content: /*
   * 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.artemis.jms.tests;
  
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import javax.jms.Connection;
  import javax.jms.DeliveryMode;
  import javax.jms.JMSException;
  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.artemis.jms.tests.util.ProxyAssertSupport;
  import org.junit.jupiter.api.Disabled;
  import org.junit.jupiter.api.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import java.lang.invoke.MethodHandles;
  
  public class TransactedSessionTest extends JMSTestCase {
  
     private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
     @Test
     public void testSimpleRollback() throws Exception {
        // send a message
        Connection conn = null;
  
        try {
           conn = createConnection();
           Session s = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
           s.createProducer(queue1).send(s.createTextMessage("one"));
  
           s.close();
  
           s = conn.createSession(true, Session.SESSION_TRANSACTED);
           MessageConsumer c = s.createConsumer(queue1);
           conn.start();
           Message m = c.receive(1000);
           ProxyAssertSupport.assertNotNull(m);
  
           ProxyAssertSupport.assertEquals("one", ((TextMessage) m).getText());
           ProxyAssertSupport.assertFalse(m.getJMSRedelivered());
           ProxyAssertSupport.assertEquals(1, m.getIntProperty("JMSXDeliveryCount"));
  
           s.rollback();
  
           // get the message again
           m = c.receive(1000);
           ProxyAssertSupport.assertNotNull(m);
  
           ProxyAssertSupport.assertTrue(m.getJMSRedelivered());
           ProxyAssertSupport.assertEquals(2, m.getIntProperty("JMSXDeliveryCount"));
  
           conn.close();
  
           Long i = getMessageCountForQueue("Queue1");
  
           ProxyAssertSupport.assertEquals(1, i.intValue());
        } finally {
           if (conn != null) {
              conn.close();
           }
           removeAllMessages(queue1.getQueueName(), true);
        }
     }
  
     @Test
     public void testRedeliveredFlagTopic() throws Exception {
        Connection conn = null;
  
        try {
           conn = createConnection();
  
           Session sessSend = conn.createSession(true, Session.SESSION_TRANSACTED);
           Session sess1 = conn.createSession(true, Session.SESSION_TRANSACTED);
           MessageConsumer consumer1 = sess1.createConsumer(ActiveMQServerTestCase.topic1);
  
           MessageProducer producer = sessSend.createProducer(ActiveMQServerTestCase.topic1);
           Message mSent = sessSend.createTextMessage("igloo");
           producer.send(mSent);
           sessSend.commit();
  
           conn.start();
  
           TextMessage mRec1 = (TextMessage) consumer1.receive(2000);
           ProxyAssertSupport.assertNotNull(mRec1);
  
           ProxyAssertSupport.assertEquals("igloo", mRec1.getText());
           ProxyAssertSupport.assertFalse(mRec1.getJMSRedelivered());
  
           sess1.rollback(); // causes redelivery for session
  
           mRec1 = (TextMessage) consumer1.receive(2000);
           ProxyAssertSupport.assertEquals("igloo", mRec1.getText());
           ProxyAssertSupport.assertTrue(mRec1.getJMSRedelivered());
  
           sess1.commit();
        } finally {
           if (conn != null) {
              conn.close();
           }
        }
     }
  
     /**
      * Test redelivery works ok for Topic
      */
     @Test
     public void testRedeliveredTopic() throws Exception {
        Connection conn = null;
  
        try {
           conn = createConnection();
  
           Session sess = conn.createSession(true, Session.SESSION_TRANSACTED);
           MessageProducer producer = sess.createProducer(ActiveMQServerTestCase.topic1);
  
           MessageConsumer consumer = sess.createConsumer(ActiveMQServerTestCase.topic1);
           conn.start();
  
           Message mSent = sess.createTextMessage("igloo");
           producer.send(mSent);
  
           sess.commit();
  
           TextMessage mRec = (TextMessage) consumer.receive(2000);
  
           ProxyAssertSupport.assertEquals("igloo", mRec.getText());
           ProxyAssertSupport.assertFalse(mRec.getJMSRedelivered());
  
           sess.rollback();
  
           mRec = (TextMessage) consumer.receive(2000);
  
           ProxyAssertSupport.assertNotNull(mRec);
           ProxyAssertSupport.assertEquals("igloo", mRec.getText());
           ProxyAssertSupport.assertTrue(mRec.getJMSRedelivered());
  
           sess.commit();
        } finally {
           if (conn != null) {
              conn.close();
           }
        }
     }
  
     @Test
     public void testReceivedRollbackTopic() throws Exception {
        Connection conn = null;
  
        try {
           conn = createConnection();
  
           Session sess = conn.createSession(true, Session.SESSION_TRANSACTED);
           MessageProducer producer = sess.createProducer(ActiveMQServerTestCase.topic1);
  
           MessageConsumer consumer = sess.createConsumer(ActiveMQServerTestCase.topic1);
           conn.start();
  
           logger.debug("sending message first time");
           TextMessage mSent = sess.createTextMessage("igloo");
           producer.send(mSent);
           logger.debug("sent message first time");
  
           sess.commit();
  
           TextMessage mRec = (TextMessage) consumer.receive(2000);
           ProxyAssertSupport.assertEquals("igloo", mRec.getText());
  
           sess.commit();
  
           logger.debug("sending message again");
           mSent.setText("rollback");
           producer.send(mSent);
           logger.debug("sent message again");
  
           sess.commit();
  
           mRec = (TextMessage) consumer.receive(2000);
           ProxyAssertSupport.assertEquals("rollback", mRec.getText());
           sess.rollback();
  
           TextMessage mRec2 = (TextMessage) consumer.receive(2000);
  
           sess.commit();
  
           ProxyAssertSupport.assertNotNull(mRec2);
  
           ProxyAssertSupport.assertEquals(mRec.getText(), mRec2.getText());
        } finally {
           if (conn != null) {
              conn.close();
           }
        }
     }
  
     /**
      * Send some messages in transacted session. Don't commit.
      * Verify message are not received by consumer.
      */
     @Test
     public void testSendNoCommitTopic() throws Exception {
        Connection conn = null;
  
        try {
           conn = createConnection();
  
           Session producerSess = conn.createSession(true, Session.SESSION_TRANSACTED);
           MessageProducer producer = producerSess.createProducer(ActiveMQServerTestCase.topic1);
  
           Session consumerSess = conn.createSession(false, Session.CLIENT_ACKNOWLEDGE);
           MessageConsumer consumer = consumerSess.createConsumer(ActiveMQServerTestCase.topic1);
           conn.start();
  
           final int NUM_MESSAGES = 10;
  
           // Send some messages
           for (int i = 0; i < NUM_MESSAGES; i++) {
              Message m = producerSess.createMessage();
              producer.send(m);
           }
  
           Message m = consumer.receiveNoWait();
           ProxyAssertSupport.assertNull(m);
        } finally {
           if (conn != null) {
              conn.close();
           }
        }
     }
  
     /**
      * Send some messages in transacted session. Commit.
      * Verify message are received by consumer.
      */
     @Test
     public void testSendCommitTopic() throws Exception {
        Connection conn = null;
  
        try {
           conn = createConnection();
  
           Session producerSess = conn.createSession(true, Session.SESSION_TRANSACTED);
           MessageProducer producer = producerSess.createProducer(ActiveMQServerTestCase.topic1);
  
           Session consumerSess = conn.createSession(false, Session.CLIENT_ACKNOWLEDGE);
           MessageConsumer consumer = consumerSess.createConsumer(ActiveMQServerTestCase.topic1);
           conn.start();
  
           final int NUM_MESSAGES = 10;
  
           // Send some messages
           for (int i = 0; i < NUM_MESSAGES; i++) {
              Message m = producerSess.createMessage();
              producer.send(m);
           }
  
           producerSess.commit();
  
           int count = 0;
           while (true) {
              Message m = consumer.receive(500);
              if (m == null) {
                 break;
              }
              count++;
           }
  
           ProxyAssertSupport.assertEquals(NUM_MESSAGES, count);
        } finally {
           if (conn != null) {
              conn.close();
           }
        }
     }
  
     /**
      * Send some messages.
      * Receive them in a transacted session.
      * Commit the receiving session
      * Close the connection
      * Create a new connection, session and consumer - verify messages are not redelivered
      */
     @Test
     public void testAckCommitTopic() throws Exception {
        Connection conn = null;
  
        try {
           conn = createConnection();
  
           Session producerSess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
           MessageProducer producer = producerSess.createProducer(ActiveMQServerTestCase.topic1);
  
           Session consumerSess = conn.createSession(true, Session.SESSION_TRANSACTED);
           MessageConsumer consumer = consumerSess.createConsumer(ActiveMQServerTestCase.topic1);
           conn.start();
  
           final int NUM_MESSAGES = 10;
  
           // Send some messages
           for (int i = 0; i < NUM_MESSAGES; i++) {
              Message m = producerSess.createMessage();
              producer.send(m);
           }
           int count = 0;
           while (true) {
              Message m = consumer.receive(500);
              if (m == null) {
                 break;
              }
              count++;
           }
  
           ProxyAssertSupport.assertEquals(NUM_MESSAGES, count);
  
           consumerSess.commit();
  
           conn.stop();
           consumer.close();
  
           conn.close();
  
           conn = createConnection();
  
           consumerSess = conn.createSession(true, Session.CLIENT_ACKNOWLEDGE);
           consumer = consumerSess.createConsumer(queue1);
           conn.start();
  
           Message m = consumer.receiveNoWait();
  
           ProxyAssertSupport.assertNull(m);
        } finally {
           if (conn != null) {
              conn.close();
           }
        }
  
     }
  
     /*
      * Send some messages in a transacted session.
      * Rollback the session.
      * Verify messages aren't received by consumer.
      */
  
     @Test
     public void testSendRollbackTopic() throws Exception {
        Connection conn = null;
  
        try {
           conn = createConnection();
  
           Session producerSess = conn.createSession(true, Session.SESSION_TRANSACTED);
           MessageProducer producer = producerSess.createProducer(ActiveMQServerTestCase.topic1);
  
           Session consumerSess = conn.createSession(false, Session.CLIENT_ACKNOWLEDGE);
           MessageConsumer consumer = consumerSess.createConsumer(ActiveMQServerTestCase.topic1);
           conn.start();
  
           final int NUM_MESSAGES = 10;
  
           // Send some messages
           for (int i = 0; i < NUM_MESSAGES; i++) {
              Message m = producerSess.createMessage();
              producer.send(m);
           }
  
           producerSess.rollback();
  
           Message m = consumer.receiveNoWait();
  
           ProxyAssertSupport.assertNull(m);
        } finally {
           if (conn != null) {
              conn.close();
           }
        }
     }
  
     /**
      * Make sure redelivered flag is set on redelivery via rollback
      */
     @Test
     public void testRedeliveredQueue() throws Exception {
        Connection conn = null;
  
        try {
           conn = createConnection();
  
           Session sess = conn.createSession(true, Session.SESSION_TRANSACTED);
           MessageProducer producer = sess.createProducer(queue1);
  
           MessageConsumer consumer = sess.createConsumer(queue1);
           conn.start();
  
           Message mSent = sess.createTextMessage("igloo");
           producer.send(mSent);
  
           sess.commit();
  
           TextMessage mRec = (TextMessage) consumer.receive(2000);
           ProxyAssertSupport.assertEquals("igloo", mRec.getText());
           ProxyAssertSupport.assertFalse(mRec.getJMSRedelivered());
  
           sess.rollback();
           mRec = (TextMessage) consumer.receive(2000);
           ProxyAssertSupport.assertEquals("igloo", mRec.getText());
           ProxyAssertSupport.assertTrue(mRec.getJMSRedelivered());
  
           sess.commit();
        } finally {
           if (conn != null) {
              conn.close();
           }
        }
  
     }
  
     /**
      * Make sure redelivered flag is set on redelivery via rollback, different setup: we close the rolled back session
      * and we receive the message whose acknowledgment was cancelled on a new session.
      */
     @Test
     public void testRedeliveredQueue2() throws Exception {
        Connection conn = null;
  
        try {
           conn = createConnection();
  
           Session sendSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
  
           MessageProducer prod = sendSession.createProducer(queue1);
           prod.send(sendSession.createTextMessage("a message"));
  
           conn.close();
  
           conn = createConnection();
           Session sess = conn.createSession(true, Session.SESSION_TRANSACTED);
  
           MessageConsumer cons = sess.createConsumer(queue1);
  
           conn.start();
  
           TextMessage tm = (TextMessage) cons.receive(1000);
           ProxyAssertSupport.assertNotNull(tm);
  
           ProxyAssertSupport.assertEquals("a message", tm.getText());
  
           ProxyAssertSupport.assertFalse(tm.getJMSRedelivered());
           ProxyAssertSupport.assertEquals(1, tm.getIntProperty("JMSXDeliveryCount"));
  
           sess.rollback();
  
           sess.close();
  
           Session sess2 = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
  
           cons = sess2.createConsumer(queue1);
  
           tm = (TextMessage) cons.receive(1000);
  
           ProxyAssertSupport.assertEquals("a message", tm.getText());
  
           ProxyAssertSupport.assertEquals(2, tm.getIntProperty("JMSXDeliveryCount"));
  
           ProxyAssertSupport.assertTrue(tm.getJMSRedelivered());
        } finally {
           if (conn != null) {
              conn.close();
           }
        }
     }
  
     @Test
     public void testReceivedRollbackQueue() throws Exception {
        Connection conn = createConnection();
  
        Session sess = conn.createSession(true, Session.SESSION_TRANSACTED);
        MessageProducer producer = sess.createProducer(queue1);
  
        MessageConsumer consumer = sess.createConsumer(queue1);
        conn.start();
  
        TextMessage mSent = sess.createTextMessage("igloo");
        producer.send(mSent);
        logger.trace("sent1");
  
        sess.commit();
  
        TextMessage mRec = (TextMessage) consumer.receive(1000);
        ProxyAssertSupport.assertNotNull(mRec);
        logger.trace("Got 1");
        ProxyAssertSupport.assertNotNull(mRec);
        ProxyAssertSupport.assertEquals("igloo", mRec.getText());
  
        sess.commit();
  
        mSent.setText("rollback");
        producer.send(mSent);
  
        sess.commit();
  
        logger.trace("Receiving 2");
        mRec = (TextMessage) consumer.receive(1000);
        ProxyAssertSupport.assertNotNull(mRec);
  
        logger.trace("Received 2");
        ProxyAssertSupport.assertNotNull(mRec);
        ProxyAssertSupport.assertEquals("rollback", mRec.getText());
  
        sess.rollback();
  
        TextMessage mRec2 = (TextMessage) consumer.receive(1000);
        ProxyAssertSupport.assertNotNull(mRec2);
        ProxyAssertSupport.assertEquals("rollback", mRec2.getText());
  
        sess.commit();
  
        ProxyAssertSupport.assertEquals(mRec.getText(), mRec2.getText());
  
        conn.close();
     }
  
     /**
      * Send some messages in transacted session. Don't commit.
      * Verify message are not received by consumer.
      */
     @Test
     public void testSendNoCommitQueue() throws Exception {
        Connection conn = null;
  
        try {
           conn = createConnection();
  
           Session producerSess = conn.createSession(true, Session.CLIENT_ACKNOWLEDGE);
           MessageProducer producer = producerSess.createProducer(queue1);
  
           Session consumerSess = conn.createSession(false, Session.CLIENT_ACKNOWLEDGE);
           MessageConsumer consumer = consumerSess.createConsumer(queue1);
           conn.start();
  
           final int NUM_MESSAGES = 10;
  
           // Send some messages
           for (int i = 0; i < NUM_MESSAGES; i++) {
              Message m = producerSess.createMessage();
              producer.send(m);
           }
  
           checkEmpty(queue1);
        } finally {
           if (conn != null) {
              conn.close();
           }
        }
     }
  
     /**
      * Send some messages in transacted session. Commit.
      * Verify message are received by consumer.
      */
     @Test
     public void testSendCommitQueue() throws Exception {
        Connection conn = null;
  
        try {
           conn = createConnection();
  
           Session producerSess = conn.createSession(true, Session.CLIENT_ACKNOWLEDGE);
           MessageProducer producer = producerSess.createProducer(queue1);
  
           Session consumerSess = conn.createSession(false, Session.CLIENT_ACKNOWLEDGE);
           MessageConsumer consumer = consumerSess.createConsumer(queue1);
           conn.start();
  
           final int NUM_MESSAGES = 10;
  
           // Send some messages
           for (int i = 0; i < NUM_MESSAGES; i++) {
              Message m = producerSess.createMessage();
              producer.send(m);
           }
  
           producerSess.commit();
  
           int count = 0;
           while (true) {
              Message m = consumer.receive(500);
              if (m == null) {
                 break;
              }
              count++;
           }
  
           ProxyAssertSupport.assertEquals(NUM_MESSAGES, count);
        } finally {
           if (conn != null) {
              conn.close();
           }
           removeAllMessages(queue1.getQueueName(), true);
        }
  
     }
  
     @Test
     @Disabled
     public void _testSendCommitQueueCommitsInOrder() throws Exception {
        Connection conn = null;
  
        try {
           conn = createConnection();
  
           Session producerSess = conn.createSession(true, Session.CLIENT_ACKNOWLEDGE);
           MessageProducer producer = producerSess.createProducer(queue1);
           producer.setDeliveryMode(DeliveryMode.PERSISTENT);
  
           Session consumerSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
           MessageConsumer consumer = consumerSession.createConsumer(queue1);
           CountDownLatch latch = new CountDownLatch(1);
           conn.start();
           myReceiver myReceiver = new myReceiver(latch, conn);
           consumer.setMessageListener(myReceiver);
           long lastBatchTime = System.currentTimeMillis();
           int sentId = 0;
           boolean started = false;
           // Send some messages
           while (true) {
              try {
                 Message m = producerSess.createMessage();
                 m.setIntProperty("foo", sentId);
                 sentId++;
                 producer.send(m);
  
                 if (sentId == 1 || System.currentTimeMillis() - lastBatchTime > 50) {
                    lastBatchTime = System.currentTimeMillis();
                    producerSess.commit();
                 }
              } catch (JMSException e) {
                 //ignore connection closed by consumer
              }
  
              // wait for the first message to be received before we continue sending
              if (!started) {
                 assertTrue(latch.await(5, TimeUnit.SECONDS));
                 started = true;
              } else {
                 if (myReceiver.failed) {
                    throw myReceiver.e;
                 }
              }
           }
  
        } finally {
           if (conn != null) {
              conn.close();
           }
           removeAllMessages(queue1.getQueueName(), true);
        }
  
     }
  
     class myReceiver implements MessageListener {
  
        int count = 0;
        boolean started = false;
        private final CountDownLatch startLatch;
        boolean failed = false;
        Exception e = null;
  
        private final Connection conn;
  
        myReceiver(CountDownLatch startLatch, Connection conn) {
           this.startLatch = startLatch;
           this.conn = conn;
        }
  
        @Override
        public void onMessage(Message message) {
           if (!started) {
              startLatch.countDown();
              started = true;
           }
           try {
              int foo = message.getIntProperty("foo");
              if (foo != count) {
                 e = new Exception("received out of order expected " + count + " received " + foo);
                 failed = true;
                 conn.close();
              }
              count++;
           } catch (JMSException e) {
  
              this.e = e;
              failed = true;
              try {
                 conn.close();
              } catch (JMSException e1) {
                 e1.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
              }
           }
        }
     }
  
     /**
      * Test IllegalStateException is thrown if commit is called on a non-transacted session
      */
     @Test
     public void testCommitIllegalState() throws Exception {
        Connection conn = null;
  
        try {
           conn = createConnection();
  
           Session producerSess = conn.createSession(false, Session.CLIENT_ACKNOWLEDGE);
  
           boolean thrown = false;
           try {
              producerSess.commit();
           } catch (javax.jms.IllegalStateException e) {
              thrown = true;
           }
  
           ProxyAssertSupport.assertTrue(thrown);
        } finally {
           if (conn != null) {
              conn.close();
           }
        }
     }
  
     /**
      * Send some messages.
      * Receive them in a transacted session.
      * Do not commit the receiving session.
      * Close the connection
      * Create a new connection, session and consumer - verify messages are redelivered
      */
     @Test
     public void testAckNoCommitQueue() throws Exception {
        Connection conn = null;
  
        try {
  
           conn = createConnection();
  
           Session producerSess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
           MessageProducer producer = producerSess.createProducer(queue1);
  
           Session consumerSess = conn.createSession(true, Session.CLIENT_ACKNOWLEDGE);
           MessageConsumer consumer = consumerSess.createConsumer(queue1);
           conn.start();
  
           final int NUM_MESSAGES = 10;
  
           // Send some messages
           for (int i = 0; i < NUM_MESSAGES; i++) {
              Message m = producerSess.createMessage();
              producer.send(m);
           }
  
           int count = 0;
           while (true) {
              Message m = consumer.receive(500);
              if (m == null) {
                 break;
              }
              count++;
           }
  
           ProxyAssertSupport.assertEquals(NUM_MESSAGES, count);
  
           conn.stop();
           consumer.close();
  
           conn.close();
  
           conn = createConnection();
  
           consumerSess = conn.createSession(true, Session.CLIENT_ACKNOWLEDGE);
           consumer = consumerSess.createConsumer(queue1);
           conn.start();
  
           count = 0;
  
           while (true) {
              Message m = consumer.receive(500);
              if (m == null) {
                 break;
              }
              count++;
           }
  
           ProxyAssertSupport.assertEquals(NUM_MESSAGES, count);
        } finally {
           if (conn != null) {
              conn.close();
           }
           removeAllMessages(queue1.getQueueName(), true);
        }
     }
  
     /**
      * Send some messages.
      * Receive them in a transacted session.
      * Commit the receiving session
      * Close the connection
      * Create a new connection, session and consumer - verify messages are not redelivered
      */
     @Test
     public void testAckCommitQueue() throws Exception {
        Connection conn = null;
  
        try {
           conn = createConnection();
  
           Session producerSess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
           MessageProducer producer = producerSess.createProducer(queue1);
  
           Session consumerSess = conn.createSession(true, Session.SESSION_TRANSACTED);
           MessageConsumer consumer = consumerSess.createConsumer(queue1);
           conn.start();
  
           final int NUM_MESSAGES = 10;
  
           // Send some messages
           for (int i = 0; i < NUM_MESSAGES; i++) {
              Message m = producerSess.createMessage();
              producer.send(m);
           }
  
           int count = 0;
           while (true) {
              Message m = consumer.receive(500);
              if (m == null) {
                 break;
              }
              count++;
           }
  
           ProxyAssertSupport.assertEquals(NUM_MESSAGES, count);
  
           consumerSess.commit();
  
           conn.stop();
           consumer.close();
  
           conn.close();
  
           conn = createConnection();
  
           consumerSess = conn.createSession(true, Session.CLIENT_ACKNOWLEDGE);
           consumer = consumerSess.createConsumer(queue1);
           conn.start();
  
           Message m = consumer.receiveNoWait();
  
           ProxyAssertSupport.assertNull(m);
        } finally {
           if (conn != null) {
              conn.close();
           }
        }
  
     }
  
     /*
      * Send some messages in a transacted session.
      * Rollback the session.
      * Verify messages aren't received by consumer.
      */
  
     @Test
     public void testSendRollbackQueue() throws Exception {
        Connection conn = null;
  
        try {
           conn = createConnection();
  
           Session producerSess = conn.createSession(true, Session.AUTO_ACKNOWLEDGE);
           MessageProducer producer = producerSess.createProducer(queue1);
  
           Session consumerSess = conn.createSession(false, Session.CLIENT_ACKNOWLEDGE);
           MessageConsumer consumer = consumerSess.createConsumer(queue1);
           conn.start();
  
           final int NUM_MESSAGES = 10;
  
           // Send some messages
           for (int i = 0; i < NUM_MESSAGES; i++) {
              Message m = producerSess.createMessage();
              producer.send(m);
           }
  
           producerSess.rollback();
  
           Message m = consumer.receiveNoWait();
  
           ProxyAssertSupport.assertNull(m);
        } finally {
           if (conn != null) {
              conn.close();
           }
        }
     }
  
     /**
      * Test IllegalStateException is thrown if rollback is called on a non-transacted session
      */
     @Test
     public void testRollbackIllegalState() throws Exception {
        Connection conn = createConnection();
  
        Session producerSess = conn.createSession(false, Session.CLIENT_ACKNOWLEDGE);
  
        boolean thrown = false;
        try {
           producerSess.rollback();
        } catch (javax.jms.IllegalStateException e) {
           thrown = true;
        }
  
        ProxyAssertSupport.assertTrue(thrown);
     }
  
     /*
      * Send some messages.
      * Receive them in a transacted session.
      * Rollback the receiving session
      * Close the connection
      * Create a new connection, session and consumer - verify messages are redelivered
      */
  
     @Test
     public void testAckRollbackQueue() throws Exception {
        Connection conn = null;
  
        try {
           conn = createConnection();
  
           Session producerSess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
           MessageProducer producer = producerSess.createProducer(queue1);
  
           Session consumerSess = conn.createSession(true, Session.CLIENT_ACKNOWLEDGE);
           MessageConsumer consumer = consumerSess.createConsumer(queue1);
           conn.start();
  
           final int NUM_MESSAGES = 10;
  
           // Send some messages
           for (int i = 0; i < NUM_MESSAGES; i++) {
              Message m = producerSess.createMessage();
              producer.send(m);
           }
  
           int count = 0;
           while (true) {
              Message m = consumer.receive(500);
              if (m == null) {
                 break;
              }
              count++;
           }
  
           ProxyAssertSupport.assertEquals(NUM_MESSAGES, count);
  
           consumerSess.rollback();
  
           conn.stop();
           consumer.close();
  
           conn.close();
  
           conn = createConnection();
  
           consumerSess = conn.createSession(true, Session.CLIENT_ACKNOWLEDGE);
           consumer = consumerSess.createConsumer(queue1);
           conn.start();
  
           count = 0;
           while (true) {
              Message m = consumer.receive(500);
              if (m == null) {
                 break;
              }
              count++;
           }
  
           ProxyAssertSupport.assertEquals(NUM_MESSAGES, count);
  
        } finally {
           if (conn != null) {
              conn.close();
           }
           removeAllMessages(queue1.getQueueName(), true);
        }
  
     }
  
     /**
      * Send multiple messages in multiple contiguous sessions
      */
     @Test
     public void testSendMultipleQueue() throws Exception {
        Connection conn = createConnection();
  
        Session producerSess = conn.createSession(true, Session.AUTO_ACKNOWLEDGE);
        MessageProducer producer = producerSess.createProducer(queue1);
  
        Session consumerSess = conn.createSession(false, Session.CLIENT_ACKNOWLEDGE);
        MessageConsumer consumer = consumerSess.createConsumer(queue1);
        conn.start();
  
        final int NUM_MESSAGES = 10;
        final int NUM_TX = 10;
  
        // Send some messages
  
        for (int j = 0; j < NUM_TX; j++) {
           for (int i = 0; i < NUM_MESSAGES; i++) {
              Message m = producerSess.createMessage();
              producer.send(m);
           }
  
           producerSess.commit();
        }
  
        int count = 0;
        while (true) {
           Message m = consumer.receive(500);
           if (m == null) {
              break;
           }
           count++;
           m.acknowledge();
        }
  
        ProxyAssertSupport.assertEquals(NUM_MESSAGES * NUM_TX, count);
     }
  
  
  }
  