ActiveMQ example source code file (KahaDBStoreRecoveryBrokerTest.java)

This example ActiveMQ source code file (KahaDBStoreRecoveryBrokerTest.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

arraylist, brokerservice, brokerservice, exception, exception, file, io, kahadbstore, kahadbstore, message, message, message_count, message_count/2, messageack, net, network, test, util

The ActiveMQ KahaDBStoreRecoveryBrokerTest.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.store.kahadb;

import java.io.File;
import java.net.URI;
import java.util.ArrayList;

import junit.framework.Test;

import org.apache.activemq.broker.BrokerFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.RecoveryBrokerTest;
import org.apache.activemq.broker.StubConnection;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.command.ConnectionInfo;
import org.apache.activemq.command.ConsumerInfo;
import org.apache.activemq.command.Message;
import org.apache.activemq.command.MessageAck;
import org.apache.activemq.command.ProducerInfo;
import org.apache.activemq.command.SessionInfo;


/**
 * Used to verify that recovery works correctly against 
 * 
 * 
 */
public class KahaDBStoreRecoveryBrokerTest extends RecoveryBrokerTest {

    protected BrokerService createBroker() throws Exception {
        BrokerService broker = new BrokerService();
        KahaDBStore kaha = new KahaDBStore();
        kaha.setDirectory(new File("target/activemq-data/kahadb"));
        kaha.deleteAllMessages();
        broker.setPersistenceAdapter(kaha);
        return broker;
    }
    
    protected BrokerService createRestartedBroker() throws Exception {
        BrokerService broker = new BrokerService();
        KahaDBStore kaha = new KahaDBStore();
        kaha.setDirectory(new File("target/activemq-data/kahadb"));
        broker.setPersistenceAdapter(kaha);
        return broker;
    }
    
    public static Test suite() {
        return suite(KahaDBStoreRecoveryBrokerTest.class);
    }
    
    public static void main(String[] args) {
        junit.textui.TestRunner.run(suite());
    }

    
    public void testLargeQueuePersistentMessagesNotLostOnRestart() throws Exception {

        ActiveMQDestination destination = new ActiveMQQueue("TEST");

        // Setup the producer and send the message.
        StubConnection connection = createConnection();
        ConnectionInfo connectionInfo = createConnectionInfo();
        SessionInfo sessionInfo = createSessionInfo(connectionInfo);
        ProducerInfo producerInfo = createProducerInfo(sessionInfo);
        connection.send(connectionInfo);
        connection.send(sessionInfo);
        connection.send(producerInfo);
        
        ArrayList<String> expected = new ArrayList();
        
        int MESSAGE_COUNT = 10000;
        for(int i=0; i < MESSAGE_COUNT; i++) {
            Message message = createMessage(producerInfo, destination);
            message.setPersistent(true);
            connection.send(message);
            expected.add(message.getMessageId().toString());
        }
        connection.request(closeConnectionInfo(connectionInfo));

        // restart the broker.
        restartBroker();

        // Setup the consumer and receive the message.
        connection = createConnection();
        connectionInfo = createConnectionInfo();
        sessionInfo = createSessionInfo(connectionInfo);
        connection.send(connectionInfo);
        connection.send(sessionInfo);
        ConsumerInfo consumerInfo = createConsumerInfo(sessionInfo, destination);
        connection.send(consumerInfo);
        producerInfo = createProducerInfo(sessionInfo);
        connection.send(producerInfo);

        for(int i=0; i < MESSAGE_COUNT/2; i++) {
            Message m = receiveMessage(connection);
            assertNotNull("Should have received message "+expected.get(0)+" by now!", m);
            assertEquals(expected.remove(0), m.getMessageId().toString());
            MessageAck ack = createAck(consumerInfo, m, 1, MessageAck.STANDARD_ACK_TYPE);
            connection.send(ack);
        }
        
        connection.request(closeConnectionInfo(connectionInfo));
        
        // restart the broker.
        restartBroker();

        // Setup the consumer and receive the message.
        connection = createConnection();
        connectionInfo = createConnectionInfo();
        sessionInfo = createSessionInfo(connectionInfo);
        connection.send(connectionInfo);
        connection.send(sessionInfo);
        consumerInfo = createConsumerInfo(sessionInfo, destination);
        connection.send(consumerInfo);

        for(int i=0; i < MESSAGE_COUNT/2; i++) {
            Message m = receiveMessage(connection);
            assertNotNull("Should have received message "+expected.get(i)+" by now!", m);
            assertEquals(expected.get(i), m.getMessageId().toString());
            MessageAck ack = createAck(consumerInfo, m, 1, MessageAck.STANDARD_ACK_TYPE);
            connection.send(ack);
            
            
        }
        
        connection.request(closeConnectionInfo(connectionInfo));
    }
}