BaseMRUCacheConfiguration


1   /*
2    * The contents of this file are subject to the Sapient Public License
3    * Version 1.0 (the "License"); you may not use this file except in compliance
4    * with the License. You may obtain a copy of the License at
5    * http://carbon.sf.net/License.html.
6    *
7    * Software distributed under the License is distributed on an "AS IS" basis,
8    * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
9    * the specific language governing rights and limitations under the License.
10   *
11   * The Original Code is The Carbon Component Framework.
12   *
13   * The Initial Developer of the Original Code is Sapient Corporation
14   *
15   * Copyright (C) 2003 Sapient Corporation. All Rights Reserved.
16   */
17  
18  package org.sape.carbon.services.cache.mru;
19  
20  import org.sape.carbon.core.component.ComponentConfiguration;
21  
22  /**
23   * The configuration interface for the DefaultMRUCacheImpl implementation.
24   *
25   * Copyright 2002 Sapient
26   * @since carbon 1.0
27   * @author Doug Voet, April 2002
28   * @version $Revision: 1.9 $($Author: dvoet $ / $Date: 2003/05/05 21:21:07 $)
29   */
30  public interface BaseMRUCacheConfiguration
31      extends ComponentConfiguration {
32  
33      /**
34       * Capacity specifies the maximum number a data elements the cache can
35       * hold before it starts to drop the least recently used elements.
36       *
37       * @return the value of capacity
38       */
39      Integer   getCapacity();
40  
41      /**
42       * Capacity specifies the maximum number a data elements the cache can
43       * hold before it starts to drop the least recently used elements.
44       *
45       * @param capacity value of the capacity
46       */
47      void setCapacity(Integer   capacity);
48  
49      /**
50       * ExpirationInterval specifies the time after which a datum has been
51       * loaded into the cache it must be reloaded.  If this value is not
52       * specifed, cached items will only be loaded if the cache is refreshed
53       * or if it falls out of the cache due to lack of use.
54       * @return Long
55       */
56      Long   getExpirationInterval();
57  
58      /**
59       * ExpirationInterval specifies the time after which a datum has been
60       * loaded into the cache it must be reloaded.  If this value is not
61       * specifed, cached items will only be loaded if the cache is refreshed
62       * or if it falls out of the cache due to lack of use.
63       *
64       * @param expirationInterval value of the expiration interval
65       */
66      void setExpirationInterval(Long   expirationInterval);
67  }
68
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