| /* |
| * 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.core.partition.impl.btree.mavibot; |
| |
| import java.util.Comparator; |
| |
| import org.apache.directory.api.ldap.model.name.Dn; |
| import org.apache.directory.api.ldap.model.schema.comparators.DnComparator; |
| import org.apache.directory.mavibot.btree.Tuple; |
| |
| /** |
| * TODO LdifTupleComparator. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class LdifTupleComparator implements Comparator<Tuple<Dn, String>> |
| { |
| /** The DN comparator to use */ |
| DnComparator comparator = new DnComparator( null ); |
| |
| @Override |
| public int compare( Tuple<Dn, String> t1, Tuple<Dn, String> t2 ) |
| { |
| Dn dn1 = t1.getKey(); |
| Dn dn2 = t2.getKey(); |
| |
| if ( dn1.isAncestorOf( dn2 ) ) |
| { |
| return -1; |
| } |
| else if ( dn2.isAncestorOf( dn1 ) ) |
| { |
| return 1; |
| } |
| else if ( dn1.equals( dn2 ) ) |
| { |
| return 0; |
| } |
| |
| return comparator.compare( dn1, dn2 ); |
| } |
| } |