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1   package org.apache.jcs.utils.struct;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.io.Serializable;
23  import java.util.Map.Entry;
24  
25  /***
26   * Entry for the LRUMap.
27   * <p>
28   * @author Aaron Smuts
29   */
30  public class LRUMapEntry
31      implements Entry, Serializable
32  {
33      private static final long serialVersionUID = -8176116317739129331L;
34  
35      private Object key;
36  
37      private Object value;
38  
39      /***
40       * S
41       * @param key
42       * @param value
43       */
44      public LRUMapEntry( Object key, Object value )
45      {
46          this.key = key;
47          this.value = value;
48      }
49  
50      /*
51       * (non-Javadoc)
52       * @see java.util.Map$Entry#getKey()
53       */
54      public Object getKey()
55      {
56          return this.key;
57      }
58  
59      /*
60       * (non-Javadoc)
61       * @see java.util.Map$Entry#getValue()
62       */
63      public Object getValue()
64      {
65          return this.value;
66      }
67  
68      /*
69       * (non-Javadoc)
70       * @see java.util.Map$Entry#setValue(java.lang.Object)
71       */
72      public Object setValue( Object valueArg )
73      {
74          Object old = this.value;
75          this.value = valueArg;
76          return old;
77      }
78  }