Package org.springframework.batch.container.jms

Source Code of org.springframework.batch.container.jms.BatchMessageListenerContainerIntegrationTests

/*
* Copyright 2006-2007 the original author or authors.
*
* Licensed 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.springframework.batch.container.jms;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

import java.util.SortedSet;
import java.util.TreeSet;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;

import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.TextMessage;

import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jms.core.JmsTemplate;
import org.springframework.retry.RecoveryCallback;
import org.springframework.retry.RetryCallback;
import org.springframework.retry.RetryContext;
import org.springframework.retry.policy.NeverRetryPolicy;
import org.springframework.retry.support.DefaultRetryState;
import org.springframework.retry.support.RetryTemplate;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

/**
* @author Dave Syer
*
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "/org/springframework/batch/jms/jms-context.xml")
@DirtiesContext
public class BatchMessageListenerContainerIntegrationTests {

  @Autowired
  private JmsTemplate jmsTemplate;

  @Autowired
  private BatchMessageListenerContainer container;

  private volatile BlockingQueue<String> recovered = new LinkedBlockingQueue<String>();

  private volatile BlockingQueue<String> processed = new LinkedBlockingQueue<String>();

  @After
  @Before
  public void drainQueue() throws Exception {
    container.stop();
    while (jmsTemplate.receiveAndConvert("queue") != null) {
      // do nothing
    }
    processed.clear();
  }

  @AfterClass
  public static void giveContainerTimeToStop() throws Exception {
    Thread.sleep(1000);
  }

  @Test
  public void testConfiguration() throws Exception {
    assertNotNull(container);
  }

  @Test
  public void testSendAndReceive() throws Exception {
    container.setMessageListener(new MessageListener() {
      @Override
      public void onMessage(Message msg) {
        try {
          processed.add(((TextMessage) msg).getText());
        }
        catch (JMSException e) {
          throw new IllegalStateException(e);
        }
      }
    });
    container.initializeProxy();
    container.start();
    jmsTemplate.convertAndSend("queue", "foo");
    jmsTemplate.convertAndSend("queue", "bar");
    SortedSet<String> result = new TreeSet<String>();
    for (int i = 0; i < 2; i++) {
      result.add(processed.poll(5, TimeUnit.SECONDS));
    }
    assertEquals("[bar, foo]", result.toString());
  }

  @Test
  public void testFailureAndRepresent() throws Exception {
    container.setMessageListener(new MessageListener() {
      @Override
      public void onMessage(Message msg) {
        try {
          processed.add(((TextMessage) msg).getText());
        }
        catch (JMSException e) {
          throw new IllegalStateException(e);
        }
        throw new RuntimeException("planned failure for represent: " + msg);
      }
    });
    container.initializeProxy();
    container.start();
    jmsTemplate.convertAndSend("queue", "foo");
    for (int i = 0; i < 2; i++) {
      assertEquals("foo", processed.poll(5, TimeUnit.SECONDS));
    }
  }

  @Test
  public void testFailureAndRecovery() throws Exception {
    final RetryTemplate retryTemplate = new RetryTemplate();
    retryTemplate.setRetryPolicy(new NeverRetryPolicy());
    container.setMessageListener(new MessageListener() {
      @Override
      public void onMessage(final Message msg) {
        try {
          RetryCallback<Message, Exception> callback = new RetryCallback<Message, Exception>() {
            @Override
            public Message doWithRetry(RetryContext context) throws Exception {
              try {
                processed.add(((TextMessage) msg).getText());
              }
              catch (JMSException e) {
                throw new IllegalStateException(e);
              }
              throw new RuntimeException("planned failure: " + msg);
            }
          };
          RecoveryCallback<Message> recoveryCallback = new RecoveryCallback<Message>() {
            @Override
            public Message recover(RetryContext context) {
              try {
                recovered.add(((TextMessage) msg).getText());
              }
              catch (JMSException e) {
                throw new IllegalStateException(e);
              }
              return msg;
            }
          };
          retryTemplate.execute(callback, recoveryCallback, new DefaultRetryState(msg.getJMSMessageID()));
        }
        catch (Exception e) {
          throw (RuntimeException) e;
        }
      }
    });
    container.initializeProxy();
    container.start();
    jmsTemplate.convertAndSend("queue", "foo");
    assertEquals("foo", processed.poll(5, TimeUnit.SECONDS));
    assertEquals("foo", recovered.poll(5, TimeUnit.SECONDS));
  }

}
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