1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 * 19 */ 20 package org.apache.directory.server.core.partition.impl.btree.jdbm; 21 22 23 import org.apache.directory.api.ldap.model.name.Dn; 24 import org.apache.directory.api.ldap.model.schema.comparators.DnComparator; 25 import org.apache.directory.api.ldap.model.schema.comparators.SerializableComparator; 26 27 28 /** 29 * A comparator used to compare {@link Dn} stored in the Dn index. 30 * 31 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 32 */ 33 public class DnSerializerComparator extends SerializableComparator<Dn> 34 { 35 /** The serialVersionUID */ 36 private static final long serialVersionUID = 1L; 37 38 /** The DN comparator */ 39 private static DnComparator dnComparator = new DnComparator( null ); 40 41 42 /** 43 * Creates a new instance of DnSerializer. 44 * 45 * @param oid The comparator OID 46 */ 47 public DnSerializerComparator( String oid ) 48 { 49 super( oid ); 50 } 51 52 53 /** 54 * {@inheritDoc} 55 */ 56 @Override 57 public int compare( Dn dn1, Dn dn2 ) 58 { 59 return dnComparator.compare( dn1, dn2 ); 60 } 61 }