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1   /*** 
2    * 
3    * Copyright 2004 Hiram Chirino
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   **/
18  package org.codehaus.activemq.store.cache;
19  
20  import java.io.IOException;
21  
22  import org.codehaus.activemq.store.PersistenceAdapter;
23  
24  /***
25   * Provides a CachePersistenceAdapter that uses a seperate LRU cache
26   * for each destination.
27   *
28   * @version $Revision: 1.1 $
29   */
30  public class SimpleCachePersistenceAdapter extends CachePersistenceAdapter {
31  	
32  	int cacheSize=1000;
33  	
34  	public SimpleCachePersistenceAdapter() {
35  		super();
36  	}
37  
38  	public SimpleCachePersistenceAdapter(PersistenceAdapter longTermPersistence)
39  			throws IOException {
40  		super(longTermPersistence);
41  	}
42  	
43  	/***
44  	 * @see org.codehaus.activemq.store.cache.CachePersistenceAdapter#createMessageCache(java.lang.String)
45  	 */
46  	protected MessageCache createMessageCache(String destinationName) {
47  		return new SimpleMessageCache(cacheSize);
48  	}
49  
50  	// Properties
51      //-------------------------------------------------------------------------
52  
53  	/***
54  	 * @return the MAX size that ech destination's LRU can grow to.
55  	 */
56  	public int getCacheSize() {
57  		return cacheSize;
58  	}
59  	/***
60  	 * @param the MAX size that ech destination's LRU can grow to.
61  	 */
62  	public void setCacheSize(int cacheSize) {
63  		this.cacheSize = cacheSize;
64  	}
65  
66  }