001package ca.uhn.fhir.rest.api.server;
002
003/*-
004 * #%L
005 * HAPI FHIR - Server Framework
006 * %%
007 * Copyright (C) 2014 - 2019 University Health Network
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 *
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 *
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import com.google.common.collect.Lists;
024import org.apache.commons.lang3.Validate;
025import org.hl7.fhir.instance.model.api.IBaseResource;
026
027import java.util.Iterator;
028import java.util.List;
029
030public class SimplePreResourceShowDetails implements IPreResourceShowDetails, Iterable<IBaseResource> {
031
032        private final List<IBaseResource> myResources;
033        private final boolean[] mySubSets;
034
035        public SimplePreResourceShowDetails(IBaseResource theResource) {
036                this(Lists.newArrayList(theResource));
037        }
038
039        public <T extends IBaseResource> SimplePreResourceShowDetails(List<T> theResources) {
040                //noinspection unchecked
041                myResources = (List<IBaseResource>) theResources;
042                mySubSets = new boolean[myResources.size()];
043        }
044
045        @Override
046        public int size() {
047                return myResources.size();
048        }
049
050        @Override
051        public IBaseResource getResource(int theIndex) {
052                return myResources.get(theIndex);
053        }
054
055        @Override
056        public void setResource(int theIndex, IBaseResource theResource) {
057                Validate.isTrue(theIndex >= 0, "Invalid index %d - theIndex must not be < 0", theIndex);
058                Validate.isTrue(theIndex < myResources.size(), "Invalid index {} - theIndex must be < %d", theIndex, myResources.size());
059                myResources.set(theIndex, theResource);
060        }
061
062        @Override
063        public void markResourceAtIndexAsSubset(int theIndex) {
064                Validate.isTrue(theIndex >= 0, "Invalid index %d - theIndex must not be < 0", theIndex);
065                Validate.isTrue(theIndex < myResources.size(), "Invalid index {} - theIndex must be < %d", theIndex, myResources.size());
066                mySubSets[theIndex] = true;
067        }
068
069        @Override
070        public Iterator<IBaseResource> iterator() {
071                return myResources.iterator();
072        }
073}