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ActiveMQ example source code file (ConcurrentConnectSimulationTest.java)

This example ActiveMQ source code file (ConcurrentConnectSimulationTest.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

brokertestsupport, concurrentconnectsimulationtest, connectioninfo, consumerid, consumerid, consumerinfo, consumerinfo, exception, stubconnection, stubconnection, test, test

The ActiveMQ ConcurrentConnectSimulationTest.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.broker;

import junit.framework.Test;

import org.apache.activemq.advisory.AdvisorySupport;
import org.apache.activemq.command.ConnectionInfo;
import org.apache.activemq.command.ConsumerId;
import org.apache.activemq.command.ConsumerInfo;
import org.apache.activemq.command.SessionId;

public class ConcurrentConnectSimulationTest extends BrokerTestSupport {

    /*
     * simulate failover and retry of connection before broker has killed connection
     * which appears as a concurrent connect request to the broker
     * see: https://issues.apache.org/activemq/browse/AMQ-2241
     */
    public void testConcurrentConnection() throws Exception {

        StubConnection connection1 = createConnection();
        StubConnection connection2 = createConnection();
        
        // reuse same connection info
        ConnectionInfo connectionInfo = createConnectionInfo();       
        connection1.request(connectionInfo);
        connection2.request(connectionInfo);
        
        // second one should win out, verify using consumer on default session (watchAdvisories)
        ConsumerId consumerId = new ConsumerId(new SessionId(connectionInfo.getConnectionId(), -1), 1);
        ConsumerInfo consumerInfo = new ConsumerInfo(consumerId);
        consumerInfo.setDestination(AdvisorySupport.TEMP_DESTINATION_COMPOSITE_ADVISORY_TOPIC);

        connection2.request(consumerInfo);
    }
    
    public static Test suite() {
        return suite(ConcurrentConnectSimulationTest.class);
    }

    public static void main(String[] args) {
        junit.textui.TestRunner.run(suite());
    }
}

Other ActiveMQ examples (source code examples)

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

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