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    package org.apache.directory.server.core.factory;
020    
021    
022    import java.io.File;
023    import java.util.Set;
024    
025    import org.apache.directory.server.core.partition.Partition;
026    import org.apache.directory.server.core.partition.impl.btree.jdbm.JdbmIndex;
027    import org.apache.directory.server.core.partition.impl.btree.jdbm.JdbmPartition;
028    import org.apache.directory.server.xdbm.Index;
029    import org.apache.directory.shared.ldap.entry.ServerEntry;
030    
031    
032    /**
033     * A factory used to generate {@link JdbmPartition}s.
034     *
035     * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
036     * @version $Rev$, $Date$
037     */
038    public class JdbmPartitionFactory implements PartitionFactory
039    {
040    
041        /**
042         * {@inheritDoc}
043         */
044        public JdbmPartition createPartition( String id, String suffix, int cacheSize, File workingDirectory )
045            throws Exception
046        {
047            JdbmPartition partition = new JdbmPartition();
048            partition.setId( id );
049            partition.setSuffix( suffix );
050            partition.setCacheSize( 500 );
051            partition.setPartitionDir( workingDirectory );
052            return partition;
053        }
054    
055    
056        /**
057         * {@inheritDoc}
058         */
059        public void addIndex( Partition partition, String attributeId, int cacheSize ) throws Exception
060        {
061            if ( !( partition instanceof JdbmPartition ) )
062            {
063                throw new IllegalArgumentException( "Partition must be a JdbmPartition" );
064            }
065    
066            JdbmPartition jdbmPartition = ( JdbmPartition ) partition;
067            Set<Index<? extends Object, ServerEntry, Long>> indexedAttributes = jdbmPartition.getIndexedAttributes();
068    
069            JdbmIndex<Object, ServerEntry> index = new JdbmIndex<Object, ServerEntry>( attributeId );
070            index.setCacheSize( cacheSize );
071    
072            indexedAttributes.add( index );
073            jdbmPartition.setIndexedAttributes( indexedAttributes );
074        }
075    
076    }