org.apache.activemq.plugin.SubQueueSelectorCacheBrokerPlugin Maven / Gradle / Ivy
/**
* 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 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.
*
* This stops the build-up of unwanted messages, especially when consumers may
* disconnect from time to time when using virtual destinations.
*
* This is influenced by code snippets developed by Maciej Rakowicz
*
* @author Roelof Naude roelof(dot)naude(at)gmail.com
*@org.apache.xbean.XBean element="virtualSelectorCacheBrokerPlugin"
*/
public class SubQueueSelectorCacheBrokerPlugin implements BrokerPlugin {
private File persistFile;
@Override
public Broker installPlugin(Broker broker) throws Exception {
return new SubQueueSelectorCacheBroker(broker, persistFile);
}
/**
* Sets the location of the persistent cache
*/
public void setPersistFile(File persistFile) {
this.persistFile = persistFile;
}
public File getPersistFile() {
return persistFile;
}
}