| package org.apache.commons.jcs3.engine; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| import org.apache.commons.jcs3.engine.behavior.ICacheEventQueue; |
| import org.apache.commons.jcs3.engine.behavior.ICacheListener; |
| import org.apache.commons.jcs3.log.Log; |
| import org.apache.commons.jcs3.log.LogManager; |
| |
| /** |
| * This class hands out event Queues. This allows us to change the implementation more easily. You |
| * can confugure the cache to use a custom type. |
| * <p> |
| * @author aaronsm |
| */ |
| public class CacheEventQueueFactory<K, V> |
| { |
| /** The logger. */ |
| private static final Log log = LogManager.getLog( CacheEventQueueFactory.class ); |
| |
| /** |
| * The most commonly used factory method. |
| * <p> |
| * @param listener |
| * @param listenerId |
| * @param cacheName |
| * @param threadPoolName |
| * @param poolType - SINGLE, POOLED |
| * @return ICacheEventQueue |
| */ |
| public ICacheEventQueue<K, V> createCacheEventQueue( final ICacheListener<K, V> listener, final long listenerId, final String cacheName, |
| final String threadPoolName, final ICacheEventQueue.QueueType poolType ) |
| { |
| return createCacheEventQueue( listener, listenerId, cacheName, 10, 500, threadPoolName, poolType ); |
| } |
| |
| /** |
| * Fully configured event queue. |
| * <p> |
| * @param listener |
| * @param listenerId |
| * @param cacheName |
| * @param maxFailure |
| * @param waitBeforeRetry |
| * @param threadPoolName null is OK, if not a pooled event queue this is ignored |
| * @param poolType single or pooled |
| * @return ICacheEventQueue |
| */ |
| public ICacheEventQueue<K, V> createCacheEventQueue( final ICacheListener<K, V> listener, final long listenerId, final String cacheName, |
| final int maxFailure, final int waitBeforeRetry, final String threadPoolName, |
| final ICacheEventQueue.QueueType poolType ) |
| { |
| log.debug( "threadPoolName = [{0}] poolType = {1}", threadPoolName, poolType ); |
| |
| ICacheEventQueue<K, V> eventQueue = null; |
| if ( poolType == null || ICacheEventQueue.QueueType.SINGLE == poolType ) |
| { |
| eventQueue = new CacheEventQueue<>( listener, listenerId, cacheName, maxFailure, waitBeforeRetry ); |
| } |
| else if ( ICacheEventQueue.QueueType.POOLED == poolType ) |
| { |
| eventQueue = new PooledCacheEventQueue<>( listener, listenerId, cacheName, maxFailure, waitBeforeRetry, |
| threadPoolName ); |
| } |
| |
| return eventQueue; |
| } |
| } |