/** * 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. */ package org.apache.activemq.plugin; import static org.apache.activemq.plugin.SubQueueSelectorCacheBroker.MAX_PERSIST_INTERVAL; import java.io.File; import org.apache.activemq.broker.Broker; import org.apache.activemq.broker.BrokerPlugin; /** * A plugin which allows the caching of the selector from a subscription queue. * <p/> * This stops the build-up of unwanted messages, especially when consumers may * disconnect from time to time when using virtual destinations. * <p/> * This is influenced by code snippets developed by Maciej Rakowicz * * @org.apache.xbean.XBean element="virtualSelectorCacheBrokerPlugin" */ public class SubQueueSelectorCacheBrokerPlugin implements BrokerPlugin { private File persistFile; private boolean singleSelectorPerDestination = false; private boolean ignoreWildcardSelectors = false; private long persistInterval = MAX_PERSIST_INTERVAL; @Override public Broker installPlugin(Broker broker) throws Exception { SubQueueSelectorCacheBroker rc = new SubQueueSelectorCacheBroker(broker, persistFile); rc.setSingleSelectorPerDestination(singleSelectorPerDestination); rc.setPersistInterval(persistInterval); rc.setIgnoreWildcardSelectors(ignoreWildcardSelectors); return rc; } /** * Sets the location of the persistent cache */ public void setPersistFile(File persistFile) { this.persistFile = persistFile; } public File getPersistFile() { return persistFile; } public boolean isSingleSelectorPerDestination() { return singleSelectorPerDestination; } public void setSingleSelectorPerDestination(boolean singleSelectorPerDestination) { this.singleSelectorPerDestination = singleSelectorPerDestination; } public long getPersistInterval() { return persistInterval; } public void setPersistInterval(long persistInterval) { this.persistInterval = persistInterval; } public boolean isIgnoreWildcardSelectors() { return ignoreWildcardSelectors; } public void setIgnoreWildcardSelectors(boolean ignoreWildcardSelectors) { this.ignoreWildcardSelectors = ignoreWildcardSelectors; } }