SimpleCachePersistenceAdapter xref

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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  }