package ca.uhn.fhir.jpa.api.config;

import ca.uhn.fhir.jpa.api.model.HistoryCountModeEnum;
import ca.uhn.fhir.jpa.api.model.WarmCacheEntry;
import ca.uhn.fhir.jpa.model.entity.ModelConfig;
import ca.uhn.fhir.jpa.model.entity.ResourceEncodingEnum;
import ca.uhn.fhir.rest.api.SearchTotalModeEnum;
import ca.uhn.fhir.util.HapiExtensions;
import ca.uhn.fhir.validation.FhirValidator;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.Sets;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.Validate;
import org.apache.commons.lang3.time.DateUtils;
import org.hl7.fhir.dstu2.model.Subscription;
import org.hl7.fhir.r4.model.Bundle;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;

/*
 * #%L
 * HAPI FHIR Storage api
 * %%
 * Copyright (C) 2014 - 2022 Smile CDR, Inc.
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

public class DaoConfig {

        /**
         * Default value for {@link #setReuseCachedSearchResultsForMillis(Long)}: 60000ms (one minute)
         */
        public static final Long DEFAULT_REUSE_CACHED_SEARCH_RESULTS_FOR_MILLIS = DateUtils.MILLIS_PER_MINUTE;
        /**
         * See {@link #setStatusBasedReindexingDisabled(boolean)}
         */
        public static final String DISABLE_STATUS_BASED_REINDEX = "disable_status_based_reindex";
        /**
         * Default value for {@link #setTranslationCachesExpireAfterWriteInMinutes(Long)}: 60 minutes
         *
         * @see #setTranslationCachesExpireAfterWriteInMinutes(Long)
         */
        public static final Long DEFAULT_TRANSLATION_CACHES_EXPIRE_AFTER_WRITE_IN_MINUTES = 60L;
        /**
         * Default {@link #setBundleTypesAllowedForStorage(Set)} value:
         * <ul>
         * <li>collection</li>
         * <li>document</li>
         * <li>message</li>
         * </ul>
         */
        @SuppressWarnings("WeakerAccess")
        public static final Set<String> DEFAULT_BUNDLE_TYPES_ALLOWED_FOR_STORAGE = Collections.unmodifiableSet(new TreeSet<>(Sets.newHashSet(
                Bundle.BundleType.COLLECTION.toCode(),
                Bundle.BundleType.DOCUMENT.toCode(),
                Bundle.BundleType.MESSAGE.toCode()
        )));
        // update setter javadoc if default changes
        public static final int DEFAULT_MAX_EXPANSION_SIZE = 1000;
        public static final HistoryCountModeEnum DEFAULT_HISTORY_COUNT_MODE = HistoryCountModeEnum.CACHED_ONLY_WITHOUT_OFFSET;
        /**
         * This constant applies to task enablement, e.g. {@link #setEnableTaskStaleSearchCleanup(boolean)}.
         * <p>
         * By default, all are enabled.
         */
        public static final boolean DEFAULT_ENABLE_TASKS = true;
        public static final int DEFAULT_MAXIMUM_INCLUDES_TO_LOAD_PER_PAGE = 1000;
        /**
         * @since 5.5.0
         */
        public static final TagStorageModeEnum DEFAULT_TAG_STORAGE_MODE = TagStorageModeEnum.VERSIONED;
        public static final int DEFAULT_EXPUNGE_BATCH_SIZE = 800;
        /**
         * @since 5.6.0
         */
        // Thread Pool size used by batch in bundle
        public static final int DEFAULT_BUNDLE_BATCH_POOL_SIZE = 20; // 1 for single thread
        public static final int DEFAULT_BUNDLE_BATCH_MAX_POOL_SIZE = 100; // 1 for single thread
        public static final int DEFAULT_BUNDLE_BATCH_QUEUE_CAPACITY = 200;
        /**
         * Default value for {@link #setMaximumSearchResultCountInTransaction(Integer)}
         *
         * @see #setMaximumSearchResultCountInTransaction(Integer)
         */
        private static final Integer DEFAULT_MAXIMUM_SEARCH_RESULT_COUNT_IN_TRANSACTION = null;
        private static final Integer DEFAULT_MAXIMUM_TRANSACTION_BUNDLE_SIZE = null;
        private static final Logger ourLog = LoggerFactory.getLogger(DaoConfig.class);
        private static final int DEFAULT_REINDEX_BATCH_SIZE = 800;
        private static final int DEFAULT_MAXIMUM_DELETE_CONFLICT_COUNT = 60;
        /**
         * Child Configurations
         */
        private static final Integer DEFAULT_INTERNAL_SYNCHRONOUS_SEARCH_SIZE = 10000;
        private final ModelConfig myModelConfig = new ModelConfig();
        /**
         * Do not change default of {@code 0}!
         *
         * @since 4.1.0
         */
        private final int myPreExpandValueSetsDefaultOffset = 0;
        /**
         * update setter javadoc if default changes
         */
        @Nonnull
        private final Long myTranslationCachesExpireAfterWriteInMinutes = DEFAULT_TRANSLATION_CACHES_EXPIRE_AFTER_WRITE_IN_MINUTES;
        /**
         * @since 5.5.0
         */
        @Nullable
        private Integer myMaximumIncludesToLoadPerPage = DEFAULT_MAXIMUM_INCLUDES_TO_LOAD_PER_PAGE;
        private IndexEnabledEnum myIndexMissingFieldsEnabled = IndexEnabledEnum.DISABLED;
        /**
         * update setter javadoc if default changes
         */
        private boolean myAllowInlineMatchUrlReferences = true;
        private boolean myAllowMultipleDelete;
        /**
         * update setter javadoc if default changes
         */
        private int myDeferIndexingForCodesystemsOfSize = 100;
        private boolean myDeleteStaleSearches = true;
        private boolean myEnforceReferentialIntegrityOnDelete = true;
        private boolean myUniqueIndexesEnabled = true;
        private boolean myUniqueIndexesCheckedBeforeSave = true;
        private boolean myEnforceReferentialIntegrityOnWrite = true;
        private SearchTotalModeEnum myDefaultTotalMode = null;
        private int myEverythingIncludesFetchPageSize = 50;
        private int myBulkImportMaxRetryCount = 10;
        private TagStorageModeEnum myTagStorageMode = DEFAULT_TAG_STORAGE_MODE;
        /**
         * update setter javadoc if default changes
         */
        private long myExpireSearchResultsAfterMillis = DateUtils.MILLIS_PER_HOUR;
        /**
         * update setter javadoc if default changes
         */
        private Integer myFetchSizeDefaultMaximum = null;
        private int myMaximumExpansionSize = DEFAULT_MAX_EXPANSION_SIZE;
        private Integer myMaximumSearchResultCountInTransaction = DEFAULT_MAXIMUM_SEARCH_RESULT_COUNT_IN_TRANSACTION;
        private Integer myMaximumTransactionBundleSize = DEFAULT_MAXIMUM_TRANSACTION_BUNDLE_SIZE;
        private ResourceEncodingEnum myResourceEncoding = ResourceEncodingEnum.JSONC;
        /**
         * update setter javadoc if default changes
         */
        private Integer myResourceMetaCountHardLimit = 1000;
        private Long myReuseCachedSearchResultsForMillis = DEFAULT_REUSE_CACHED_SEARCH_RESULTS_FOR_MILLIS;
        private boolean mySchedulingDisabled;
        private boolean mySuppressUpdatesWithNoChange = true;
        private boolean myAutoCreatePlaceholderReferenceTargets;
        private Integer myCacheControlNoStoreMaxResultsUpperLimit = 1000;
        private Integer myCountSearchResultsUpTo = null;
        private boolean myStatusBasedReindexingDisabled;
        private IdStrategyEnum myResourceServerIdStrategy = IdStrategyEnum.SEQUENTIAL_NUMERIC;
        private boolean myMarkResourcesForReindexingUponSearchParameterChange;
        private boolean myExpungeEnabled;
        private boolean myDeleteExpungeEnabled;
        private int myExpungeBatchSize = DEFAULT_EXPUNGE_BATCH_SIZE;
        private int myReindexBatchSize = DEFAULT_REINDEX_BATCH_SIZE;
        private int myReindexThreadCount;
        private int myExpungeThreadCount;
        private Set<String> myBundleTypesAllowedForStorage;
        private boolean myValidateSearchParameterExpressionsOnSave = true;
        private List<Integer> mySearchPreFetchThresholds = Arrays.asList(500, 2000, -1);
        private List<WarmCacheEntry> myWarmCacheEntries = new ArrayList<>();
        private boolean myDisableHashBasedSearches;
        private boolean myEnableInMemorySubscriptionMatching = true;
        private boolean myEnforceReferenceTargetTypes = true;
        private ClientIdStrategyEnum myResourceClientIdStrategy = ClientIdStrategyEnum.ALPHANUMERIC;
        private boolean myFilterParameterEnabled = false;
        private StoreMetaSourceInformationEnum myStoreMetaSourceInformation = StoreMetaSourceInformationEnum.SOURCE_URI_AND_REQUEST_ID;
        private HistoryCountModeEnum myHistoryCountMode = DEFAULT_HISTORY_COUNT_MODE;
        private int myInternalSynchronousSearchSize = DEFAULT_INTERNAL_SYNCHRONOUS_SEARCH_SIZE;
        /**
         * update setter javadoc if default changes
         */
        private Integer myMaximumDeleteConflictQueryCount = DEFAULT_MAXIMUM_DELETE_CONFLICT_COUNT;
        /**
         * Do not change default of {@code true}!
         *
         * @since 4.1.0
         */
        private boolean myPreExpandValueSets = true;
        /**
         * Do not change default of {@code 1000}!
         *
         * @since 4.1.0
         */
        private int myPreExpandValueSetsDefaultCount = 1000;
        /**
         * Do not change default of {@code 1000}!
         *
         * @since 4.1.0
         */
        private int myPreExpandValueSetsMaxCount = 1000;
        /**
         * Do not change default of {@code true}!
         *
         * @since 4.2.0
         */
        private boolean myPopulateIdentifierInAutoCreatedPlaceholderReferenceTargets = true;
        /**
         * @since 5.0.0
         */
        private boolean myDeleteEnabled = true;
        /**
         * @since 5.1.0
         */
        private boolean myLastNEnabled = false;
        /**
         * @since 5.2.0
         */
        private boolean myUseLegacySearchBuilder = false;
        /**
         * @since 5.5.0
         */
        private boolean myReindexEnabled = true;
        /**
         * @since 5.4.0
         */
        private boolean myMatchUrlCacheEnabled;
        /**
         * @since 5.5.0
         */
        private boolean myEnableTaskBulkImportJobExecution;
        /**
         * @since 5.5.0
         */
        private boolean myEnableTaskStaleSearchCleanup;
        /**
         * @since 5.5.0
         */
        private boolean myEnableTaskPreExpandValueSets;
        /**
         * @since 5.5.0
         */
        private boolean myEnableTaskResourceReindexing;
        /**
         * @since 5.5.0
         */
        private boolean myEnableTaskBulkExportJobExecution;
        private boolean myMassIngestionMode;
        private boolean myAccountForDateIndexNulls;
        private boolean myTriggerSubscriptionsForNonVersioningChanges;
        /**
         * @since 5.6.0
         */
        private String myElasicSearchIndexPrefix;
        private Integer myBundleBatchPoolSize = DEFAULT_BUNDLE_BATCH_POOL_SIZE;
        private Integer myBundleBatchMaxPoolSize = DEFAULT_BUNDLE_BATCH_MAX_POOL_SIZE;

        /**
         * Activates the new Lucene/Elasticsearch indexing of search parameters.
         * When active, string, token, and reference parameters will be indexed and
         * queried within Hibernate Search.
         *
         * @since 5.6.0
         * TODO mb test more with this true
         */
        private boolean myAdvancedLuceneIndexing = false;
        /**
         * If set to a positive number, any resources with a character length at or below the given number
         * of characters will be stored inline in the <code>HFJ_RES_VER</code> table instead of using a
         * separate LOB column.
         *
         * @since 5.7.0
         */
        private int myInlineResourceTextBelowSize = 0;

        /**
         * @since 5.7.0
         */
        private boolean myStoreResourceInLuceneIndex;

        /**
         * @see FhirValidator#isConcurrentBundleValidation()
         * @since 5.7.0
         */
        private boolean myConcurrentBundleValidation;

        /**
         * Constructor
         */
        public DaoConfig() {
                setMarkResourcesForReindexingUponSearchParameterChange(true);
                setReindexThreadCount(Runtime.getRuntime().availableProcessors());
                setExpungeThreadCount(Runtime.getRuntime().availableProcessors());
                setBundleTypesAllowedForStorage(DEFAULT_BUNDLE_TYPES_ALLOWED_FOR_STORAGE);

                // Scheduled tasks are all enabled by default
                setEnableTaskBulkImportJobExecution(DEFAULT_ENABLE_TASKS);
                setEnableTaskBulkExportJobExecution(DEFAULT_ENABLE_TASKS);
                setEnableTaskStaleSearchCleanup(DEFAULT_ENABLE_TASKS);
                setEnableTaskPreExpandValueSets(DEFAULT_ENABLE_TASKS);
                setEnableTaskResourceReindexing(DEFAULT_ENABLE_TASKS);

                if ("true".equalsIgnoreCase(System.getProperty(DISABLE_STATUS_BASED_REINDEX))) {
                        ourLog.info("Status based reindexing is DISABLED");
                        setStatusBasedReindexingDisabled(true);
                }
        }

        /**
         * If set to a positive number, any resources with a character length at or below the given number
         * of characters will be stored inline in the <code>HFJ_RES_VER</code> table instead of using a
         * separate LOB column.
         *
         * @since 5.7.0
         */
        public int getInlineResourceTextBelowSize() {
                return myInlineResourceTextBelowSize;
        }

        /**
         * If set to a positive number, any resources with a character length at or below the given number
         * of characters will be stored inline in the <code>HFJ_RES_VER</code> table instead of using a
         * separate LOB column.
         *
         * @since 5.7.0
         */
        public void setInlineResourceTextBelowSize(int theInlineResourceTextBelowSize) {
                myInlineResourceTextBelowSize = theInlineResourceTextBelowSize;
        }

        /**
         * Sets the tag storage mode for the server. Default is {@link TagStorageModeEnum#VERSIONED}.
         *
         * @since 5.5.0
         */
        @Nonnull
        public TagStorageModeEnum getTagStorageMode() {
                return myTagStorageMode;
        }

        /**
         * Sets the tag storage mode for the server. Default is {@link TagStorageModeEnum#VERSIONED}.
         *
         * @since 5.5.0
         */
        public void setTagStorageMode(@Nonnull TagStorageModeEnum theTagStorageMode) {
                Validate.notNull(theTagStorageMode, "theTagStorageMode must not be null");
                myTagStorageMode = theTagStorageMode;
        }

        /**
         * Specifies the maximum number of times that a chunk will be retried during bulk import
         * processes before giving up.
         *
         * @since 5.5.0
         */
        public int getBulkImportMaxRetryCount() {
                return myBulkImportMaxRetryCount;
        }

        /**
         * Specifies the maximum number of times that a chunk will be retried during bulk import
         * processes before giving up.
         *
         * @since 5.5.0
         */
        public void setBulkImportMaxRetryCount(int theBulkImportMaxRetryCount) {
                myBulkImportMaxRetryCount = theBulkImportMaxRetryCount;
        }

        /**
         * Specifies the maximum number of <code>_include</code> and <code>_revinclude</code> results to return in a
         * single page of results. The default is <code>1000</code>, and <code>null</code> may be used
         * to indicate that there is no limit.
         *
         * @since 5.5.0
         */
        @Nullable
        public Integer getMaximumIncludesToLoadPerPage() {
                return myMaximumIncludesToLoadPerPage;
        }

        /**
         * Specifies the maximum number of <code>_include</code> and <code>_revinclude</code> results to return in a
         * single page of results. The default is <code>1000</code>, and <code>null</code> may be used
         * to indicate that there is no limit.
         *
         * @since 5.5.0
         */
        public void setMaximumIncludesToLoadPerPage(@Nullable Integer theMaximumIncludesToLoadPerPage) {
                myMaximumIncludesToLoadPerPage = theMaximumIncludesToLoadPerPage;
        }

        /**
         * When performing a FHIR history operation, a <code>Bundle.total</code> value is included in the
         * response, indicating the total number of history entries. This response is calculated using a
         * SQL COUNT query statement which can be expensive. This setting allows the results of the count
         * query to be cached, resulting in a much lighter load on the server, at the expense of
         * returning total values that may be slightly out of date. Total counts can also be disabled,
         * or forced to always be accurate.
         * <p>
         * In {@link HistoryCountModeEnum#CACHED_ONLY_WITHOUT_OFFSET} mode, a loading cache is used to fetch the value,
         * meaning that only one thread per JVM will fetch the count, and others will block while waiting
         * for the cache to load, avoiding excessive load on the database.
         * </p>
         * <p>
         * Default is {@link HistoryCountModeEnum#CACHED_ONLY_WITHOUT_OFFSET}
         * </p>
         *
         * @since 5.4.0
         */
        public HistoryCountModeEnum getHistoryCountMode() {
                return myHistoryCountMode;
        }

        /**
         * When performing a FHIR history operation, a <code>Bundle.total</code> value is included in the
         * response, indicating the total number of history entries. This response is calculated using a
         * SQL COUNT query statement which can be expensive. This setting allows the results of the count
         * query to be cached, resulting in a much lighter load on the server, at the expense of
         * returning total values that may be slightly out of date. Total counts can also be disabled,
         * or forced to always be accurate.
         * <p>
         * In {@link HistoryCountModeEnum#CACHED_ONLY_WITHOUT_OFFSET} mode, a loading cache is used to fetch the value,
         * meaning that only one thread per JVM will fetch the count, and others will block while waiting
         * for the cache to load, avoiding excessive load on the database.
         * </p>
         * <p>
         * Default is {@link HistoryCountModeEnum#CACHED_ONLY_WITHOUT_OFFSET}
         * </p>
         *
         * @since 5.4.0
         */
        public void setHistoryCountMode(@Nonnull HistoryCountModeEnum theHistoryCountMode) {

                Validate.notNull(theHistoryCountMode, "theHistoryCountMode must not be null");
                myHistoryCountMode = theHistoryCountMode;
        }

        /**
         * If set to <code>true</code> (default is <code>false</code>) the <code>$lastn</code> operation will be enabled for
         * indexing Observation resources. This operation involves creating a special set of tables in ElasticSearch for
         * discovering Observation resources. Enabling this setting increases the amount of storage space required, and can
         * slow write operations, but can be very useful for searching for collections of Observations for some applications.
         *
         * @since 5.1.0
         */
        public boolean isLastNEnabled() {
                return myLastNEnabled;
        }

        /**
         * If set to <code>true</code> (default is <code>false</code>) the <code>$lastn</code> operation will be enabled for
         * indexing Observation resources. This operation involves creating a special set of tables in ElasticSearch for
         * discovering Observation resources. Enabling this setting increases the amount of storage space required, and can
         * slow write operations, but can be very useful for searching for collections of Observations for some applications.
         *
         * @since 5.1.0
         */
        public void setLastNEnabled(boolean theLastNEnabled) {
                myLastNEnabled = theLastNEnabled;
        }

        /**
         * This method controls whether to use the new non-hibernate search SQL builder that was introduced in HAPI FHIR 5.2.0.
         * By default this will be <code>false</code> meaning that the new SQL builder is used. Set to <code>true</code> to use the
         * legacy SQL builder based on Hibernate.
         * <p>Note that this method will be removed in HAPI FHIR 5.4.0</p>
         *
         * @since 5.3.0
         */
        public boolean isUseLegacySearchBuilder() {
                return myUseLegacySearchBuilder;
        }

        /**
         * This method controls whether to use the new non-hibernate search SQL builder that was introduced in HAPI FHIR 5.2.0.
         * By default this will be <code>false</code> meaning that the new SQL builder is used. Set to <code>true</code> to use the
         * legacy SQL builder based on Hibernate.
         * <p>Note that this method will be removed in HAPI FHIR 5.4.0</p>
         *
         * @since 5.3.0
         */
        public void setUseLegacySearchBuilder(boolean theUseLegacySearchBuilder) {
                myUseLegacySearchBuilder = theUseLegacySearchBuilder;
        }

        /**
         * Specifies the duration in minutes for which values will be retained after being
         * written to the terminology translation cache. Defaults to 60.
         */
        @Nonnull
        public Long getTranslationCachesExpireAfterWriteInMinutes() {
                return myTranslationCachesExpireAfterWriteInMinutes;
        }

        /**
         * If enabled, resolutions for match URLs (e.g. conditional create URLs, conditional update URLs, etc) will be
         * cached in an in-memory cache. This cache can have a noticeable improvement on write performance on servers
         * where conditional operations are frequently performed, but note that this cache will not be
         * invalidated based on updates to resources so this may have detrimental effects.
         * <p>
         * Default is <code>false</code>
         *
         * @since 5.4.0
         * @deprecated Deprecated in 5.5.0. Use {@link #isMatchUrlCacheEnabled()} instead (the name of this method is misleading)
         */
        @Deprecated
        public boolean getMatchUrlCache() {
                return myMatchUrlCacheEnabled;
        }

        /**
         * If enabled, resolutions for match URLs (e.g. conditional create URLs, conditional update URLs, etc) will be
         * cached in an in-memory cache. This cache can have a noticeable improvement on write performance on servers
         * where conditional operations are frequently performed, but note that this cache will not be
         * invalidated based on updates to resources so this may have detrimental effects.
         * <p>
         * Default is <code>false</code>
         *
         * @since 5.4.0
         * @deprecated Deprecated in 5.5.0. Use {@link #setMatchUrlCacheEnabled(boolean)} instead (the name of this method is misleading)
         */
        @Deprecated
        public void setMatchUrlCache(boolean theMatchUrlCache) {
                myMatchUrlCacheEnabled = theMatchUrlCache;
        }

        /**
         * If enabled, resolutions for match URLs (e.g. conditional create URLs, conditional update URLs, etc) will be
         * cached in an in-memory cache. This cache can have a noticeable improvement on write performance on servers
         * where conditional operations are frequently performed, but note that this cache will not be
         * invalidated based on updates to resources so this may have detrimental effects.
         * <p>
         * Default is <code>false</code>
         *
         * @since 5.5.0
         */
        public boolean isMatchUrlCacheEnabled() {
                return getMatchUrlCache();
        }

        /**
         * If enabled, resolutions for match URLs (e.g. conditional create URLs, conditional update URLs, etc) will be
         * cached in an in-memory cache. This cache can have a noticeable improvement on write performance on servers
         * where conditional operations are frequently performed, but note that this cache will not be
         * invalidated based on updates to resources so this may have detrimental effects.
         * <p>
         * Default is <code>false</code>
         *
         * @since 5.5.0
         */
        public void setMatchUrlCacheEnabled(boolean theMatchUrlCache) {
                setMatchUrlCache(theMatchUrlCache);
        }

        /**
         * If set to <code>true</code> (default is true) when a resource is being persisted,
         * the target resource types of references will be validated to ensure that they
         * are appropriate for the field containing the reference. This is generally a good idea
         * because invalid reference target types may not be searchable.
         */
        public boolean isEnforceReferenceTargetTypes() {
                return myEnforceReferenceTargetTypes;
        }

        /**
         * If set to <code>true</code> (default is true) when a resource is being persisted,
         * the target resource types of references will be validated to ensure that they
         * are appropriate for the field containing the reference. This is generally a good idea
         * because invalid reference target types may not be searchable.
         */
        public void setEnforceReferenceTargetTypes(boolean theEnforceReferenceTargetTypes) {
                myEnforceReferenceTargetTypes = theEnforceReferenceTargetTypes;
        }

        /**
         * If a non-null value is supplied (default is <code>null</code>), a default
         * for the <code>_total</code> parameter may be specified here. For example,
         * setting this value to {@link SearchTotalModeEnum#ACCURATE} will force a
         * count to always be calculated for all searches. This can have a performance impact
         * since it means that a count query will always be performed, but this is desirable
         * for some solutions.
         */
        public SearchTotalModeEnum getDefaultTotalMode() {
                return myDefaultTotalMode;
        }

        /**
         * If a non-null value is supplied (default is <code>null</code>), a default
         * for the <code>_total</code> parameter may be specified here. For example,
         * setting this value to {@link SearchTotalModeEnum#ACCURATE} will force a
         * count to always be calculated for all searches. This can have a performance impact
         * since it means that a count query will always be performed, but this is desirable
         * for some solutions.
         */
        public void setDefaultTotalMode(SearchTotalModeEnum theDefaultTotalMode) {
                myDefaultTotalMode = theDefaultTotalMode;
        }

        /**
         * Returns a set of searches that should be kept "warm", meaning that
         * searches will periodically be performed in the background to
         * keep results ready for this search
         */
        public List<WarmCacheEntry> getWarmCacheEntries() {
                if (myWarmCacheEntries == null) {
                        myWarmCacheEntries = new ArrayList<>();
                }
                return myWarmCacheEntries;
        }

        public void setWarmCacheEntries(List<WarmCacheEntry> theWarmCacheEntries) {
                myWarmCacheEntries = theWarmCacheEntries;
        }

        /**
         * If set to <code>true</code> (default is false), the reindexing of search parameters
         * using a query on the HFJ_RESOURCE.SP_INDEX_STATUS column will be disabled completely.
         * This query is just not efficient on Oracle and bogs the system down when there are
         * a lot of resources. A more efficient way of doing this will be introduced
         * in the next release of HAPI FHIR.
         *
         * @since 3.5.0
         */
        public boolean isStatusBasedReindexingDisabled() {
                return myStatusBasedReindexingDisabled;
        }

        /**
         * If set to <code>true</code> (default is false), the reindexing of search parameters
         * using a query on the HFJ_RESOURCE.SP_INDEX_STATUS column will be disabled completely.
         * This query is just not efficient on Oracle and bogs the system down when there are
         * a lot of resources. A more efficient way of doing this will be introduced
         * in the next release of HAPI FHIR.
         *
         * @since 3.5.0
         */
        public void setStatusBasedReindexingDisabled(boolean theStatusBasedReindexingDisabled) {
                myStatusBasedReindexingDisabled = theStatusBasedReindexingDisabled;
        }

        /**
         * Add a value to the {@link #setTreatReferencesAsLogical(Set) logical references list}.
         *
         * @see #setTreatReferencesAsLogical(Set)
         */
        public void addTreatReferencesAsLogical(String theTreatReferencesAsLogical) {
                myModelConfig.addTreatReferencesAsLogical(theTreatReferencesAsLogical);
        }

        /**
         * This setting specifies the bundle types (<code>Bundle.type</code>) that
         * are allowed to be stored as-is on the /Bundle endpoint.
         *
         * @see #DEFAULT_BUNDLE_TYPES_ALLOWED_FOR_STORAGE
         */
        public Set<String> getBundleTypesAllowedForStorage() {
                return myBundleTypesAllowedForStorage;
        }

        /**
         * This setting specifies the bundle types (<code>Bundle.type</code>) that
         * are allowed to be stored as-is on the /Bundle endpoint.
         *
         * @see #DEFAULT_BUNDLE_TYPES_ALLOWED_FOR_STORAGE
         */
        public void setBundleTypesAllowedForStorage(Set<String> theBundleTypesAllowedForStorage) {
                Validate.notNull(theBundleTypesAllowedForStorage, "theBundleTypesAllowedForStorage must not be null");
                myBundleTypesAllowedForStorage = theBundleTypesAllowedForStorage;
        }

        /**
         * Specifies the highest number that a client is permitted to use in a
         * <code>Cache-Control: nostore, max-results=NNN</code>
         * directive. If the client tries to exceed this limit, the
         * request will be denied. Defaults to 1000.
         */
        public Integer getCacheControlNoStoreMaxResultsUpperLimit() {
                return myCacheControlNoStoreMaxResultsUpperLimit;
        }

        /**
         * Specifies the highest number that a client is permitted to use in a
         * <code>Cache-Control: nostore, max-results=NNN</code>
         * directive. If the client tries to exceed this limit, the
         * request will be denied. Defaults to 1000.
         */
        public void setCacheControlNoStoreMaxResultsUpperLimit(Integer theCacheControlNoStoreMaxResults) {
                myCacheControlNoStoreMaxResultsUpperLimit = theCacheControlNoStoreMaxResults;
        }

        /**
         * When searching, if set to a non-null value (default is <code>null</code>) the
         * search coordinator will attempt to find at least this many results
         * before returning a response to the client. This parameter mainly affects
         * whether a "total count" is included in the response bundle for searches that
         * return large amounts of data.
         * <p>
         * For a search that returns 10000 results, if this value is set to
         * 10000 the search coordinator will find all 10000 results
         * prior to returning, so the initial response bundle will have the
         * total set to 10000. If this value is null (or less than 10000)
         * the response bundle will likely return slightly faster, but will
         * not include the total. Subsequent page requests will likely
         * include the total however, if they are performed after the
         * search coordinator has found all results.
         * </p>
         * <p>
         * Set this value to <code>0</code> to always load all
         * results before returning.
         * </p>
         */
        public Integer getCountSearchResultsUpTo() {
                return myCountSearchResultsUpTo;
        }

        /**
         * When searching, if set to a non-null value (default is <code>null</code>) the
         * search coordinator will attempt to find at least this many results
         * before returning a response to the client. This parameter mainly affects
         * whether a "total count" is included in the response bundle for searches that
         * return large amounts of data.
         * <p>
         * For a search that returns 10000 results, if this value is set to
         * 10000 the search coordinator will find all 10000 results
         * prior to returning, so the initial response bundle will have the
         * total set to 10000. If this value is null (or less than 10000)
         * the response bundle will likely return slightly faster, but will
         * not include the total. Subsequent page requests will likely
         * include the total however, if they are performed after the
         * search coordinator has found all results.
         * </p>
         * <p>
         * Set this value to <code>0</code> to always load all
         * results before returning.
         * </p>
         */
        public void setCountSearchResultsUpTo(Integer theCountSearchResultsUpTo) {
                myCountSearchResultsUpTo = theCountSearchResultsUpTo;
        }

        /**
         * When a code system is added that contains more than this number of codes,
         * the code system will be indexed later in an incremental process in order to
         * avoid overwhelming Lucene with a huge number of codes in a single operation.
         * <p>
         * Defaults to 100
         * </p>
         */
        public int getDeferIndexingForCodesystemsOfSize() {
                return myDeferIndexingForCodesystemsOfSize;
        }

        /**
         * When a code system is added that contains more than this number of codes,
         * the code system will be indexed later in an incremental process in order to
         * avoid overwhelming Lucene with a huge number of codes in a single operation.
         * <p>
         * Defaults to 100
         * </p>
         */
        public void setDeferIndexingForCodesystemsOfSize(int theDeferIndexingForCodesystemsOfSize) {
                myDeferIndexingForCodesystemsOfSize = theDeferIndexingForCodesystemsOfSize;
        }

        /**
         * Unlike with normal search queries, $everything queries have their _includes loaded by the main search thread and these included results
         * are added to the normal search results instead of being added on as extras in a page. This means that they will not appear multiple times
         * as the search results are paged over.
         * <p>
         * In order to recursively load _includes, we process the original results in batches of this size. Adjust with caution, increasing this
         * value may improve performance but may also cause memory issues.
         * </p>
         * <p>
         * The default value is 50
         * </p>
         */
        public int getEverythingIncludesFetchPageSize() {
                return myEverythingIncludesFetchPageSize;
        }

        /**
         * Unlike with normal search queries, $everything queries have their _includes loaded by the main search thread and these included results
         * are added to the normal search results instead of being added on as extras in a page. This means that they will not appear multiple times
         * as the search results are paged over.
         * <p>
         * In order to recursively load _includes, we process the original results in batches of this size. Adjust with caution, increasing this
         * value may improve performance but may also cause memory issues.
         * </p>
         * <p>
         * The default value is 50
         * </p>
         */
        public void setEverythingIncludesFetchPageSize(int theEverythingIncludesFetchPageSize) {
                Validate.inclusiveBetween(1, Integer.MAX_VALUE, theEverythingIncludesFetchPageSize);
                myEverythingIncludesFetchPageSize = theEverythingIncludesFetchPageSize;
        }

        /**
         * Sets the number of milliseconds that search results for a given client search
         * should be preserved before being purged from the database.
         * <p>
         * Search results are stored in the database so that they can be paged over multiple
         * requests. After this
         * number of milliseconds, they will be deleted from the database, and any paging links
         * (next/prev links in search response bundles) will become invalid. Defaults to 1 hour.
         * </p>
         * <p>
         * To disable this feature entirely, see {@link #setExpireSearchResults(boolean)}
         * </p>
         *
         * @since 1.5
         */
        public long getExpireSearchResultsAfterMillis() {
                return myExpireSearchResultsAfterMillis;
        }

        /**
         * Sets the number of milliseconds that search results for a given client search
         * should be preserved before being purged from the database.
         * <p>
         * Search results are stored in the database so that they can be paged over multiple
         * requests. After this
         * number of milliseconds, they will be deleted from the database, and any paging links
         * (next/prev links in search response bundles) will become invalid. Defaults to 1 hour.
         * </p>
         * <p>
         * To disable this feature entirely, see {@link #setExpireSearchResults(boolean)}
         * </p>
         *
         * @since 1.5
         */
        public void setExpireSearchResultsAfterMillis(long theExpireSearchResultsAfterMillis) {
                myExpireSearchResultsAfterMillis = theExpireSearchResultsAfterMillis;
        }

        /**
         * Gets the default maximum number of results to load in a query.
         * <p>
         * For example, if the database has a million Patient resources in it, and
         * the client requests <code>GET /Patient</code>, if this value is set
         * to a non-null value (default is <code>null</code>) only this number
         * of results will be fetched. Setting this value appropriately
         * can be useful to improve performance in some situations.
         * </p>
         */
        public Integer getFetchSizeDefaultMaximum() {
                return myFetchSizeDefaultMaximum;
        }

        /**
         * Gets the default maximum number of results to load in a query.
         * <p>
         * For example, if the database has a million Patient resources in it, and
         * the client requests <code>GET /Patient</code>, if this value is set
         * to a non-null value (default is <code>null</code>) only this number
         * of results will be fetched. Setting this value appropriately
         * can be useful to improve performance in some situations.
         * </p>
         */
        public void setFetchSizeDefaultMaximum(Integer theFetchSizeDefaultMaximum) {
                myFetchSizeDefaultMaximum = theFetchSizeDefaultMaximum;
        }

        /**
         * If set to {@link IndexEnabledEnum#DISABLED} (default is {@link IndexEnabledEnum#DISABLED})
         * the server will not create search indexes for search parameters with no values in resources.
         * <p>
         * Disabling this feature means that the <code>:missing</code> search modifier will not be
         * supported on the server, but also means that storage and indexing (i.e. writes to the
         * database) may be much faster on servers which have lots of search parameters and need
         * to write quickly.
         * </p>
         * <p>
         * This feature may be enabled on servers where supporting the use of the :missing parameter is
         * of higher importance than raw write performance
         * </p>
         */
        public IndexEnabledEnum getIndexMissingFields() {
                return myIndexMissingFieldsEnabled;
        }

        /**
         * If set to {@link IndexEnabledEnum#DISABLED} (default is {@link IndexEnabledEnum#DISABLED})
         * the server will not create search indexes for search parameters with no values in resources.
         * <p>
         * Disabling this feature means that the <code>:missing</code> search modifier will not be
         * supported on the server, but also means that storage and indexing (i.e. writes to the
         * database) may be much faster on servers which have lots of search parameters and need
         * to write quickly.
         * </p>
         * <p>
         * This feature may be enabled on servers where supporting the use of the :missing parameter is
         * of higher importance than raw write performance
         * </p>
         * <p>
         * Note that this setting also has an impact on sorting (i.e. using the
         * <code>_sort</code> parameter on searches): If the server is configured
         * to not index missing field.
         * </p>
         * <p>
         * The following index may need to be added into the indexed tables such as <code>HFJ_SPIDX_TOKEN</code>
         * to improve the search performance while <code>:missing</code> is enabled.
         * <code>RES_TYPE, SP_NAME, SP_MISSING</code>
         * </p>
         */
        public void setIndexMissingFields(IndexEnabledEnum theIndexMissingFields) {
                Validate.notNull(theIndexMissingFields, "theIndexMissingFields must not be null");
                myIndexMissingFieldsEnabled = theIndexMissingFields;
        }

        /**
         * See {@link #setMaximumExpansionSize(int)}
         */
        public int getMaximumExpansionSize() {
                return myMaximumExpansionSize;
        }

        /**
         * Sets the maximum number of codes that will be added to an in-memory valueset expansion before
         * the operation will be failed as too costly. Note that this setting applies only to
         * in-memory expansions and does not apply to expansions that are being pre-calculated.
         * <p>
         * The default value for this setting is 1000.
         * </p>
         */
        public void setMaximumExpansionSize(int theMaximumExpansionSize) {
                Validate.isTrue(theMaximumExpansionSize > 0, "theMaximumExpansionSize must be > 0");
                myMaximumExpansionSize = theMaximumExpansionSize;
        }

        /**
         * Provides the maximum number of results which may be returned by a search (HTTP GET) which
         * is executed as a sub-operation within within a FHIR <code>transaction</code> or
         * <code>batch</code> operation. For example, if this value is set to <code>100</code> and
         * a FHIR transaction is processed with a sub-request for <code>Patient?gender=male</code>,
         * the server will throw an error (and the transaction will fail) if there are more than
         * 100 resources on the server which match this query.
         * <p>
         * The default value is <code>null</code>, which means that there is no limit.
         * </p>
         */
        public Integer getMaximumSearchResultCountInTransaction() {
                return myMaximumSearchResultCountInTransaction;
        }

        /**
         * Provides the maximum number of results which may be returned by a search (HTTP GET) which
         * is executed as a sub-operation within within a FHIR <code>transaction</code> or
         * <code>batch</code> operation. For example, if this value is set to <code>100</code> and
         * a FHIR transaction is processed with a sub-request for <code>Patient?gender=male</code>,
         * the server will throw an error (and the transaction will fail) if there are more than
         * 100 resources on the server which match this query.
         * <p>
         * The default value is <code>null</code>, which means that there is no limit.
         * </p>
         */
        public void setMaximumSearchResultCountInTransaction(Integer theMaximumSearchResultCountInTransaction) {
                myMaximumSearchResultCountInTransaction = theMaximumSearchResultCountInTransaction;
        }

        /**
         * Specifies the maximum number of resources permitted within a single transaction bundle.
         * If a transaction bundle is submitted with more than this number of resources, it will be
         * rejected with a PayloadTooLarge exception.
         * <p>
         * The default value is <code>null</code>, which means that there is no limit.
         * </p>
         */
        public Integer getMaximumTransactionBundleSize() {
                return myMaximumTransactionBundleSize;
        }

        /**
         * Specifies the maximum number of resources permitted within a single transaction bundle.
         * If a transaction bundle is submitted with more than this number of resources, it will be
         * rejected with a PayloadTooLarge exception.
         * <p>
         * The default value is <code>null</code>, which means that there is no limit.
         * </p>
         */
        public DaoConfig setMaximumTransactionBundleSize(Integer theMaximumTransactionBundleSize) {
                myMaximumTransactionBundleSize = theMaximumTransactionBundleSize;
                return this;
        }

        /**
         * This setting controls the number of threads allocated to resource reindexing
         * (which is only ever used if SearchParameters change, or a manual reindex is
         * triggered due to a HAPI FHIR upgrade or some other reason).
         * <p>
         * The default value is set to the number of available processors
         * (via <code>Runtime.getRuntime().availableProcessors()</code>). Value
         * for this setting must be a positive integer.
         * </p>
         */
        public int getReindexThreadCount() {
                return myReindexThreadCount;
        }

        /**
         * This setting controls the number of threads allocated to resource reindexing
         * (which is only ever used if SearchParameters change, or a manual reindex is
         * triggered due to a HAPI FHIR upgrade or some other reason).
         * <p>
         * The default value is set to the number of available processors
         * (via <code>Runtime.getRuntime().availableProcessors()</code>). Value
         * for this setting must be a positive integer.
         * </p>
         */
        public void setReindexThreadCount(int theReindexThreadCount) {
                myReindexThreadCount = theReindexThreadCount;
                myReindexThreadCount = Math.max(myReindexThreadCount, 1); // Minimum of 1
        }

        /**
         * This setting controls the number of threads allocated to the expunge operation
         * <p>
         * The default value is set to the number of available processors
         * (via <code>Runtime.getRuntime().availableProcessors()</code>). Value
         * for this setting must be a positive integer.
         * </p>
         */
        public int getExpungeThreadCount() {
                return myExpungeThreadCount;
        }

        /**
         * This setting controls the number of threads allocated to the expunge operation
         * <p>
         * The default value is set to the number of available processors
         * (via <code>Runtime.getRuntime().availableProcessors()</code>). Value
         * for this setting must be a positive integer.
         * </p>
         */
        public void setExpungeThreadCount(int theExpungeThreadCount) {
                myExpungeThreadCount = theExpungeThreadCount;
                myExpungeThreadCount = Math.max(myExpungeThreadCount, 1); // Minimum of 1
        }

        public ResourceEncodingEnum getResourceEncoding() {
                return myResourceEncoding;
        }

        public void setResourceEncoding(ResourceEncodingEnum theResourceEncoding) {
                myResourceEncoding = theResourceEncoding;
        }

        /**
         * If set, an individual resource will not be allowed to have more than the
         * given number of tags, profiles, and security labels (the limit is for the combined
         * total for all of these things on an individual resource).
         * <p>
         * If set to <code>null</code>, no limit will be applied.
         * </p>
         * <p>
         * The default value for this setting is 1000.
         * </p>
         */
        public Integer getResourceMetaCountHardLimit() {
                return myResourceMetaCountHardLimit;
        }

        /**
         * If set, an individual resource will not be allowed to have more than the
         * given number of tags, profiles, and security labels (the limit is for the combined
         * total for all of these things on an individual resource).
         * <p>
         * If set to <code>null</code>, no limit will be applied.
         * </p>
         * <p>
         * The default value for this setting is 1000.
         * </p>
         */
        public void setResourceMetaCountHardLimit(Integer theResourceMetaCountHardLimit) {
                myResourceMetaCountHardLimit = theResourceMetaCountHardLimit;
        }

        /**
         * Controls the behaviour when a client-assigned ID is encountered, i.e. an HTTP PUT
         * on a resource ID that does not already exist in the database.
         * <p>
         * Default is {@link ClientIdStrategyEnum#ALPHANUMERIC}
         * </p>
         */
        public ClientIdStrategyEnum getResourceClientIdStrategy() {
                return myResourceClientIdStrategy;
        }

        /**
         * Controls the behaviour when a client-assigned ID is encountered, i.e. an HTTP PUT
         * on a resource ID that does not already exist in the database.
         * <p>
         * Default is {@link ClientIdStrategyEnum#ALPHANUMERIC}
         * </p>
         *
         * @param theResourceClientIdStrategy Must not be <code>null</code>
         */
        public void setResourceClientIdStrategy(ClientIdStrategyEnum theResourceClientIdStrategy) {
                Validate.notNull(theResourceClientIdStrategy, "theClientIdStrategy must not be null");
                myResourceClientIdStrategy = theResourceClientIdStrategy;
        }

        /**
         * This setting configures the strategy to use in generating IDs for newly
         * created resources on the server. The default is {@link IdStrategyEnum#SEQUENTIAL_NUMERIC}.
         * <p>
         * This strategy is only used for server-assigned IDs, i.e. for HTTP POST
         * where the client is requesing that the server store a new resource and give
         * it an ID.
         * </p>
         */
        public IdStrategyEnum getResourceServerIdStrategy() {
                return myResourceServerIdStrategy;
        }

        /**
         * This setting configures the strategy to use in generating IDs for newly
         * created resources on the server. The default is {@link IdStrategyEnum#SEQUENTIAL_NUMERIC}.
         * <p>
         * This strategy is only used for server-assigned IDs, i.e. for HTTP POST
         * where the client is requesing that the server store a new resource and give
         * it an ID.
         * </p>
         *
         * @param theResourceIdStrategy The strategy. Must not be <code>null</code>.
         */
        public void setResourceServerIdStrategy(IdStrategyEnum theResourceIdStrategy) {
                Validate.notNull(theResourceIdStrategy, "theResourceIdStrategy must not be null");
                myResourceServerIdStrategy = theResourceIdStrategy;
        }

        /**
         * If set to a non {@literal null} value (default is {@link #DEFAULT_REUSE_CACHED_SEARCH_RESULTS_FOR_MILLIS non null})
         * if an identical search is requested multiple times within this window, the same results will be returned
         * to multiple queries. For example, if this value is set to 1 minute and a client searches for all
         * patients named "smith", and then a second client also performs the same search within 1 minute,
         * the same cached results will be returned.
         * <p>
         * This approach can improve performance, especially under heavy load, but can also mean that
         * searches may potentially return slightly out-of-date results.
         * </p>
         * <p>
         * Note that if this is set to a non-null value, clients may override this setting by using
         * the <code>Cache-Control</code> header. If this is set to <code>null</code>, the Cache-Control
         * header will be ignored.
         * </p>
         */
        public Long getReuseCachedSearchResultsForMillis() {
                return myReuseCachedSearchResultsForMillis;
        }

        /**
         * If set to a non {@literal null} value (default is {@link #DEFAULT_REUSE_CACHED_SEARCH_RESULTS_FOR_MILLIS non null})
         * if an identical search is requested multiple times within this window, the same results will be returned
         * to multiple queries. For example, if this value is set to 1 minute and a client searches for all
         * patients named "smith", and then a second client also performs the same search within 1 minute,
         * the same cached results will be returned.
         * <p>
         * This approach can improve performance, especially under heavy load, but can also mean that
         * searches may potentially return slightly out-of-date results.
         * </p>
         * <p>
         * Note that if this is set to a non-null value, clients may override this setting by using
         * the <code>Cache-Control</code> header. If this is set to <code>null</code>, the Cache-Control
         * header will be ignored.
         * </p>
         */
        public void setReuseCachedSearchResultsForMillis(Long theReuseCachedSearchResultsForMillis) {
                myReuseCachedSearchResultsForMillis = theReuseCachedSearchResultsForMillis;
        }

        /**
         * This setting may be used to advise the server that any references found in
         * resources that have any of the base URLs given here will be treated as logical
         * references instead of being treated as real references.
         * <p>
         * A logical reference is a reference which is treated as an identifier, and
         * does not neccesarily resolve. See <a href="http://hl7.org/fhir/references.html">references</a> for
         * a description of logical references. For example, the valueset
         * <a href="http://hl7.org/fhir/valueset-quantity-comparator.html">valueset-quantity-comparator</a> is a logical
         * reference.
         * </p>
         * <p>
         * Values for this field may take either of the following forms:
         * </p>
         * <ul>
         * <li><code>http://example.com/some-url</code> <b>(will be matched exactly)</b></li>
         * <li><code>http://example.com/some-base*</code> <b>(will match anything beginning with the part before the *)</b></li>
         * </ul>
         *
         * @see ModelConfig#DEFAULT_LOGICAL_BASE_URLS Default values for this property
         */
        public Set<String> getTreatReferencesAsLogical() {
                return myModelConfig.getTreatReferencesAsLogical();
        }

        /**
         * This setting may be used to advise the server that any references found in
         * resources that have any of the base URLs given here will be treated as logical
         * references instead of being treated as real references.
         * <p>
         * A logical reference is a reference which is treated as an identifier, and
         * does not neccesarily resolve. See <a href="http://hl7.org/fhir/references.html">references</a> for
         * a description of logical references. For example, the valueset
         * <a href="http://hl7.org/fhir/valueset-quantity-comparator.html">valueset-quantity-comparator</a> is a logical
         * reference.
         * </p>
         * <p>
         * Values for this field may take either of the following forms:
         * </p>
         * <ul>
         * <li><code>http://example.com/some-url</code> <b>(will be matched exactly)</b></li>
         * <li><code>http://example.com/some-base*</code> <b>(will match anything beginning with the part before the *)</b></li>
         * </ul>
         *
         * @see ModelConfig#DEFAULT_LOGICAL_BASE_URLS Default values for this property
         */
        public DaoConfig setTreatReferencesAsLogical(Set<String> theTreatReferencesAsLogical) {
                myModelConfig.setTreatReferencesAsLogical(theTreatReferencesAsLogical);
                return this;
        }

        /**
         * If set to <code>true</code> (default is <code>false</code>) the server will allow
         * resources to have references to external servers. For example if this server is
         * running at <code>http://example.com/fhir</code> and this setting is set to
         * <code>true</code> the server will allow a Patient resource to be saved with a
         * Patient.organization value of <code>http://foo.com/Organization/1</code>.
         * <p>
         * Under the default behaviour if this value has not been changed, the above
         * resource would be rejected by the server because it requires all references
         * to be resolvable on the local server.
         * </p>
         * <p>
         * Note that external references will be indexed by the server and may be searched
         * (e.g. <code>Patient:organization</code>), but
         * chained searches (e.g. <code>Patient:organization.name</code>) will not work across
         * these references.
         * </p>
         * <p>
         * It is recommended to also set {@link #setTreatBaseUrlsAsLocal(Set)} if this value
         * is set to <code>true</code>
         * </p>
         *
         * @see #setTreatBaseUrlsAsLocal(Set)
         * @see #setAllowExternalReferences(boolean)
         */
        public boolean isAllowExternalReferences() {
                return myModelConfig.isAllowExternalReferences();
        }

        /**
         * If set to <code>true</code> (default is <code>false</code>) the server will allow
         * resources to have references to external servers. For example if this server is
         * running at <code>http://example.com/fhir</code> and this setting is set to
         * <code>true</code> the server will allow a Patient resource to be saved with a
         * Patient.organization value of <code>http://foo.com/Organization/1</code>.
         * <p>
         * Under the default behaviour if this value has not been changed, the above
         * resource would be rejected by the server because it requires all references
         * to be resolvable on the local server.
         * </p>
         * <p>
         * Note that external references will be indexed by the server and may be searched
         * (e.g. <code>Patient:organization</code>), but
         * chained searches (e.g. <code>Patient:organization.name</code>) will not work across
         * these references.
         * </p>
         * <p>
         * It is recommended to also set {@link #setTreatBaseUrlsAsLocal(Set)} if this value
         * is set to <code>true</code>
         * </p>
         *
         * @see #setTreatBaseUrlsAsLocal(Set)
         * @see #setAllowExternalReferences(boolean)
         */
        public void setAllowExternalReferences(boolean theAllowExternalReferences) {
                myModelConfig.setAllowExternalReferences(theAllowExternalReferences);
        }

        /**
         * @see #setAllowInlineMatchUrlReferences(boolean)
         */
        public boolean isAllowInlineMatchUrlReferences() {
                return myAllowInlineMatchUrlReferences;
        }

        /**
         * Should references containing match URLs be resolved and replaced in create and update operations. For
         * example, if this property is set to true and a resource is created containing a reference
         * to "Patient?identifier=12345", this is reference match URL will be resolved and replaced according
         * to the usual match URL rules.
         * <p>
         * Default is {@literal true} beginning in HAPI FHIR 2.4, since this
         * feature is now specified in the FHIR specification. (Previously it
         * was an experimental/proposed feature)
         * </p>
         *
         * @since 1.5
         */
        public void setAllowInlineMatchUrlReferences(boolean theAllowInlineMatchUrlReferences) {
                myAllowInlineMatchUrlReferences = theAllowInlineMatchUrlReferences;
        }

        public boolean isAllowMultipleDelete() {
                return myAllowMultipleDelete;
        }

        public void setAllowMultipleDelete(boolean theAllowMultipleDelete) {
                myAllowMultipleDelete = theAllowMultipleDelete;
        }

        /**
         * When creating or updating a resource: If this property is set to <code>true</code>
         * (default is <code>false</code>), if the resource has a reference to another resource
         * on the local server but that reference does not exist, a placeholder resource will be
         * created.
         * <p>
         * In other words, if an observation with subject <code>Patient/FOO</code> is created, but
         * there is no resource called <code>Patient/FOO</code> on the server, this property causes
         * an empty patient with ID "FOO" to be created in order to prevent this operation
         * from failing.
         * </p>
         * <p>
         * This property can be useful in cases where replication between two servers is wanted.
         * Note however that references containing purely numeric IDs will not be auto-created
         * as they are never allowed to be client supplied in HAPI FHIR JPA.
         * <p>
         * All placeholder resources created in this way have an extension
         * with the URL {@link HapiExtensions#EXT_RESOURCE_PLACEHOLDER} and the value "true".
         * </p>
         */
        public boolean isAutoCreatePlaceholderReferenceTargets() {
                return myAutoCreatePlaceholderReferenceTargets;
        }

        /**
         * When creating or updating a resource: If this property is set to <code>true</code>
         * (default is <code>false</code>), if the resource has a reference to another resource
         * on the local server but that reference does not exist, a placeholder resource will be
         * created.
         * <p>
         * In other words, if an observation with subject <code>Patient/FOO</code> is created, but
         * there is no resource called <code>Patient/FOO</code> on the server, this property causes
         * an empty patient with ID "FOO" to be created in order to prevent this operation
         * from failing.
         * </p>
         * <p>
         * This property can be useful in cases where replication between two servers is wanted.
         * Note however that references containing purely numeric IDs will not be auto-created
         * as they are never allowed to be client supplied in HAPI FHIR JPA.
         * <p>
         * All placeholder resources created in this way have an extension
         * with the URL {@link HapiExtensions#EXT_RESOURCE_PLACEHOLDER} and the value "true".
         * </p>
         */
        public void setAutoCreatePlaceholderReferenceTargets(boolean theAutoCreatePlaceholderReferenceTargets) {
                myAutoCreatePlaceholderReferenceTargets = theAutoCreatePlaceholderReferenceTargets;
        }

        /**
         * When {@link #setAutoCreatePlaceholderReferenceTargets(boolean)} is enabled, if this
         * setting is set to <code>true</code> (default is <code>true</code>) and the source
         * reference has an identifier populated, the identifier will be copied to the target
         * resource.
         * <p>
         * When enabled, if an Observation contains a reference like the one below,
         * and no existing resource was found that matches the given ID, a new
         * one will be created and its <code>Patient.identifier</code> value will be
         * populated using the value from <code>Observation.subject.identifier</code>.
         * </p>
         * <pre>
         * {
         *   "resourceType": "Observation",
         *   "subject": {
         *     "reference": "Patient/ABC",
         *     "identifier": {
         *       "system": "http://foo",
         *       "value": "123"
         *     }
         *   }
         * }
         * </pre>
         * <p>
         * This method is often combined with {@link #setAllowInlineMatchUrlReferences(boolean)}.
         * </p>
         * <p>
         * In other words if an Observation contains a reference like the one below,
         * and no existing resource was found that matches the given match URL, a new
         * one will be created and its <code>Patient.identifier</code> value will be
         * populated using the value from <code>Observation.subject.identifier</code>.
         * </p>
         * <pre>
         * {
         *   "resourceType": "Observation",
         *   "subject": {
         *     "reference": "Patient?identifier=http://foo|123",
         *     "identifier": {
         *       "system": "http://foo",
         *       "value": "123"
         *     }
         *   }
         * }
         * </pre>
         * <p>
         * Note that the default for this setting was previously <code>false</code>, and was changed to <code>true</code>
         * in 5.4.0 with consideration to the following:
         * </p>
         * <pre>
         * CP = Auto-Create Placeholder Reference Targets
         * PI = Populate Identifier in Auto-Created Placeholder Reference Targets
         *
         * CP | PI
         * -------
         *  F | F  <- PI=F is ignored
         *  F | T  <- PI=T is ignored
         *  T | F  <- resources may reference placeholder reference targets that are never updated : (
         *  T | T  <- placeholder reference targets can be updated : )
         * </pre>
         * <p>
         * Where CP=T and PI=F, the following could happen:
         * </p>
         * <ol>
         *    <li>
         *       Resource instance A is created with a reference to resource instance B. B is a placeholder reference target
         *       without an identifier.
         *    </li>
         *    <li>
         *         Resource instance C is conditionally created using a match URL. It is not matched to B although these
         *         resources represent the same entity.
         *    </li>
         *    <li>
         *       A continues to reference placeholder B, and does not reference populated C.
         *    </li>
         * </ol>
         * <p>
         * There may be cases where configuring this setting to <code>false</code> would be appropriate; however, these are
         * exceptional cases that should be opt-in.
         * </p>
         *
         * @since 4.2.0
         */
        public boolean isPopulateIdentifierInAutoCreatedPlaceholderReferenceTargets() {
                return myPopulateIdentifierInAutoCreatedPlaceholderReferenceTargets;
        }

        /**
         * When {@link #setAutoCreatePlaceholderReferenceTargets(boolean)} is enabled, if this
         * setting is set to <code>true</code> (default is <code>true</code>) and the source
         * reference has an identifier populated, the identifier will be copied to the target
         * resource.
         * <p>
         * When enabled, if an Observation contains a reference like the one below,
         * and no existing resource was found that matches the given ID, a new
         * one will be created and its <code>Patient.identifier</code> value will be
         * populated using the value from <code>Observation.subject.identifier</code>.
         * </p>
         * <pre>
         * {
         *   "resourceType": "Observation",
         *   "subject": {
         *     "reference": "Patient/ABC",
         *     "identifier": {
         *       "system": "http://foo",
         *       "value": "123"
         *     }
         *   }
         * }
         * </pre>
         * <p>
         * This method is often combined with {@link #setAllowInlineMatchUrlReferences(boolean)}.
         * </p>
         * <p>
         * In other words if an Observation contains a reference like the one below,
         * and no existing resource was found that matches the given match URL, a new
         * one will be created and its <code>Patient.identifier</code> value will be
         * populated using the value from <code>Observation.subject.identifier</code>.
         * </p>
         * <pre>
         * {
         *   "resourceType": "Observation",
         *   "subject": {
         *     "reference": "Patient?identifier=http://foo|123",
         *     "identifier": {
         *       "system": "http://foo",
         *       "value": "123"
         *     }
         *   }
         * }
         * </pre>
         * <p>
         * Note that the default for this setting was previously <code>false</code>, and was changed to <code>true</code>
         * in 5.4.0 with consideration to the following:
         * </p>
         * <pre>
         * CP = Auto-Create Placeholder Reference Targets
         * PI = Populate Identifier in Auto-Created Placeholder Reference Targets
         *
         * CP | PI
         * -------
         *  F | F  <- PI=F is ignored
         *  F | T  <- PI=T is ignored
         *  T | F  <- resources may reference placeholder reference targets that are never updated : (
         *  T | T  <- placeholder reference targets can be updated : )
         * </pre>
         * <p>
         * Where CP=T and PI=F, the following could happen:
         * </p>
         * <ol>
         *    <li>
         *       Resource instance A is created with a reference to resource instance B. B is a placeholder reference target
         *       without an identifier.
         *    </li>
         *    <li>
         *         Resource instance C is conditionally created using a match URL. It is not matched to B although these
         *         resources represent the same entity.
         *    </li>
         *    <li>
         *       A continues to reference placeholder B, and does not reference populated C.
         *    </li>
         * </ol>
         * <p>
         * There may be cases where configuring this setting to <code>false</code> would be appropriate; however, these are
         * exceptional cases that should be opt-in.
         * </p>
         *
         * @since 4.2.0
         */
        public void setPopulateIdentifierInAutoCreatedPlaceholderReferenceTargets(boolean thePopulateIdentifierInAutoCreatedPlaceholderReferenceTargets) {
                myPopulateIdentifierInAutoCreatedPlaceholderReferenceTargets = thePopulateIdentifierInAutoCreatedPlaceholderReferenceTargets;
        }

        /**
         * If set to <code>false</code> (default is <code>true</code>) resources will be permitted to be
         * deleted even if other resources currently contain references to them.
         * <p>
         * This property can cause confusing results for clients of the server since searches, includes,
         * and other FHIR features may not behave as expected when referential integrity is not
         * preserved. Use this feature with caution.
         * </p>
         */
        public boolean isEnforceReferentialIntegrityOnDelete() {
                return myEnforceReferentialIntegrityOnDelete;
        }

        /**
         * If set to <code>false</code> (default is <code>true</code>) resources will be permitted to be
         * deleted even if other resources currently contain references to them.
         * <p>
         * This property can cause confusing results for clients of the server since searches, includes,
         * and other FHIR features may not behave as expected when referential integrity is not
         * preserved. Use this feature with caution.
         * </p>
         */
        public void setEnforceReferentialIntegrityOnDelete(boolean theEnforceReferentialIntegrityOnDelete) {
                myEnforceReferentialIntegrityOnDelete = theEnforceReferentialIntegrityOnDelete;
        }

        /**
         * If set to <code>false</code> (default is <code>true</code>) resources will be permitted to be
         * created or updated even if they contain references to local resources that do not exist.
         * <p>
         * For example, if a patient contains a reference to managing organization <code>Organization/FOO</code>
         * but FOO is not a valid ID for an organization on the server, the operation will be blocked unless
         * this propery has been set to <code>false</code>
         * </p>
         * <p>
         * This property can cause confusing results for clients of the server since searches, includes,
         * and other FHIR features may not behave as expected when referential integrity is not
         * preserved. Use this feature with caution.
         * </p>
         */
        public boolean isEnforceReferentialIntegrityOnWrite() {
                return myEnforceReferentialIntegrityOnWrite;
        }

        /**
         * If set to <code>false</code> (default is <code>true</code>) resources will be permitted to be
         * created or updated even if they contain references to local resources that do not exist.
         * <p>
         * For example, if a patient contains a reference to managing organization <code>Organization/FOO</code>
         * but FOO is not a valid ID for an organization on the server, the operation will be blocked unless
         * this propery has been set to <code>false</code>
         * </p>
         * <p>
         * This property can cause confusing results for clients of the server since searches, includes,
         * and other FHIR features may not behave as expected when referential integrity is not
         * preserved. Use this feature with caution.
         * </p>
         */
        public void setEnforceReferentialIntegrityOnWrite(boolean theEnforceReferentialIntegrityOnWrite) {
                myEnforceReferentialIntegrityOnWrite = theEnforceReferentialIntegrityOnWrite;
        }

        /**
         * If this is set to <code>false</code> (default is <code>true</code>) the stale search deletion
         * task will be disabled (meaning that search results will be retained in the database indefinitely). USE WITH CAUTION.
         * <p>
         * This feature is useful if you want to define your own process for deleting these (e.g. because
         * you are running in a cluster)
         * </p>
         */
        public boolean isExpireSearchResults() {
                return myDeleteStaleSearches;
        }

        /**
         * If this is set to <code>false</code> (default is <code>true</code>) the stale search deletion
         * task will be disabled (meaning that search results will be retained in the database indefinitely). USE WITH CAUTION.
         * <p>
         * This feature is useful if you want to define your own process for deleting these (e.g. because
         * you are running in a cluster)
         * </p>
         */
        public void setExpireSearchResults(boolean theDeleteStaleSearches) {
                myDeleteStaleSearches = theDeleteStaleSearches;
        }

        /**
         * If set to <code>true</code> (default is <code>false</code>), the $expunge operation
         * will be enabled on this server. This operation is potentially dangerous since it allows
         * a client to physically delete data in a way that can not be recovered (without resorting
         * to backups).
         * <p>
         * It is recommended to not enable this setting without appropriate security
         * in place on your server to prevent non-administrators from using this
         * operation.
         * </p>
         */
        public boolean isExpungeEnabled() {
                return myExpungeEnabled;
        }

        /**
         * If set to <code>true</code> (default is <code>false</code>), the $expunge operation
         * will be enabled on this server. This operation is potentially dangerous since it allows
         * a client to physically delete data in a way that can not be recovered (without resorting
         * to backups).
         * <p>
         * It is recommended to not enable this setting without appropriate security
         * in place on your server to prevent non-administrators from using this
         * operation.
         * </p>
         */
        public void setExpungeEnabled(boolean theExpungeEnabled) {
                myExpungeEnabled = theExpungeEnabled;
        }

        /**
         * If set to <code>true</code> (default is <code>false</code>), the _expunge parameter on the DELETE
         * operation will be enabled on this server. DELETE _expunge removes all data associated with a resource in a highly performant
         * way, skipping most of the the checks that are enforced with usual DELETE operations.  The only check
         * that is performed before deleting the data is that no other resources reference the resources about to
         * be deleted.  This operation is potentially dangerous since it allows
         * a client to physically delete data in a way that can not be recovered (without resorting
         * to backups).
         * <p>
         * It is recommended to not enable this setting without appropriate security
         * in place on your server to prevent non-administrators from using this
         * operation.
         * </p>
         */
        public boolean isDeleteExpungeEnabled() {
                return myDeleteExpungeEnabled;
        }

        /**
         * If set to <code>true</code> (default is <code>false</code>), the _expunge parameter on the DELETE
         * operation will be enabled on this server. DELETE _expunge removes all data associated with a resource in a highly performant
         * way, skipping most of the the checks that are enforced with usual DELETE operations.  The only check
         * that is performed before deleting the resources and their indexes is that no other resources reference the resources about to
         * be deleted.  This operation is potentially dangerous since it allows
         * a client to physically delete data in a way that can not be recovered (without resorting
         * to backups).
         * <p>
         * It is recommended to not enable this setting without appropriate security
         * in place on your server to prevent non-administrators from using this
         * operation.
         * </p>
         */
        public void setDeleteExpungeEnabled(boolean theDeleteExpungeEnabled) {
                myDeleteExpungeEnabled = theDeleteExpungeEnabled;
        }

        /**
         * The expunge batch size (default 800) determines the number of records deleted within a single transaction by the
         * expunge operation.  When expunging via DELETE ?_expunge=true, then this value determines the batch size for
         * the number of resources deleted and expunged at a time.
         */
        public int getExpungeBatchSize() {
                return myExpungeBatchSize;
        }

        /**
         * The expunge batch size (default 800) determines the number of records deleted within a single transaction by the
         * expunge operation.  When expunging via DELETE ?_expunge=true, then this value determines the batch size for
         * the number of resources deleted and expunged at a time.
         */
        public void setExpungeBatchSize(int theExpungeBatchSize) {
                myExpungeBatchSize = theExpungeBatchSize;
        }

        /**
         * The reindex batch size (default 800) determines the number of records reindexed in a single transaction.
         */
        public int getReindexBatchSize() {
                return myReindexBatchSize;
        }

        /**
         * The reindex batch size (default 800) determines the number of records reindexed in a single transaction.
         */
        public void setReindexBatchSize(int theReindexBatchSize) {
                myReindexBatchSize = theReindexBatchSize;
        }


        /**
         * If set to <code>false</code> (default is <code>true</code>), reindexing of resources will be disabled on this
         * server.
         */
        public boolean isReindexEnabled() {
                return myReindexEnabled;
        }

        /**
         * If set to <code>false</code> (default is <code>true</code>), reindexing of resources will be disabled on this
         * server.
         */

        public void setReindexEnabled(boolean theReindexEnabled) {
                myReindexEnabled = theReindexEnabled;
        }

        /**
         * Should resources be marked as needing reindexing when a
         * SearchParameter resource is added or changed. This should generally
         * be true (which is the default)
         */
        public boolean isMarkResourcesForReindexingUponSearchParameterChange() {
                return myMarkResourcesForReindexingUponSearchParameterChange;
        }

        /**
         * Should resources be marked as needing reindexing when a
         * SearchParameter resource is added or changed. This should generally
         * be true (which is the default)
         */
        public void setMarkResourcesForReindexingUponSearchParameterChange(boolean theMarkResourcesForReindexingUponSearchParameterChange) {
                myMarkResourcesForReindexingUponSearchParameterChange = theMarkResourcesForReindexingUponSearchParameterChange;
        }

        public boolean isSchedulingDisabled() {
                return mySchedulingDisabled;
        }

        public void setSchedulingDisabled(boolean theSchedulingDisabled) {
                mySchedulingDisabled = theSchedulingDisabled;
        }

        /**
         * If set to {@literal true} (default is true), if a client performs an update which does not actually
         * result in any chance to a given resource (e.g. an update where the resource body matches the
         * existing resource body in the database) the operation will succeed but a new version (and corresponding history
         * entry) will not actually be created. The existing resource version will be returned to the client.
         * <p>
         * If set to {@literal false}, all updates will result in the creation of a new version
         * </p>
         */
        public boolean isSuppressUpdatesWithNoChange() {
                return mySuppressUpdatesWithNoChange;
        }

        /**
         * If set to {@literal true} (default is true), if a client performs an update which does not actually
         * result in any chance to a given resource (e.g. an update where the resource body matches the
         * existing resource body in the database) the operation will succeed but a new version (and corresponding history
         * entry) will not actually be created. The existing resource version will be returned to the client.
         * <p>
         * If set to {@literal false}, all updates will result in the creation of a new version
         * </p>
         */
        public void setSuppressUpdatesWithNoChange(boolean theSuppressUpdatesWithNoChange) {
                mySuppressUpdatesWithNoChange = theSuppressUpdatesWithNoChange;

        }

        /**
         * When using {@link #setUniqueIndexesEnabled(boolean) unique indexes}, if this
         * setting is set to <code>true</code> (default is <code>true</code>) the system
         * will test for the existence of a particular unique index value prior to saving
         * a new one.
         * <p>
         * This causes friendlier error messages to be generated, but adds an
         * extra round-trip to the database for eavh save so it can cause
         * a small performance hit.
         * </p>
         */
        public boolean isUniqueIndexesCheckedBeforeSave() {
                return myUniqueIndexesCheckedBeforeSave;
        }

        /**
         * When using {@link #setUniqueIndexesEnabled(boolean) unique indexes}, if this
         * setting is set to <code>true</code> (default is <code>true</code>) the system
         * will test for the existence of a particular unique index value prior to saving
         * a new one.
         * <p>
         * This causes friendlier error messages to be generated, but adds an
         * extra round-trip to the database for each save so it can cause
         * a small performance hit.
         * </p>
         */
        public void setUniqueIndexesCheckedBeforeSave(boolean theUniqueIndexesCheckedBeforeSave) {
                myUniqueIndexesCheckedBeforeSave = theUniqueIndexesCheckedBeforeSave;
        }

        /**
         * If set to <code>true</code> (default is <code>true</code>), indexes will be
         * created for search parameters marked as {@link HapiExtensions#EXT_SP_UNIQUE}.
         * This is a HAPI FHIR specific extension which can be used to specify that no more than one
         * resource can exist which matches a given criteria, using a database constraint to
         * enforce this.
         */
        public boolean isUniqueIndexesEnabled() {
                return myUniqueIndexesEnabled;
        }

        /**
         * If set to <code>true</code> (default is <code>true</code>), indexes will be
         * created for search parameters marked as {@link HapiExtensions#EXT_SP_UNIQUE}.
         * This is a HAPI FHIR specific extension which can be used to specify that no more than one
         * resource can exist which matches a given criteria, using a database constraint to
         * enforce this.
         */
        public void setUniqueIndexesEnabled(boolean theUniqueIndexesEnabled) {
                myUniqueIndexesEnabled = theUniqueIndexesEnabled;
        }

        /**
         * If <code>true</code> (default is <code>true</code>), before allowing a
         * SearchParameter resource to be stored (create, update, etc.) the
         * expression will be performed against an empty resource to ensure that
         * the FHIRPath executor is able to process it.
         * <p>
         * This should proabably always be set to true, but is configurable
         * in order to support some unit tests.
         * </p>
         */
        public boolean isValidateSearchParameterExpressionsOnSave() {
                return myValidateSearchParameterExpressionsOnSave;
        }

        /**
         * If <code>true</code> (default is <code>true</code>), before allowing a
         * SearchParameter resource to be stored (create, update, etc.) the
         * expression will be performed against an empty resource to ensure that
         * the FHIRPath executor is able to process it.
         * <p>
         * This should proabably always be set to true, but is configurable
         * in order to support some unit tests.
         * </p>
         */
        public void setValidateSearchParameterExpressionsOnSave(boolean theValidateSearchParameterExpressionsOnSave) {
                myValidateSearchParameterExpressionsOnSave = theValidateSearchParameterExpressionsOnSave;
        }

        /**
         * This setting sets the number of search results to prefetch. For example, if this list
         * is set to [100, 1000, -1] then the server will initially load 100 results and not
         * attempt to load more. If the user requests subsequent page(s) of results and goes
         * past 100 results, the system will load the next 900 (up to the following threshold of 1000).
         * The system will progressively work through these thresholds.
         *
         * <p>
         * A threshold of -1 means to load all results. Note that if the final threshold is a
         * number other than <code>-1</code>, the system will never prefetch more than the
         * given number.
         * </p>
         */
        public List<Integer> getSearchPreFetchThresholds() {
                return mySearchPreFetchThresholds;
        }

        /**
         * This setting sets the number of search results to prefetch. For example, if this list
         * is set to [100, 1000, -1] then the server will initially load 100 results and not
         * attempt to load more. If the user requests subsequent page(s) of results and goes
         * past 100 results, the system will load the next 900 (up to the following threshold of 1000).
         * The system will progressively work through these thresholds.
         *
         * <p>
         * A threshold of -1 means to load all results. Note that if the final threshold is a
         * number other than <code>-1</code>, the system will never prefetch more than the
         * given number.
         * </p>
         */
        public void setSearchPreFetchThresholds(List<Integer> thePreFetchThresholds) {
                Validate.isTrue(thePreFetchThresholds.size() > 0, "thePreFetchThresholds must not be empty");
                int last = 0;
                for (Integer nextInt : thePreFetchThresholds) {
                        Validate.isTrue(nextInt > 0 || nextInt == -1, nextInt + " is not a valid prefetch threshold");
                        Validate.isTrue(nextInt != last, "Prefetch thresholds must be sequential");
                        Validate.isTrue(nextInt > last || nextInt == -1, "Prefetch thresholds must be sequential");
                        Validate.isTrue(last != -1, "Prefetch thresholds must be sequential");
                        last = nextInt;
                }
                mySearchPreFetchThresholds = thePreFetchThresholds;
        }

        /**
         * If set to <code>true</code> (default is false) the server will not use
         * hash based searches. These searches were introduced in HAPI FHIR 3.5.0
         * and are the new default way of searching. However they require a very
         * large data migration if an existing system has a large amount of data
         * so this setting can be used to use the old search mechanism while data
         * is migrated.
         *
         * @since 3.6.0
         */
        public boolean getDisableHashBasedSearches() {
                return myDisableHashBasedSearches;
        }

        /**
         * If set to <code>true</code> (default is false) the server will not use
         * hash based searches. These searches were introduced in HAPI FHIR 3.5.0
         * and are the new default way of searching. However they require a very
         * large data migration if an existing system has a large amount of data
         * so this setting can be used to use the old search mechanism while data
         * is migrated.
         *
         * @since 3.6.0
         */
        public void setDisableHashBasedSearches(boolean theDisableHashBasedSearches) {
                myDisableHashBasedSearches = theDisableHashBasedSearches;
        }

        /**
         * If set to <code>false</code> (default is true) the server will not use
         * in-memory subscription searching and instead use the database matcher for all subscription
         * criteria matching.
         * <p>
         * When there are subscriptions registered
         * on the server, the default behaviour is to compare the changed resource to the
         * subscription criteria directly in-memory without going out to the database.
         * Certain types of subscription criteria, e.g. chained references of queries with
         * qualifiers or prefixes, are not supported by the in-memory matcher and will fall back
         * to a database matcher.
         * <p>
         * The database matcher performs a query against the
         * database by prepending ?id=XYZ to the subscription criteria where XYZ is the id of the changed entity
         *
         * @since 3.6.1
         */

        public boolean isEnableInMemorySubscriptionMatching() {
                return myEnableInMemorySubscriptionMatching;
        }

        /**
         * If set to <code>false</code> (default is true) the server will not use
         * in-memory subscription searching and instead use the database matcher for all subscription
         * criteria matching.
         * <p>
         * When there are subscriptions registered
         * on the server, the default behaviour is to compare the changed resource to the
         * subscription criteria directly in-memory without going out to the database.
         * Certain types of subscription criteria, e.g. chained references of queries with
         * qualifiers or prefixes, are not supported by the in-memory matcher and will fall back
         * to a database matcher.
         * <p>
         * The database matcher performs a query against the
         * database by prepending ?id=XYZ to the subscription criteria where XYZ is the id of the changed entity
         *
         * @since 3.6.1
         */

        public void setEnableInMemorySubscriptionMatching(boolean theEnableInMemorySubscriptionMatching) {
                myEnableInMemorySubscriptionMatching = theEnableInMemorySubscriptionMatching;
        }

        public ModelConfig getModelConfig() {
                return myModelConfig;
        }

        /**
         * If enabled, the server will support the use of :contains searches,
         * which are helpful but can have adverse effects on performance.
         * <p>
         * Default is <code>false</code> (Note that prior to HAPI FHIR
         * 3.5.0 the default was <code>true</code>)
         * </p>
         * <p>
         * Note: If you change this value after data already has
         * already been stored in the database, you must for a reindexing
         * of all data in the database or resources may not be
         * searchable.
         * </p>
         */
        public boolean isAllowContainsSearches() {
                return this.myModelConfig.isAllowContainsSearches();
        }

        /**
         * If enabled, the server will support the use of :contains searches,
         * which are helpful but can have adverse effects on performance.
         * <p>
         * Default is <code>false</code> (Note that prior to HAPI FHIR
         * 3.5.0 the default was <code>true</code>)
         * </p>
         * <p>
         * Note: If you change this value after data already has
         * already been stored in the database, you must for a reindexing
         * of all data in the database or resources may not be
         * searchable.
         * </p>
         */
        public void setAllowContainsSearches(boolean theAllowContainsSearches) {
                this.myModelConfig.setAllowContainsSearches(theAllowContainsSearches);
        }

        /**
         * If enabled, the server will support the use of :mdm search parameter qualifier on Reference Search Parameters.
         * This Parameter Qualifier is HAPI-specific, and not defined anywhere in the FHIR specification. Using this qualifier
         * will result in an MDM expansion being done on the reference, which will expand the search scope. For example, if Patient/1
         * is MDM-matched to Patient/2 and you execute the search:
         * Observation?subject:mdm=Patient/1 , you will receive observations for both Patient/1 and Patient/2.
         * <p>
         * Default is <code>false</code>
         * </p>
         *
         * @since 5.4.0
         */
        public boolean isAllowMdmExpansion() {
                return myModelConfig.isAllowMdmExpansion();
        }

        /**
         * If enabled, the server will support the use of :mdm search parameter qualifier on Reference Search Parameters.
         * This Parameter Qualifier is HAPI-specific, and not defined anywhere in the FHIR specification. Using this qualifier
         * will result in an MDM expansion being done on the reference, which will expand the search scope. For example, if Patient/1
         * is MDM-matched to Patient/2 and you execute the search:
         * Observation?subject:mdm=Patient/1 , you will receive observations for both Patient/1 and Patient/2.
         * <p>
         * Default is <code>false</code>
         * </p>
         *
         * @since 5.4.0
         */
        public void setAllowMdmExpansion(boolean theAllowMdmExpansion) {
                myModelConfig.setAllowMdmExpansion(theAllowMdmExpansion);
        }

        /**
         * This setting may be used to advise the server that any references found in
         * resources that have any of the base URLs given here will be replaced with
         * simple local references.
         * <p>
         * For example, if the set contains the value <code>http://example.com/base/</code>
         * and a resource is submitted to the server that contains a reference to
         * <code>http://example.com/base/Patient/1</code>, the server will automatically
         * convert this reference to <code>Patient/1</code>
         * </p>
         * <p>
         * Note that this property has different behaviour from {@link DaoConfig#getTreatReferencesAsLogical()}
         * </p>
         *
         * @see #getTreatReferencesAsLogical()
         */
        public Set<String> getTreatBaseUrlsAsLocal() {
                return myModelConfig.getTreatBaseUrlsAsLocal();
        }

        /**
         * This setting may be used to advise the server that any references found in
         * resources that have any of the base URLs given here will be replaced with
         * simple local references.
         * <p>
         * For example, if the set contains the value <code>http://example.com/base/</code>
         * and a resource is submitted to the server that contains a reference to
         * <code>http://example.com/base/Patient/1</code>, the server will automatically
         * convert this reference to <code>Patient/1</code>
         * </p>
         *
         * @param theTreatBaseUrlsAsLocal The set of base URLs. May be <code>null</code>, which
         *                                means no references will be treated as external
         */
        public void setTreatBaseUrlsAsLocal(Set<String> theTreatBaseUrlsAsLocal) {
                myModelConfig.setTreatBaseUrlsAsLocal(theTreatBaseUrlsAsLocal);
        }

        /**
         * If set to {@code true} the default search params (i.e. the search parameters that are
         * defined by the FHIR specification itself) may be overridden by uploading search
         * parameters to the server with the same code as the built-in search parameter.
         * <p>
         * This can be useful if you want to be able to disable or alter
         * the behaviour of the default search parameters.
         * </p>
         * <p>
         * The default value for this setting is {@code false}
         * </p>
         */
        public boolean isDefaultSearchParamsCanBeOverridden() {
                return myModelConfig.isDefaultSearchParamsCanBeOverridden();
        }

        /**
         * If set to {@code true} the default search params (i.e. the search parameters that are
         * defined by the FHIR specification itself) may be overridden by uploading search
         * parameters to the server with the same code as the built-in search parameter.
         * <p>
         * This can be useful if you want to be able to disable or alter
         * the behaviour of the default search parameters.
         * </p>
         * <p>
         * The default value for this setting is {@code false}
         * </p>
         */
        public void setDefaultSearchParamsCanBeOverridden(boolean theDefaultSearchParamsCanBeOverridden) {
                myModelConfig.setDefaultSearchParamsCanBeOverridden(theDefaultSearchParamsCanBeOverridden);
        }

        /**
         * This setting indicates which subscription channel types are supported by the server.  Any subscriptions submitted
         * to the server matching these types will be activated.
         */
        public DaoConfig addSupportedSubscriptionType(Subscription.SubscriptionChannelType theSubscriptionChannelType) {
                myModelConfig.addSupportedSubscriptionType(theSubscriptionChannelType);
                return this;
        }

        /**
         * This setting indicates which subscription channel types are supported by the server.  Any subscriptions submitted
         * to the server matching these types will be activated.
         *
         * @see #addSupportedSubscriptionType(Subscription.SubscriptionChannelType)
         */
        public Set<Subscription.SubscriptionChannelType> getSupportedSubscriptionTypes() {
                return myModelConfig.getSupportedSubscriptionTypes();
        }

        @VisibleForTesting
        public void clearSupportedSubscriptionTypesForUnitTest() {
                myModelConfig.clearSupportedSubscriptionTypesForUnitTest();
        }

        /**
         * If e-mail subscriptions are supported, the From address used when sending e-mails
         */

        public String getEmailFromAddress() {
                return myModelConfig.getEmailFromAddress();
        }

        /**
         * If e-mail subscriptions are supported, the From address used when sending e-mails
         */

        public void setEmailFromAddress(String theEmailFromAddress) {
                myModelConfig.setEmailFromAddress(theEmailFromAddress);
        }

        /**
         * If websocket subscriptions are enabled, this defines the context path that listens to them.  Default value "/websocket".
         */

        public String getWebsocketContextPath() {
                return myModelConfig.getWebsocketContextPath();
        }

        /**
         * If websocket subscriptions are enabled, this defines the context path that listens to them.  Default value "/websocket".
         */

        public void setWebsocketContextPath(String theWebsocketContextPath) {
                myModelConfig.setWebsocketContextPath(theWebsocketContextPath);
        }

        /**
         * If set to <code>true</code> the _filter search parameter will be enabled on this server. Note that _filter
         * is very powerful, but also potentially dangerous as it can allow a user to create a query for which there
         * are no indexes or efficient query plans for the database to leverage while performing the query.
         * As a result, this feature is recommended only for servers where the querying applications are known in advance
         * and a database administrator can properly tune the database for the resulting queries.
         */
        public boolean isFilterParameterEnabled() {
                return myFilterParameterEnabled;
        }

        /**
         * If set to <code>true</code> the _filter search parameter will be enabled on this server. Note that _filter
         * is very powerful, but also potentially dangerous as it can allow a user to create a query for which there
         * are no indexes or efficient query plans for the database to leverage while performing the query.
         * As a result, this feature is recommended only for servers where the querying applications are known in advance
         * and a database administrator can properly tune the database for the resulting queries.
         */
        public void setFilterParameterEnabled(boolean theFilterParameterEnabled) {
                myFilterParameterEnabled = theFilterParameterEnabled;
        }

        /**
         * If enabled, resource source information (<code>Resource.meta.source</code>) will be persisted along with
         * each resource. This adds extra table and index space so it should be disabled if it is not being
         * used.
         * <p>
         * Default is {@link StoreMetaSourceInformationEnum#SOURCE_URI_AND_REQUEST_ID}
         * </p>
         */
        public StoreMetaSourceInformationEnum getStoreMetaSourceInformation() {
                return myStoreMetaSourceInformation;
        }

        /**
         * If enabled, resource source information (<code>Resource.meta.source</code>) will be persisted along with
         * each resource. This adds extra table and index space so it should be disabled if it is not being
         * used.
         * <p>
         * Default is {@link StoreMetaSourceInformationEnum#SOURCE_URI_AND_REQUEST_ID}
         * </p>
         */
        public void setStoreMetaSourceInformation(StoreMetaSourceInformationEnum theStoreMetaSourceInformation) {
                Validate.notNull(theStoreMetaSourceInformation, "theStoreMetaSourceInformation must not be null");
                myStoreMetaSourceInformation = theStoreMetaSourceInformation;
        }

        /**
         * <p>
         * If set to {@code true}, ValueSets and expansions are stored in terminology tables. This is to facilitate
         * optimization of the $expand operation on large ValueSets.
         * </p>
         * <p>
         * The default value for this setting is {@code true}.
         * </p>
         *
         * @since 4.1.0
         */
        public boolean isPreExpandValueSets() {
                return myPreExpandValueSets;
        }

        /**
         * <p>
         * If set to {@code true}, ValueSets and expansions are stored in terminology tables. This is to facilitate
         * optimization of the $expand operation on large ValueSets.
         * </p>
         * <p>
         * The default value for this setting is {@code true}.
         * </p>
         *
         * @since 4.1.0
         */
        public void setPreExpandValueSets(boolean thePreExpandValueSets) {
                myPreExpandValueSets = thePreExpandValueSets;
        }

        /**
         * <p>
         * This is the default value of {@code offset} parameter for the ValueSet {@code $expand} operation when
         * {@link DaoConfig#isPreExpandValueSets()} returns {@code true}.
         * </p>
         * <p>
         * The default value for this setting is {@code 0}.
         * </p>
         *
         * @since 4.1.0
         */
        public int getPreExpandValueSetsDefaultOffset() {
                return myPreExpandValueSetsDefaultOffset;
        }

        /**
         * <p>
         * This is the default value of {@code count} parameter for the ValueSet {@code $expand} operation when
         * {@link DaoConfig#isPreExpandValueSets()} returns {@code true}.
         * </p>
         * <p>
         * The default value for this setting is {@code 1000}.
         * </p>
         *
         * @since 4.1.0
         */
        public int getPreExpandValueSetsDefaultCount() {
                return myPreExpandValueSetsDefaultCount;
        }

        /**
         * <p>
         * This is the default value of {@code count} parameter for the ValueSet {@code $expand} operation when
         * {@link DaoConfig#isPreExpandValueSets()} returns {@code true}.
         * </p>
         * <p>
         * If {@code thePreExpandValueSetsDefaultCount} is greater than
         * {@link DaoConfig#getPreExpandValueSetsMaxCount()}, the lesser value is used.
         * </p>
         * <p>
         * The default value for this setting is {@code 1000}.
         * </p>
         *
         * @since 4.1.0
         */
        public void setPreExpandValueSetsDefaultCount(int thePreExpandValueSetsDefaultCount) {
                myPreExpandValueSetsDefaultCount = Math.min(thePreExpandValueSetsDefaultCount, getPreExpandValueSetsMaxCount());
        }

        /**
         * <p>
         * This is the max value of {@code count} parameter for the ValueSet {@code $expand} operation when
         * {@link DaoConfig#isPreExpandValueSets()} returns {@code true}.
         * </p>
         * <p>
         * The default value for this setting is {@code 1000}.
         * </p>
         *
         * @since 4.1.0
         */
        public int getPreExpandValueSetsMaxCount() {
                return myPreExpandValueSetsMaxCount;
        }

        /**
         * <p>
         * This is the max value of {@code count} parameter for the ValueSet {@code $expand} operation when
         * {@link DaoConfig#isPreExpandValueSets()} returns {@code true}.
         * </p>
         * <p>
         * If {@code thePreExpandValueSetsMaxCount} is lesser than
         * {@link DaoConfig#getPreExpandValueSetsDefaultCount()}, the default {@code count} is lowered to the
         * new max {@code count}.
         * </p>
         * <p>
         * The default value for this setting is {@code 1000}.
         * </p>
         *
         * @since 4.1.0
         */
        public void setPreExpandValueSetsMaxCount(int thePreExpandValueSetsMaxCount) {
                myPreExpandValueSetsMaxCount = thePreExpandValueSetsMaxCount;
                setPreExpandValueSetsDefaultCount(Math.min(getPreExpandValueSetsDefaultCount(), getPreExpandValueSetsMaxCount()));
        }

        /**
         * This setting should be disabled (set to <code>false</code>) on servers that are not allowing
         * deletes. Default is <code>true</code>. If deletes are disabled, some checks for resource
         * deletion can be skipped, which improves performance. This is particularly helpful when large
         * amounts of data containing client-assigned IDs are being loaded, but it can also improve
         * search performance.
         *
         * @since 5.0.0
         */
        public boolean isDeleteEnabled() {
                return myDeleteEnabled;
        }

        /**
         * This setting should be disabled (set to <code>false</code>) on servers that are not allowing
         * deletes. Default is <code>true</code>. If deletes are disabled, some checks for resource
         * deletion can be skipped, which improves performance. This is particularly helpful when large
         * amounts of data containing client-assigned IDs are being loaded, but it can also improve
         * search performance.
         *
         * @since 5.0.0
         */
        public void setDeleteEnabled(boolean theDeleteEnabled) {
                myDeleteEnabled = theDeleteEnabled;
        }

        /**
         * <p>
         * This determines the maximum number of conflicts that should be fetched and handled while retrying a delete of a resource.
         * </p>
         * <p>
         * The default value for this setting is {@code 60}.
         * </p>
         *
         * @since 5.1.0
         */
        public Integer getMaximumDeleteConflictQueryCount() {
                return myMaximumDeleteConflictQueryCount;
        }

        /**
         * <p>
         * This determines the maximum number of conflicts that should be fetched and handled while retrying a delete of a resource.
         * </p>
         * <p>
         * The default value for this setting is {@code 60}.
         * </p>
         *
         * @since 5.1.0
         */
        public void setMaximumDeleteConflictQueryCount(Integer theMaximumDeleteConflictQueryCount) {
                myMaximumDeleteConflictQueryCount = theMaximumDeleteConflictQueryCount;
        }

        /**
         * <p>
         * This determines whether $binary-access-write operations should first load the InputStream into memory before persisting the
         * contents to the database. This needs to be enabled for MS SQL Server as this DB requires that the blob size be known
         * in advance.
         * </p>
         * <p>
         * Note that this setting should be enabled with caution as it can lead to significant demands on memory.
         * </p>
         * <p>
         * The default value for this setting is {@code false}.
         * </p>
         *
         * @since 5.1.0
         * @deprecated In 5.2.0 this setting no longer does anything
         */
        @Deprecated
        public void setPreloadBlobFromInputStream(Boolean thePreloadBlobFromInputStream) {
                // ignore
        }

        /**
         * <p>
         * This determines the internal search size that is run synchronously during operations such as searching for
         * Code System IDs by System and Code
         * </p>
         *
         * @since 5.4.0
         */
        public Integer getInternalSynchronousSearchSize() {
                return myInternalSynchronousSearchSize;
        }

        /**
         * <p>
         * This determines the internal search size that is run synchronously during operations such as searching for
         * Code System IDs by System and Code
         * </p>
         *
         * @since 5.4.0
         */
        public void setInternalSynchronousSearchSize(Integer theInternalSynchronousSearchSize) {
                myInternalSynchronousSearchSize = theInternalSynchronousSearchSize;
        }


        /**
         * If this is enabled (this is the default), this server will attempt to activate and run <b>Bulk Import</b>
         * batch jobs. Otherwise, this server will not.
         *
         * @since 5.5.0
         */
        public boolean isEnableTaskBulkImportJobExecution() {
                return myEnableTaskBulkImportJobExecution;
        }

        /**
         * If this is enabled (this is the default), this server will attempt to activate and run <b>Bulk Import</b>
         * batch jobs. Otherwise, this server will not.
         *
         * @since 5.5.0
         */
        public void setEnableTaskBulkImportJobExecution(boolean theEnableTaskBulkImportJobExecution) {
                myEnableTaskBulkImportJobExecution = theEnableTaskBulkImportJobExecution;
        }

        /**
         * If this is enabled (this is the default), this server will attempt to activate and run <b>Bulk Export</b>
         * batch jobs. Otherwise, this server will not.
         *
         * @since 5.5.0
         */
        public boolean isEnableTaskBulkExportJobExecution() {
                return myEnableTaskBulkExportJobExecution;
        }

        /**
         * If this is enabled (this is the default), this server will attempt to activate and run <b>Bulk Export</b>
         * batch jobs. Otherwise, this server will not.
         *
         * @since 5.5.0
         */
        public void setEnableTaskBulkExportJobExecution(boolean theEnableTaskBulkExportJobExecution) {
                myEnableTaskBulkExportJobExecution = theEnableTaskBulkExportJobExecution;
        }

        /**
         * If this is enabled (this is the default), this server will attempt to pre-expand any ValueSets that
         * have been uploaded and are not yet pre-expanded. Otherwise, this server will not.
         *
         * @since 5.5.0
         */
        public boolean isEnableTaskPreExpandValueSets() {
                return myEnableTaskPreExpandValueSets;
        }

        /**
         * If this is enabled (this is the default), this server will attempt to pre-expand any ValueSets that
         * have been uploaded and are not yet pre-expanded. Otherwise, this server will not.
         *
         * @since 5.5.0
         */
        public void setEnableTaskPreExpandValueSets(boolean theEnableTaskPreExpandValueSets) {
                myEnableTaskPreExpandValueSets = theEnableTaskPreExpandValueSets;
        }

        /**
         * If this is enabled (this is the default), this server will periodically scan for and try to delete
         * stale searches in the database. Otherwise, this server will not.
         *
         * @since 5.5.0
         */
        public boolean isEnableTaskStaleSearchCleanup() {
                return myEnableTaskStaleSearchCleanup;
        }

        /**
         * If this is enabled (this is the default), this server will periodically scan for and try to delete
         * stale searches in the database. Otherwise, this server will not.
         *
         * @since 5.5.0
         */
        public void setEnableTaskStaleSearchCleanup(boolean theEnableTaskStaleSearchCleanup) {
                myEnableTaskStaleSearchCleanup = theEnableTaskStaleSearchCleanup;
        }

        /**
         * If this is enabled (this is the default), this server will attempt to run resource reindexing jobs.
         * Otherwise, this server will not.
         *
         * @since 5.5.0
         */
        public boolean isEnableTaskResourceReindexing() {
                return myEnableTaskResourceReindexing;
        }

        /**
         * If this is enabled (this is the default), this server will attempt to run resource reindexing jobs.
         * Otherwise, this server will not.
         *
         * @since 5.5.0
         */
        public void setEnableTaskResourceReindexing(boolean theEnableTaskResourceReindexing) {
                myEnableTaskResourceReindexing = theEnableTaskResourceReindexing;
        }

        /**
         * If this is enabled (disabled by default), Mass Ingestion Mode is enabled. In this mode, a number of
         * runtime checks are disabled. This mode is designed for rapid backloading of data while the system is not
         * being otherwise used.
         * <p>
         * In this mode:
         * <p>
         * - Tags/Profiles/Security Labels will not be updated on existing resources that already have them
         * - Resources modification checks will be skipped in favour of a simple hash check
         * - Extra resource ID caching is enabled
         *
         * @since 5.5.0
         */
        public boolean isMassIngestionMode() {
                return myMassIngestionMode;
        }

        /**
         * If this is enabled (disabled by default), Mass Ingestion Mode is enabled. In this mode, a number of
         * runtime checks are disabled. This mode is designed for rapid backloading of data while the system is not
         * being otherwise used.
         * <p>
         * In this mode:
         * <p>
         * - Tags/Profiles/Security Labels will not be updated on existing resources that already have them
         * - Resources modification checks will be skipped in favour of a simple hash check
         * - Extra resource ID caching is enabled
         *
         * @since 5.5.0
         */
        public void setMassIngestionMode(boolean theMassIngestionMode) {
                myMassIngestionMode = theMassIngestionMode;
        }

        /**
         * If set to true (default is false), date indexes will account for null values in the range columns. As of 5.3.0
         * we no longer place null values in these columns, but legacy data may exist that still has these values. Note that
         * enabling this results in more complexity in the search SQL.
         *
         * @since 5.5.0
         */
        public boolean isAccountForDateIndexNulls() {
                return myAccountForDateIndexNulls;
        }

        /**
         * If set to true (default is false), date indexes will account for null values in the range columns. As of 5.3.0
         * we no longer place null values in these columns, but legacy data may exist that still has these values. Note that
         * enabling this results in more complexity in the search SQL.
         *
         * @since 5.5.0
         */
        public void setAccountForDateIndexNulls(boolean theAccountForDateIndexNulls) {
                myAccountForDateIndexNulls = theAccountForDateIndexNulls;
        }

        /**
         * If set to true (default is false) then subscriptions will be triggered for resource updates even if they
         * do not trigger a new version (e.g. $meta-add and $meta-delete).
         *
         * @since 5.5.0
         */
        public boolean isTriggerSubscriptionsForNonVersioningChanges() {
                return myTriggerSubscriptionsForNonVersioningChanges;
        }

        /**
         * If set to true (default is false) then subscriptions will be triggered for resource updates even if they
         * do not trigger a new version (e.g. $meta-add and $meta-delete).
         *
         * @since 5.5.0
         */
        public void setTriggerSubscriptionsForNonVersioningChanges(boolean theTriggerSubscriptionsForNonVersioningChanges) {
                myTriggerSubscriptionsForNonVersioningChanges = theTriggerSubscriptionsForNonVersioningChanges;
        }

        /**
         * Get the batch transaction thread pool size.
         *
         * @since 5.6.0
         */
        public Integer getBundleBatchPoolSize() {
                return myBundleBatchPoolSize;
        }

        /**
         * Set the batch transaction thread pool size. The default is @see {@link #DEFAULT_BUNDLE_BATCH_POOL_SIZE}
         * set pool size to 1 for single thread
         *
         * @since 5.6.0
         */
        public void setBundleBatchPoolSize(Integer theBundleBatchPoolSize) {
                this.myBundleBatchPoolSize = theBundleBatchPoolSize;
        }

        /**
         * Get the batch transaction thread max pool size.
         * set max pool size to 1 for single thread
         *
         * @since 5.6.0
         */
        public Integer getBundleBatchMaxPoolSize() {
                return myBundleBatchMaxPoolSize;
        }

        /**
         * Set the batch transaction thread pool size. The default is @see {@link #DEFAULT_BUNDLE_BATCH_MAX_POOL_SIZE}
         *
         * @since 5.6.0
         */
        public void setBundleBatchMaxPoolSize(Integer theBundleBatchMaxPoolSize) {
                this.myBundleBatchMaxPoolSize = theBundleBatchMaxPoolSize;
        }

        public boolean canDeleteExpunge() {
                return isAllowMultipleDelete() && isExpungeEnabled() && isDeleteExpungeEnabled();
        }

        public String cannotDeleteExpungeReason() {
                List<String> reasons = new ArrayList<>();
                if (!isAllowMultipleDelete()) {
                        reasons.add("Multiple Delete");
                }
                if (!isExpungeEnabled()) {
                        reasons.add("Expunge");
                }
                if (!isDeleteExpungeEnabled()) {
                        reasons.add("Delete Expunge");
                }
                String retval = "Delete Expunge is not supported on this server.  ";
                if (reasons.size() == 1) {
                        retval += reasons.get(0) + " is disabled.";
                } else {
                        retval += "The following configurations are disabled: " + StringUtils.join(reasons, ", ");
                }
                return retval;
        }

        /**
         * Sets a prefix for any indexes created when interacting with elasticsearch. This will apply to fulltext search indexes
         * and terminology expansion indexes.
         *
         * @since 5.6.0
         */
        public String getElasticSearchIndexPrefix() {
                return myElasicSearchIndexPrefix;
        }

        /**
         * Sets a prefix for any indexes created when interacting with elasticsearch. This will apply to fulltext search indexes
         * and terminology expansion indexes.
         *
         * @since 5.6.0
         */
        public void setElasticSearchIndexPrefix(String thePrefix) {
                myElasicSearchIndexPrefix = thePrefix;
        }

        /**
         * Is lucene/hibernate indexing enabled beyond _contains or _text?
         *
         * @since 5.6.0
         */
        public boolean isAdvancedLuceneIndexing() {
                return myAdvancedLuceneIndexing;
        }

        /**
         * Enable/disable lucene/hibernate indexing enabled beyond _contains or _text.
         * <p>
         * String, token, and reference parameters can be indexed in Lucene.
         * This extends token search to support :text searches, as well as supporting
         * :contains and :text on string parameters.
         *
         * @since 5.6.0
         */
        public void setAdvancedLuceneIndexing(boolean theAdvancedLuceneIndexing) {
                this.myAdvancedLuceneIndexing = theAdvancedLuceneIndexing;
        }

        /**
         * Is storing of Resource in Lucene index enabled?
         *
         * @since 5.7.0
         */
        public boolean isStoreResourceInLuceneIndex() {
                return myStoreResourceInLuceneIndex;
        }

        /**
         * <p>
         * Enable Resource to be stored inline with Lucene index mappings.
         * This is useful in cases where after performing a search operation the resulting resource identifiers don't have to be
         * looked up in the persistent storage, but rather the inline stored resource can be used instead.
         * </p>
         * <p>
         * For e.g - Storing Observation resource in lucene index would be useful when performing
         * <a href="https://www.hl7.org/fhir/observation-operation-lastn.html">$lastn</a> operation.
         * </p>
         *
         * @since 5.7.0
         */
        public void setStoreResourceInLuceneIndex(boolean theStoreResourceInLuceneIndex) {
                myStoreResourceInLuceneIndex = theStoreResourceInLuceneIndex;
        }

        /**
         * @see FhirValidator#isConcurrentBundleValidation()
         * @since 5.7.0
         */
        public boolean isConcurrentBundleValidation() {
                return myConcurrentBundleValidation;
        }

        /**
         * @see FhirValidator#isConcurrentBundleValidation()
         * @since 5.7.0
         */
        public DaoConfig setConcurrentBundleValidation(boolean theConcurrentBundleValidation) {
                myConcurrentBundleValidation = theConcurrentBundleValidation;
                return this;
        }

        /**
         * This setting indicates if a cross-partition subscription can be made.
         *
         * @see ModelConfig#setCrossPartitionSubscription(boolean)
         * @since 7.5.0
         */
        public boolean isCrossPartitionSubscription() {
                return this.myModelConfig.isCrossPartitionSubscription();
        }

        /**
         * This setting indicates if a cross-partition subscription can be made.
         *
         * @see ModelConfig#setCrossPartitionSubscription(boolean)
         * @since 7.5.0
         */
        public void setCrossPartitionSubscription(boolean theAllowCrossPartitionSubscription) {
                this.myModelConfig.setCrossPartitionSubscription(theAllowCrossPartitionSubscription);
        }

        public enum StoreMetaSourceInformationEnum {
                NONE(false, false),
                SOURCE_URI(true, false),
                REQUEST_ID(false, true),
                SOURCE_URI_AND_REQUEST_ID(true, true);

                private final boolean myStoreSourceUri;
                private final boolean myStoreRequestId;

                StoreMetaSourceInformationEnum(boolean theStoreSourceUri, boolean theStoreRequestId) {
                        myStoreSourceUri = theStoreSourceUri;
                        myStoreRequestId = theStoreRequestId;
                }

                public boolean isStoreSourceUri() {
                        return myStoreSourceUri;
                }

                public boolean isStoreRequestId() {
                        return myStoreRequestId;
                }
        }


        public enum IndexEnabledEnum {
                ENABLED,
                DISABLED
        }

        /**
         * This enum provides allowable options for {@link #setResourceServerIdStrategy(IdStrategyEnum)}
         */
        public enum IdStrategyEnum {
                /**
                 * This strategy is the default strategy, and it simply uses a sequential
                 * numeric ID for each newly created resource.
                 */
                SEQUENTIAL_NUMERIC,
                /**
                 * Each resource will receive a randomly generated UUID
                 */
                UUID
        }

        /**
         * This enum provides allowable options for {@link #setResourceClientIdStrategy(ClientIdStrategyEnum)}
         */
        public enum ClientIdStrategyEnum {
                /**
                 * Clients are not allowed to supply IDs for resources that do not
                 * already exist
                 */
                NOT_ALLOWED,

                /**
                 * Clients may supply IDs but these IDs are not permitted to be purely
                 * numeric. In other words, values such as "A", "A1" and "000A" would be considered
                 * valid but "123" would not.
                 * <p><b>This is the default setting.</b></p>
                 */
                ALPHANUMERIC,

                /**
                 * Clients may supply any ID including purely numeric IDs. Note that this setting should
                 * only be set on an empty database, or on a database that has always had this setting
                 * set as it causes a "forced ID" to be used for all resources.
                 * <p>
                 * Note that if you use this setting, it is highly recommended that you also
                 * set the {@link #setResourceServerIdStrategy(IdStrategyEnum) ResourceServerIdStrategy}
                 * to {@link IdStrategyEnum#UUID} in order to avoid any potential for conflicts. Otherwise
                 * a database sequence will be used to generate IDs and these IDs can conflict with
                 * client-assigned numeric IDs.
                 * </p>
                 */
                ANY
        }

        public enum TagStorageModeEnum {

                /**
                 * A separate set of tags is stored for each resource version
                 */
                VERSIONED,

                /**
                 * A single set of tags is shared by all resource versions
                 */
                NON_VERSIONED,

                /**
                 * Tags are stored directly in the resource body (in the {@link ca.uhn.fhir.jpa.model.entity.ResourceHistoryTable}
                 * entry for the resource, meaning that they are not indexed separately, and are versioned with the rest
                 * of the resource.
                 */
                INLINE

        }
}