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.io.util.MemoryBoundedMessageCache;
023    import org.activemq.io.util.MemoryBoundedObjectManager;
024    import org.activemq.store.PersistenceAdapter;
025    
026    /**
027     * Provides a CachePersistenceAdapter that uses a MemoryBoundedLRUCache
028     * for each destination.
029     *
030     * @version $Revision: 1.1.1.1 $
031     */
032    public class MemoryBoundedCachePersistenceAdapter extends CachePersistenceAdapter {
033            
034            private MemoryBoundedObjectManager memoryManager;
035        
036        public MemoryBoundedCachePersistenceAdapter() {
037                    super();
038            }
039    
040            public MemoryBoundedCachePersistenceAdapter(PersistenceAdapter longTermPersistence) throws IOException {
041                    super(longTermPersistence);
042            }
043            
044            /**
045             * @see org.activemq.store.cache.CachePersistenceAdapter#createMessageCache(java.lang.String)
046             */
047            protected MessageCache createMessageCache(String destinationName) {
048                    return new MemoryBoundedMessageCache(memoryManager);
049            }
050    
051        /**
052         * @return Returns the memoryManager.
053         */
054        public MemoryBoundedObjectManager getMemoryManager() {
055            return memoryManager;
056        }
057        
058        /**
059         * @param memoryManager The memoryManager to set.
060         */
061        public void setMemoryManager(MemoryBoundedObjectManager memoryManager) {
062            this.memoryManager = memoryManager;
063        }
064    }