ActiveMQ example source code file (StoreUsageTest.java)

This example ActiveMQ source code file (StoreUsageTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - ActiveMQ tags/keywords

activemqconnectionfactory, activemqconnectionfactory, brokerservice, brokerservice, connection, embeddedbrokertestsupport, exception, exception, override, producerthread, producerthread, session, storeusagetest, wait_time_mills

The ActiveMQ StoreUsageTest.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.usage;

import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.EmbeddedBrokerTestSupport;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.util.ProducerThread;
import org.apache.activemq.util.Wait;

import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.Session;

public class StoreUsageTest extends EmbeddedBrokerTestSupport {

    final int WAIT_TIME_MILLS = 20*1000;

    @Override
    protected BrokerService createBroker() throws Exception {
        BrokerService broker = super.createBroker();
        broker.getSystemUsage().getStoreUsage().setLimit(10 * 1024);
        broker.deleteAllMessages();
        return broker;
    }

    protected boolean isPersistent() {
        return true;
    }

    public void testJmx() throws Exception {
        ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://localhost");
        Connection conn = factory.createConnection();
        conn.start();
        Session sess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
        Destination dest = sess.createQueue(this.getClass().getName());
        final ProducerThread producer = new ProducerThread(sess, dest);
        producer.start();

        // wait for the producer to block
        Thread.sleep(WAIT_TIME_MILLS / 2);

        broker.getAdminView().setStoreLimit(1024 * 1024);

        Thread.sleep(WAIT_TIME_MILLS);

        Wait.waitFor(new Wait.Condition() {
            public boolean isSatisified() throws Exception {
                return producer.getSentCount() == producer.getMessageCount();
            }
        }, WAIT_TIME_MILLS * 2);

        assertEquals("Producer didn't send all messages", producer.getMessageCount(), producer.getSentCount());

    }
}