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 package org.apache.directory.server.core.partition.impl.btree;
20
21
22 import org.apache.directory.server.schema.SerializableComparator;
23
24
25 /**
26 * A serializable comparator for long values.
27 *
28 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
29 * @version $Rev$, $Date$
30 */
31 public class LongComparator extends SerializableComparator<Long>
32 {
33 public static final LongComparator INSTANCE = new LongComparator();
34 private static final long serialVersionUID = 3690478030414165816L;
35
36
37 public LongComparator()
38 {
39 super( "1.3.6.1.4.1.18060.0.4.1.1.2" );
40 }
41
42
43 public int compare( Long l1, Long l2 )
44 {
45 return ( l1 < l2 ? -1 : ( l1.equals( l2 ) ? 0 : 1 ) );
46 }
47 }