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.api.ldap.model.schema.comparators.SerializableComparator;
23
24
25 /**
26 * The default implementation of a pair of comparators which compares both
27 * keys and values of a Tuple.
28 *
29 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
30 */
31 public class DefaultTupleComparator<K, V> implements TupleComparator<K, V>
32 {
33 private static final long serialVersionUID = -6639792479317762334L;
34
35 SerializableComparator<K> keyComparator;
36 SerializableComparator<V> valueComparator;
37
38
39 public DefaultTupleComparator( SerializableComparator<K> keyComparator, SerializableComparator<V> valueComparator )
40 {
41 this.keyComparator = keyComparator;
42 this.valueComparator = valueComparator;
43 }
44
45
46 public SerializableComparator<K> getKeyComparator()
47 {
48 return keyComparator;
49 }
50
51
52 public SerializableComparator<V> getValueComparator()
53 {
54 return valueComparator;
55 }
56
57
58 public int compareKey( K key1, K key2 )
59 {
60 return keyComparator.compare( key1, key2 );
61 }
62
63
64 public int compareValue( V value1, V value2 )
65 {
66 return valueComparator.compare( value1, value2 );
67 }
68 }