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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   * 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   * @version $Rev$, $Date$
31   */
32  public class DefaultTupleComparator<K,V> implements TupleComparator<K,V>
33  {
34      SerializableComparator<K> keyComparator;
35      SerializableComparator<V> valueComparator;
36  
37  
38      public DefaultTupleComparator( SerializableComparator<K> keyComparator, SerializableComparator<V> valueComparator )
39      {
40          this.keyComparator = keyComparator;
41          this.valueComparator = valueComparator;
42      }
43  
44  
45      public SerializableComparator<K> getKeyComparator()
46      {
47          return keyComparator;
48      }
49  
50  
51      public SerializableComparator<V> getValueComparator()
52      {
53          return valueComparator;
54      }
55  
56  
57      public int compareKey( K key1, K key2 )
58      {
59          return keyComparator.compare( key1, key2 );
60      }
61  
62  
63      public int compareValue( V value1, V value2 )
64      {
65          return valueComparator.compare( value1, value2 );
66      }
67  }