| /** |
| * 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; |
| |
| import javax.jms.Connection; |
| import javax.jms.ConnectionFactory; |
| import javax.jms.JMSException; |
| import javax.jms.Message; |
| import javax.jms.MessageConsumer; |
| import javax.jms.MessageProducer; |
| import javax.jms.Session; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.activemq.command.ActiveMQQueue; |
| |
| public class QueueConsumerPriorityTest extends TestCase { |
| |
| private static final String VM_BROKER_URL = "vm://localhost?broker.persistent=false&broker.useJmx=true"; |
| |
| public QueueConsumerPriorityTest(String name) { |
| super(name); |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| super.tearDown(); |
| } |
| |
| private Connection createConnection(final boolean start) throws JMSException { |
| ConnectionFactory cf = new ActiveMQConnectionFactory(VM_BROKER_URL); |
| Connection conn = cf.createConnection(); |
| if (start) { |
| conn.start(); |
| } |
| return conn; |
| } |
| |
| public void testQueueConsumerPriority() throws JMSException, InterruptedException { |
| Connection conn = createConnection(true); |
| |
| Session consumerLowPriority = null; |
| Session consumerHighPriority = null; |
| Session senderSession = null; |
| |
| try { |
| |
| consumerLowPriority = conn.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| consumerHighPriority = conn.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| assertNotNull(consumerHighPriority); |
| senderSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| String queueName = getClass().getName(); |
| ActiveMQQueue low = new ActiveMQQueue(queueName+"?consumer.priority=1"); |
| MessageConsumer lowConsumer = consumerLowPriority.createConsumer(low); |
| |
| ActiveMQQueue high = new ActiveMQQueue(queueName+"?consumer.priority=2"); |
| MessageConsumer highConsumer = consumerLowPriority.createConsumer(high); |
| |
| ActiveMQQueue senderQueue = new ActiveMQQueue(queueName); |
| |
| MessageProducer producer = senderSession.createProducer(senderQueue); |
| |
| Message msg = senderSession.createTextMessage("test"); |
| for (int i =0; i< 10000;i++) { |
| producer.send(msg); |
| assertNotNull("null on iteration: " + i, highConsumer.receive(500)); |
| } |
| assertNull(lowConsumer.receive(2000)); |
| |
| } finally { |
| conn.close(); |
| } |
| } |
| } |
| |