JobSchedulerTxTest.java

/**
 * 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.scheduler;

import javax.jms.Connection;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import org.apache.activemq.ScheduledMessage;
import org.junit.Test;

import static org.junit.Assert.assertEquals;

public class JobSchedulerTxTest extends JobSchedulerTestSupport {

   @Test
   public void testTxSendWithRollback() throws Exception {
      final int COUNT = 10;
      Connection connection = createConnection();

      Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
      MessageConsumer consumer = session.createConsumer(destination);
      final CountDownLatch latch = new CountDownLatch(COUNT);
      consumer.setMessageListener(new MessageListener() {
         @Override
         public void onMessage(Message message) {
            latch.countDown();
         }
      });

      connection.start();
      long time = 5000;
      Session producerSession = connection.createSession(true, Session.SESSION_TRANSACTED);
      MessageProducer producer = producerSession.createProducer(destination);

      for (int i = 0; i < COUNT; ++i) {
         TextMessage message = session.createTextMessage("test msg");
         message.setLongProperty(ScheduledMessage.AMQ_SCHEDULED_DELAY, time);
         producer.send(message);
      }
      producer.close();
      producerSession.rollback();

      // make sure the message isn't delivered early
      Thread.sleep(2000);
      assertEquals(COUNT, latch.getCount());
      latch.await(5, TimeUnit.SECONDS);
      assertEquals(COUNT, latch.getCount());
   }

   @Test
   public void testTxSendWithCommit() throws Exception {
      final int COUNT = 10;
      Connection connection = createConnection();

      Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
      MessageConsumer consumer = session.createConsumer(destination);
      final CountDownLatch latch = new CountDownLatch(COUNT);
      consumer.setMessageListener(new MessageListener() {
         @Override
         public void onMessage(Message message) {
            latch.countDown();
         }
      });

      connection.start();
      long time = 5000;
      Session producerSession = connection.createSession(true, Session.SESSION_TRANSACTED);
      MessageProducer producer = producerSession.createProducer(destination);

      for (int i = 0; i < COUNT; ++i) {
         TextMessage message = session.createTextMessage("test msg");
         message.setLongProperty(ScheduledMessage.AMQ_SCHEDULED_DELAY, time);
         producer.send(message);
      }
      producer.close();
      producerSession.commit();

      // make sure the message isn't delivered early
      Thread.sleep(2000);
      assertEquals(COUNT, latch.getCount());
      latch.await(5, TimeUnit.SECONDS);
      assertEquals(0, latch.getCount());
   }
}