| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| * |
| */ |
| |
| package org.apache.directory.server.xdbm.impl.avl; |
| |
| |
| import org.apache.directory.api.ldap.model.entry.Entry; |
| import org.apache.directory.api.ldap.model.schema.AttributeType; |
| import org.apache.directory.api.ldap.model.schema.MatchingRule; |
| import org.apache.directory.api.ldap.model.schema.SchemaManager; |
| import org.apache.directory.api.ldap.model.schema.comparators.UuidComparator; |
| import org.apache.directory.server.i18n.I18n; |
| import org.apache.directory.server.xdbm.ParentIdAndRdn; |
| import org.apache.directory.server.xdbm.ParentIdAndRdnComparator; |
| |
| |
| /** |
| * A special index which stores Rdn objects. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class AvlRdnIndex extends AvlIndex<ParentIdAndRdn> |
| { |
| public AvlRdnIndex() |
| { |
| super(); |
| } |
| |
| |
| public AvlRdnIndex( String attributeId ) |
| { |
| super( attributeId, true ); |
| } |
| |
| |
| public void init( SchemaManager schemaManager, AttributeType attributeType ) throws Exception |
| { |
| this.attributeType = attributeType; |
| |
| MatchingRule mr = attributeType.getEquality(); |
| |
| if ( mr == null ) |
| { |
| mr = attributeType.getOrdering(); |
| } |
| |
| if ( mr == null ) |
| { |
| mr = attributeType.getSubstring(); |
| } |
| |
| normalizer = mr.getNormalizer(); |
| |
| if ( normalizer == null ) |
| { |
| throw new Exception( I18n.err( I18n.ERR_212, attributeType ) ); |
| } |
| |
| ParentIdAndRdnComparator<String> comp = new ParentIdAndRdnComparator<String>( mr.getOid() ); |
| |
| UuidComparator.INSTANCE.setSchemaManager( schemaManager ); |
| |
| /* |
| * The forward key/value map stores attribute values to master table |
| * primary keys. A value for an attribute can occur several times in |
| * different entries so the forward map can have more than one value. |
| */ |
| forward = new AvlTable<ParentIdAndRdn, String>( attributeType.getName(), comp, UuidComparator.INSTANCE, |
| false ); |
| reverse = new AvlTable<String, ParentIdAndRdn>( attributeType.getName(), UuidComparator.INSTANCE, comp, |
| false ); |
| } |
| } |