com.datatorrent.lib.io.jms.JMSTestBase.java Source code

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Here is the source code for com.datatorrent.lib.io.jms.JMSTestBase.java

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/**
 * 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 com.datatorrent.lib.io.jms;

import java.io.File;

import javax.jms.Connection;
import javax.jms.DeliveryMode;
import javax.jms.Destination;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;

import org.junit.After;
import org.junit.Before;

import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.commons.io.FileUtils;

/**
 * Base class for JMS operators test. <br/>
 * Setup the JMS service to serve the test
 */
public class JMSTestBase {
    public static String AMQ_BROKER_URL = "brokerURL";
    private BrokerService broker;

    /**
     * Start JMS broker from the Testcase.
     *
     * @throws Exception
     */
    private void startJMSService() throws Exception {
        broker = new BrokerService();
        String brokerName = "ActiveMQOutputOperator-broker";
        broker.setBrokerName(brokerName);
        broker.getPersistenceAdapter()
                .setDirectory(new File("target/activemq-data/" + broker.getBrokerName() + '/'
                        + org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter.class.getSimpleName())
                                .getAbsoluteFile());
        broker.addConnector("tcp://localhost:61617?broker.persistent=false");
        broker.getSystemUsage().getStoreUsage().setLimit(1024 * 1024 * 1024); // 1GB
        broker.getSystemUsage().getTempUsage().setLimit(100 * 1024 * 1024); // 100MB
        broker.setDeleteAllMessagesOnStartup(true);
        broker.start();
    }

    public void produceMsg(String text) throws Exception {
        // Create a ConnectionFactory
        ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://localhost");

        // Create a Connection
        Connection connection = connectionFactory.createConnection();
        connection.start();

        // Create a Session
        Session session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);

        // Create the destination (Topic or Queue)
        Destination destination = session.createQueue("TEST.FOO");

        // Create a MessageProducer from the Session to the Topic or Queue
        MessageProducer producer = session.createProducer(destination);
        producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);

        // Create a messages
        TextMessage message = session.createTextMessage(text);
        producer.send(message);

        // Clean up
        session.close();
        connection.close();
    }

    @Before
    public void beforTest() throws Exception {
        startJMSService();
    }

    @After
    public void afterTest() throws Exception {
        broker.stop();
        FileUtils.deleteDirectory(new File("target/activemq-data").getAbsoluteFile());
    }
}