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1   /*
2    * Copyright 2001-2004 The Apache Software Foundation
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.commons.cache.remote;
17  
18  import java.io.Serializable;
19  
20  /**
21   * tk.
22   *
23   * @version $Id: ContainsRequest.java 155435 2005-02-26 13:17:27Z dirkv $
24   * @author Rodney Waldhoff
25   */
26  public class ContainsRequest implements CacheRequest {
27    protected Serializable _key = null;
28  
29    public ContainsRequest(Serializable key) {
30      _key = key;
31    }
32  
33    public Serializable getKey() {
34      return _key;
35    }
36  
37    public boolean equals(ContainsRequest req) {
38      return ( (null != req)  && (null == req.getKey() ? null == _key : _key.equals(req.getKey())) );
39    }
40  
41    public int hashCode() {
42      return (null == _key ? -1 : _key.hashCode());
43    }
44  }