001 /**
002 *
003 * Copyright 2004 Hiram Chirino
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 *
017 **/
018 package org.activemq.store.cache;
019
020 import java.io.IOException;
021
022 import org.activemq.store.PersistenceAdapter;
023
024 /**
025 * Provides a CachePersistenceAdapter that uses a seperate LRU cache
026 * for each destination.
027 *
028 * @version $Revision: 1.1.1.1 $
029 */
030 public class SimpleCachePersistenceAdapter extends CachePersistenceAdapter {
031
032 int cacheSize=1000;
033
034 public SimpleCachePersistenceAdapter() {
035 super();
036 }
037
038 public SimpleCachePersistenceAdapter(PersistenceAdapter longTermPersistence)
039 throws IOException {
040 super(longTermPersistence);
041 }
042
043 /**
044 * @see org.activemq.store.cache.CachePersistenceAdapter#createMessageCache(java.lang.String)
045 */
046 protected MessageCache createMessageCache(String destinationName) {
047 return new SimpleMessageCache(cacheSize);
048 }
049
050 // Properties
051 //-------------------------------------------------------------------------
052
053 /**
054 * @return the MAX size that ech destination's LRU can grow to.
055 */
056 public int getCacheSize() {
057 return cacheSize;
058 }
059 /**
060 * @param the MAX size that ech destination's LRU can grow to.
061 */
062 public void setCacheSize(int cacheSize) {
063 this.cacheSize = cacheSize;
064 }
065
066 }