001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements. See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership. The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied. See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 *
019 */
020 package org.apache.directory.server.core.partition.impl.btree.jdbm;
021
022
023 import java.util.HashSet;
024 import java.util.Set;
025
026 import org.apache.directory.server.constants.ApacheSchemaConstants;
027 import org.apache.directory.server.core.partition.Partition;
028 import org.apache.directory.server.xdbm.Index;
029 import org.apache.directory.server.xdbm.AbstractXdbmPartition;
030 import org.apache.directory.server.xdbm.search.impl.CursorBuilder;
031 import org.apache.directory.server.xdbm.search.impl.DefaultOptimizer;
032 import org.apache.directory.server.xdbm.search.impl.DefaultSearchEngine;
033 import org.apache.directory.server.xdbm.search.impl.EvaluatorBuilder;
034 import org.apache.directory.server.xdbm.search.impl.NoOpOptimizer;
035 import org.apache.directory.shared.ldap.constants.SchemaConstants;
036 import org.apache.directory.shared.ldap.entry.ServerEntry;
037
038
039 /**
040 * A {@link Partition} that stores entries in
041 * <a href="http://jdbm.sourceforge.net/">JDBM</a> database.
042 *
043 * @org.apache.xbean.XBean
044 *
045 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
046 * @version $Rev: 927146 $
047 */
048 public class JdbmPartition extends AbstractXdbmPartition<Long>
049 {
050
051 /**
052 * Creates a store based on JDBM B+Trees.
053 */
054 public JdbmPartition()
055 {
056 super( new JdbmStore<ServerEntry>() );
057 }
058
059
060 @SuppressWarnings("unchecked")
061 protected void doInit() throws Exception
062 {
063 store.setWorkingDirectory( getPartitionDir() );
064
065 EvaluatorBuilder<Long> evaluatorBuilder = new EvaluatorBuilder<Long>( store, schemaManager );
066 CursorBuilder<Long> cursorBuilder = new CursorBuilder<Long>( store, evaluatorBuilder );
067
068 // setup optimizer and registries for parent
069 if ( !optimizerEnabled )
070 {
071 optimizer = new NoOpOptimizer();
072 }
073 else
074 {
075 optimizer = new DefaultOptimizer<ServerEntry, Long>( store );
076 }
077
078 searchEngine = new DefaultSearchEngine<Long>( store, cursorBuilder, evaluatorBuilder, optimizer );
079
080 // initialize the store
081 store.setCacheSize( cacheSize );
082 store.setName( id );
083
084 // Normalize the suffix
085 suffix.normalize( schemaManager.getNormalizerMapping() );
086 store.setSuffixDn( suffix.getNormName() );
087 store.setWorkingDirectory( getPartitionDir() );
088
089 Set<Index<?, ServerEntry, Long>> userIndices = new HashSet<Index<?, ServerEntry, Long>>();
090
091 for ( Index<?, ServerEntry, Long> obj : getIndexedAttributes() )
092 {
093 Index<?, ServerEntry, Long> index;
094
095 if ( obj instanceof JdbmIndex<?, ?> )
096 {
097 index = ( JdbmIndex<?, ServerEntry> ) obj;
098 }
099 else
100 {
101 index = new JdbmIndex<Object, ServerEntry>();
102 index.setAttributeId( obj.getAttributeId() );
103 index.setCacheSize( obj.getCacheSize() );
104 index.setWkDirPath( obj.getWkDirPath() );
105 }
106
107 String oid = schemaManager.getAttributeTypeRegistry().getOidByName( index.getAttributeId() );
108
109 if ( SYS_INDEX_OIDS.contains( oid ) )
110 {
111 if ( oid.equals( ApacheSchemaConstants.APACHE_ALIAS_AT_OID ) )
112 {
113 store.setAliasIndex( ( Index<String, ServerEntry, Long> ) index );
114 }
115 else if ( oid.equals( ApacheSchemaConstants.APACHE_EXISTENCE_AT_OID ) )
116 {
117 store.setPresenceIndex( ( Index<String, ServerEntry, Long> ) index );
118 }
119 else if ( oid.equals( ApacheSchemaConstants.APACHE_ONE_LEVEL_AT_OID ) )
120 {
121 store.setOneLevelIndex( ( Index<Long, ServerEntry, Long> ) index );
122 }
123 else if ( oid.equals( ApacheSchemaConstants.APACHE_N_DN_AT_OID ) )
124 {
125 store.setNdnIndex( ( Index<String, ServerEntry, Long> ) index );
126 }
127 else if ( oid.equals( ApacheSchemaConstants.APACHE_ONE_ALIAS_AT_OID ) )
128 {
129 store.setOneAliasIndex( ( Index<Long, ServerEntry, Long> ) index );
130 }
131 else if ( oid.equals( ApacheSchemaConstants.APACHE_SUB_ALIAS_AT_OID ) )
132 {
133 store.setSubAliasIndex( ( Index<Long, ServerEntry, Long> ) index );
134 }
135 else if ( oid.equals( ApacheSchemaConstants.APACHE_UP_DN_AT_OID ) )
136 {
137 store.setUpdnIndex( ( Index<String, ServerEntry, Long> ) index );
138 }
139 else if ( oid.equals( SchemaConstants.OBJECT_CLASS_AT_OID ) )
140 {
141 store.setObjectClassIndex( ( Index<String, ServerEntry, Long> ) index );
142 }
143 else if ( oid.equals( SchemaConstants.ENTRY_CSN_AT_OID ) )
144 {
145 store.setEntryCsnIndex( ( Index<String, ServerEntry, Long> ) index );
146 }
147 else if ( oid.equals( SchemaConstants.ENTRY_UUID_AT_OID ) )
148 {
149 store.setEntryUuidIndex( ( Index<String, ServerEntry, Long> ) index );
150 }
151 else
152 {
153 throw new IllegalStateException( "Unrecognized system index " + oid );
154 }
155 }
156 else
157 {
158 userIndices.add( index );
159 }
160
161 store.setUserIndices( userIndices );
162 }
163
164 store.init( schemaManager );
165 }
166
167
168 public Index<String, ServerEntry, Long> getObjectClassIndex()
169 {
170 return store.getObjectClassIndex();
171 }
172
173
174 public Index<String, ServerEntry, Long> getEntryCsnIndex()
175 {
176 return store.getEntryCsnIndex();
177 }
178
179
180 public Index<String, ServerEntry, Long> getEntryUuidIndex()
181 {
182 return store.getEntryUuidIndex();
183 }
184
185 }