/**
* 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 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.Queue;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.management.MBeanServerInvocationHandler;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import junit.framework.TestCase;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.jmx.QueueViewMBean;
public class QueuePurgeTest extends TestCase {
BrokerService broker;
ConnectionFactory factory;
Connection connection;
Session session;
Queue queue;
MessageConsumer consumer;
protected void setUp() throws Exception {
broker = new BrokerService();
broker.setUseJmx(true);
broker.setPersistent(false);
broker.addConnector("tcp://localhost:0");
broker.start();
factory = new ActiveMQConnectionFactory("vm://localhost");
connection = factory.createConnection();
connection.start();
}
protected void tearDown() throws Exception {
consumer.close();
session.close();
connection.stop();
connection.close();
broker.stop();
}
public void testPurgeQueueWithActiveConsumer() throws Exception {
createProducerAndSendMessages();
QueueViewMBean proxy = getProxyToQueueViewMBean();
createConsumer();
proxy.purge();
assertEquals("Queue size is not zero, it's " + proxy.getQueueSize(), 0,
proxy.getQueueSize());
}
private QueueViewMBean getProxyToQueueViewMBean()
throws MalformedObjectNameException, JMSException {
ObjectName queueViewMBeanName = new ObjectName("org.apache.activemq"
+ ":Type=Queue,Destination=" + queue.getQueueName()
+ ",BrokerName=localhost");
QueueViewMBean proxy = (QueueViewMBean) MBeanServerInvocationHandler
.newProxyInstance(broker.getManagementContext()
.getMBeanServer(), queueViewMBeanName,
QueueViewMBean.class, true);
return proxy;
}
private void createProducerAndSendMessages() throws Exception {
session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
queue = session.createQueue("test1");
MessageProducer producer = session.createProducer(queue);
for (int i = 0; i < 10000; i++) {
TextMessage message = session.createTextMessage("message " + i);
producer.send(message);
}
producer.close();
}
private void createConsumer() throws Exception {
consumer = session.createConsumer(queue);
// wait for buffer fill out
Thread.sleep(5 * 1000);
for (int i = 0; i < 100; ++i) {
Message message = consumer.receive();
message.acknowledge();
}
}
}