|
ActiveMQ example source code file (QueueConsumerPriorityTest.java)
The ActiveMQ QueueConsumerPriorityTest.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; 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.Assert; 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); } protected void setUp() throws Exception { super.setUp(); } 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); 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); Assert.assertNotNull("null on iteration: " + i, highConsumer.receive(500)); } Assert.assertNull(lowConsumer.receive(2000)); } finally { conn.close(); } } } Other ActiveMQ examples (source code examples)Here is a short list of links related to this ActiveMQ QueueConsumerPriorityTest.java source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.