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ActiveMQ example source code file (ExpiryHogTest.java)

This example ActiveMQ source code file (ExpiryHogTest.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

brokerservice, brokerservice, connectionfactory, exception, exception, expiryhogtest, kahadbpersistenceadapter, override, policyentry, policymap, policymap, string, textmessage, textmessage, threading, threads

The ActiveMQ ExpiryHogTest.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 java.util.concurrent.TimeUnit;
import javax.jms.ConnectionFactory;
import javax.jms.Session;
import javax.jms.TextMessage;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.region.policy.PolicyEntry;
import org.apache.activemq.broker.region.policy.PolicyMap;
import org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter;

/**
 * User: gtully
 */
public class ExpiryHogTest extends JmsMultipleClientsTestSupport {
    boolean sleep = false;

    int numMessages = 4;

    public void testImmediateDispatchWhenCacheDisabled() throws Exception {
        ConnectionFactory f = createConnectionFactory();
        destination = createDestination();
        startConsumers(f, destination);
        sleep = true;
        this.startProducers(f, destination, numMessages);
        allMessagesList.assertMessagesReceived(numMessages);
    }

    protected BrokerService createBroker() throws Exception {
        BrokerService bs = new BrokerService();
        bs.setDeleteAllMessagesOnStartup(true);
        PolicyMap policyMap = new PolicyMap();
        PolicyEntry defaultEntry = new PolicyEntry();
        defaultEntry.setExpireMessagesPeriod(5000);
        defaultEntry.setUseCache(false);
        policyMap.setDefaultEntry(defaultEntry);
        bs.setDestinationPolicy(policyMap);

        KahaDBPersistenceAdapter ad = (KahaDBPersistenceAdapter) bs.getPersistenceAdapter();
        ad.setConcurrentStoreAndDispatchQueues(true);
        return bs;
    }

    protected TextMessage createTextMessage(Session session, String initText) throws Exception {
        if (sleep) {
            TimeUnit.SECONDS.sleep(10);
        }
        TextMessage msg = super.createTextMessage(session, initText);
        msg.setJMSExpiration(4000);
        return msg;
    }

    @Override
    protected void setUp() throws Exception {
        autoFail = false;
        persistent = true;
        super.setUp();
    }
}

Other ActiveMQ examples (source code examples)

Here is a short list of links related to this ActiveMQ ExpiryHogTest.java source code file:

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