1 /***
2 *
3 * Copyright 2003-2005 Core Developers Network Ltd.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.codehaus.wadi.location.partitionmanager;
18
19
20 /***
21 * @author <a href="mailto:jules@coredevelopers.net">Jules Gosnell</a>
22 * @version $Revision: 2281 $
23 */
24 public class SimplePartitionMapper implements PartitionMapper {
25
26 protected final int _numPartitions;
27
28 public SimplePartitionMapper(int numPartitions) {
29 super();
30 _numPartitions=numPartitions;
31
32 }
33
34 public int map(Object key) {
35 return Math.abs(key.hashCode()%_numPartitions);
36 }
37 }