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ActiveMQ example source code file (QueueDispatchSelector.java)
The ActiveMQ QueueDispatchSelector.java source code/** * 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.broker.region; import java.io.IOException; import java.util.List; import javax.jms.JMSException; import org.apache.activemq.broker.region.group.MessageGroupMap; import org.apache.activemq.broker.region.policy.SimpleDispatchSelector; import org.apache.activemq.command.ActiveMQDestination; import org.apache.activemq.command.ActiveMQMessage; import org.apache.activemq.command.ConsumerId; import org.apache.activemq.command.Message; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * Queue dispatch policy that determines if a message can be sent to a subscription * * @org.apache.xbean.XBean * */ public class QueueDispatchSelector extends SimpleDispatchSelector { private static final Logger LOG = LoggerFactory.getLogger(QueueDispatchSelector.class); private Subscription exclusiveConsumer; /** * @param destination */ public QueueDispatchSelector(ActiveMQDestination destination) { super(destination); } public Subscription getExclusiveConsumer() { return exclusiveConsumer; } public void setExclusiveConsumer(Subscription exclusiveConsumer) { this.exclusiveConsumer = exclusiveConsumer; } public boolean isExclusiveConsumer(Subscription s) { return s == this.exclusiveConsumer; } public boolean canSelect(Subscription subscription, MessageReference m) throws Exception { boolean result = super.canDispatch(subscription, m); if (result && !subscription.isBrowser()) { result = exclusiveConsumer == null || exclusiveConsumer == subscription; } return result; } } Other ActiveMQ examples (source code examples)Here is a short list of links related to this ActiveMQ QueueDispatchSelector.java source code file: |
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