Examples of XAConnection

javax.jms.XAConnection
@version $Rev: 46019 $ $Date: 2004-09-14 03:56:06 -0600 (Tue, 14 Sep 2004) $
javax.sql.XAConnection

An XAConnection object provides support for distributed transactions. An XAConnection may be enlisted in a distributed transaction by means of an XAResource object.
org.objectweb.joram.client.jms.XAConnection
Connection used within global transactions; an instance of this class acts as a resource manager.

Examples of javax.jms.XAConnection

   }




   public void testOneSessionTwoTransactionsCommitSend() throws Exception
   {
      XAConnection conn = null;


      Connection conn2 = null;


      try
      {


         conn = cf.createXAConnection();


         //Create a session
         XASession sess1 = conn.createXASession();
         XAResource res1 = sess1.getXAResource();


         MessageProducer prod1 = sess1.createProducer(queue);


         tm.begin();


         Transaction tx1 = tm.getTransaction();
         tx1.enlistResource(res1);


         //Send a message
         prod1.send(sess1.createTextMessage("kangaroo1"));


         //suspend the tx
         Transaction suspended = tm.suspend();


         tm.begin();


         //Send another message in another tx using the same session
         Transaction tx2 = tm.getTransaction();
         tx2.enlistResource(res1);


         //Send a message
         prod1.send(sess1.createTextMessage("kangaroo2"));


         tx2.delistResource(res1, XAResource.TMSUCCESS);
         
         //commit this transaction
         tm.commit();


         //verify only kangaroo2 message is sent
         conn2 = cf.createConnection();
         Session sess = conn2.createSession(false, Session.AUTO_ACKNOWLEDGE);
         conn2.start();
         MessageConsumer cons = sess.createConsumer(queue);
         TextMessage r1 = (TextMessage)cons.receive(MAX_TIMEOUT);
         assertNotNull(r1);
         assertEquals("kangaroo2", r1.getText());
         TextMessage r2 = (TextMessage)cons.receive(MIN_TIMEOUT);
         assertNull(r2);


         //now resume the first tx and then commit it
         tm.resume(suspended);
         
         tx1.delistResource(res1, XAResource.TMSUCCESS);
         
         tm.commit();


         //verify that the first text message is received
         TextMessage r3 = (TextMessage)cons.receive(MAX_TIMEOUT);
         assertNotNull(r3);
         assertEquals("kangaroo1", r3.getText());


      }
      finally
      {
         if (conn != null)
         {
            conn.close();
         }
         if (conn2 != null)
         {
            conn2.close();
         }

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Examples of javax.jms.XAConnection

   }




   public void testOneSessionTwoTransactionsRollbackSend() throws Exception
   {
      XAConnection conn = null;


      Connection conn2 = null;


      try
      {


         conn = cf.createXAConnection();


         //Create a session
         XASession sess1 = conn.createXASession();
         XAResource res1 = sess1.getXAResource();


         MessageProducer prod1 = sess1.createProducer(queue);


         tm.begin();


         Transaction tx1 = tm.getTransaction();
         tx1.enlistResource(res1);


         //Send a message
         prod1.send(sess1.createTextMessage("kangaroo1"));


         //suspend the tx
         Transaction suspended = tm.suspend();


         tm.begin();


         //Send another message in another tx using the same session
         Transaction tx2 = tm.getTransaction();
         tx2.enlistResource(res1);


         //Send a message
         prod1.send(sess1.createTextMessage("kangaroo2"));


         tx2.delistResource(res1, XAResource.TMSUCCESS);
         
         //rollback this transaction
         tm.rollback();


         //verify no messages are sent
         conn2 = cf.createConnection();
         Session sess = conn2.createSession(false, Session.AUTO_ACKNOWLEDGE);
         conn2.start();
         MessageConsumer cons = sess.createConsumer(queue);
         TextMessage r1 = (TextMessage)cons.receive(MIN_TIMEOUT);


         assertNull(r1);




         //now resume the first tx and then commit it
         tm.resume(suspended);
         
         tx1.delistResource(res1, XAResource.TMSUCCESS);
         
         tm.commit();


         //verify that the first text message is received
         TextMessage r3 = (TextMessage)cons.receive(MAX_TIMEOUT);
         assertNotNull(r3);
         assertEquals("kangaroo1", r3.getText());


      }
      finally
      {
         if (conn != null)
         {
            conn.close();
         }
         if (conn2 != null)
         {
            conn2.close();
         }

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Examples of javax.jms.XAConnection

   
   //See http://jira.jboss.com/jira/browse/JBMESSAGING-638
   public void testResourceManagerMemoryLeakOnCommit() throws Exception
   {


      XAConnection xaConn = null;
      
      try
      {
         xaConn = cf.createXAConnection();
         
         JBossConnection jbConn = (JBossConnection)xaConn;
         
         ClientConnectionDelegate del = (ClientConnectionDelegate)jbConn.getDelegate();
         
         ConnectionState state = (ConnectionState)del.getState();
         
         ResourceManager rm = state.getResourceManager();
         
         XASession xaSession = xaConn.createXASession();
         
         xaConn.start();
         
         XAResource res = xaSession.getXAResource();
         
         XAResource dummy = new DummyXAResource();
         
         for (int i = 0; i < 100; i++)
         {
            
            tm.begin();
                     
            Transaction tx = tm.getTransaction();
            
            tx.enlistResource(res);
            
            tx.enlistResource(dummy);
            
            assertEquals(1, rm.size());
            
            tx.delistResource(res, XAResource.TMSUCCESS);
            
            tx.delistResource(dummy, XAResource.TMSUCCESS);
            
            tm.commit();
         }                  
         
         assertEquals(1, rm.size());
         
         xaConn.close();
         
         xaConn = null;
         
         assertEquals(0, rm.size());


      }
      finally
      {
         if (xaConn != null)
         {
            xaConn.close();
         }
      }
   }

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Examples of javax.jms.XAConnection

   }
   
   //See http://jira.jboss.com/jira/browse/JBMESSAGING-638
   public void testResourceManagerMemoryLeakOnRollback() throws Exception
   { 
      XAConnection xaConn = null;
      
      try
      {
         xaConn = cf.createXAConnection();
         
         JBossConnection jbConn = (JBossConnection)xaConn;
         
         ClientConnectionDelegate del = (ClientConnectionDelegate)jbConn.getDelegate();
         
         ConnectionState state = (ConnectionState)del.getState();
         
         ResourceManager rm = state.getResourceManager();
         
         XASession xaSession = xaConn.createXASession();
         
         xaConn.start();
         
         XAResource res = xaSession.getXAResource();
         
         XAResource dummy = new DummyXAResource();
         
         for (int i = 0; i < 100; i++)
         {            
            tm.begin();
                     
            Transaction tx = tm.getTransaction();
            
            tx.enlistResource(res);
            
            tx.enlistResource(dummy);
            
            assertEquals(1, rm.size());
            
            tx.delistResource(res, XAResource.TMSUCCESS);
            
            tx.delistResource(dummy, XAResource.TMSUCCESS);
            
            tm.rollback();
         }                  
         
         assertEquals(1, rm.size());
         
         xaConn.close();
         
         xaConn = null;
         
         assertEquals(0, rm.size());


      }
      finally
      {
         if (xaConn != null)
         {
            xaConn.close();
         }
      }
   }

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Examples of javax.jms.XAConnection

   //http://jira.jboss.com/jira/browse/JBMESSAGING-721
   public void testConvertFromLocalTx() throws Exception
   {
      Connection conn = null;
      
      XAConnection xaConn = null;
      
      try
      {
      
         //First send some messages to a queue
         
         conn = cf.createConnection();
         
         Session sessSend = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
         
         MessageProducer prod = sessSend.createProducer(queue);
         
         TextMessage tm1 = sessSend.createTextMessage("message1");
         
         TextMessage tm2 = sessSend.createTextMessage("message2");
         
         prod.send(tm1);
         
         prod.send(tm2);
         
         
         xaConn = cf.createXAConnection();
         
         XASession xaSession = xaConn.createXASession();
         
         xaConn.start();
         
         MessageConsumer cons = xaSession.createConsumer(queue);
         
         //Receive the two messages outside of a transaction
         
         TextMessage rm1 = (TextMessage)cons.receive(1000);
         
         assertNotNull(rm1);
         
         assertEquals("message1", rm1.getText());
         
         TextMessage rm2 = (TextMessage)cons.receive(1000);
         
         assertNotNull(rm2);
         
         assertEquals("message2", rm2.getText());
         
         Message rm3 = cons.receive(1000);
         
         assertNull(rm3);
         
         //Now we enlist the session in an xa transaction
         
         XAResource res = xaSession.getXAResource();
         
         tm.begin();
         
         Transaction tx = tm.getTransaction();
         tx.enlistResource(res);
         
         //This should cause the work done previously to be converted into work done in the xa transaction
         //this is what an MDB does
         //There is a difficulty in transactional delivery with an MDB.
         //The message is received from the destination and then sent to the mdb container so
         //it can call onMessage.
         //For transactional delivery the receipt of the message should be in a transaction but by the time
         //the mdb container is invoked the message has already been received it is too late - the message
         //has already been received and passed on (see page 199 (chapter 5 JMS and Transactions, section "Application Server Integration"
         //of Mark Little's book Java Transaction processing
         //for a discussion of how different app serves deal with this)
         //The way jboss messaging (and jboss mq) deals with this is to convert any work done
         //prior to when the xasession is enlisted in the tx, into work done in the xa tx
         
         tx.delistResource(res, XAResource.TMSUCCESS);
         
         //Now rollback the tx - this should cause redelivery of the two messages
         tx.rollback();
         
         rm1 = (TextMessage)cons.receive(1000);
         
         assertNotNull(rm1);
         
         assertEquals("message1", rm1.getText());
         
         rm2 = (TextMessage)cons.receive(1000);
         
         assertNotNull(rm2);
         
         assertEquals("message2", rm2.getText());
         
         rm3 = cons.receive(1000);
         
         assertNull(rm3);
      }
      finally
      {         
         if (conn != null)
         {
            conn.close();
         }
         
         if (xaConn != null)
         {
            xaConn.close();
         }
      }
   }

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Examples of javax.jms.XAConnection

   //http://jira.jboss.com/jira/browse/JBMESSAGING-721
   public void testTransactionIdSetAfterCommit() throws Exception
   {
      Connection conn = null;
      
      XAConnection xaConn = null;
      
      try
      {
      
         //First send some messages to a queue
         
         conn = cf.createConnection();
         
         Session sessSend = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
         
         MessageProducer prod = sessSend.createProducer(queue);
         
         TextMessage tm1 = sessSend.createTextMessage("message1");
         
         TextMessage tm2 = sessSend.createTextMessage("message2");
         
         prod.send(tm1);
         
         prod.send(tm2);
         
         
         xaConn = cf.createXAConnection();
         
         XASession xaSession = xaConn.createXASession();
         
         xaConn.start();
         
         MessageConsumer cons = xaSession.createConsumer(queue);
         
         //Now we enlist the session in an xa transaction
         
         XAResource res = xaSession.getXAResource();
         
         tm.begin();
         
         Transaction tx = tm.getTransaction();
         tx.enlistResource(res);
         
         tx.delistResource(res, XAResource.TMSUCCESS);
         
         //Then we do a commit
         tm.commit();
                              
         //Then we receive the messages outside the tx
         
         TextMessage rm1 = (TextMessage)cons.receive(1000);
         
         assertNotNull(rm1);
         
         assertEquals("message1", rm1.getText());
         
         TextMessage rm2 = (TextMessage)cons.receive(1000);
         
         assertNotNull(rm2);
         
         assertEquals("message2", rm2.getText());
         
         Message rm3 = cons.receive(1000);
         
         assertNull(rm3);
         
         //And enlist again - this should convert the work done in the local tx
         //into the global branch
         
         tx = tm.getTransaction();
         
         tm.begin();
         
         tx = tm.getTransaction();
         tx.enlistResource(res);
         
         tx.delistResource(res, XAResource.TMSUCCESS);         
               
         //Now rollback the tx - this should cause redelivery of the two messages
         tx.rollback();
         
         rm1 = (TextMessage)cons.receive(1000);
         
         assertNotNull(rm1);
         
         assertEquals("message1", rm1.getText());
         
         rm2 = (TextMessage)cons.receive(1000);
         
         assertNotNull(rm2);
         
         assertEquals("message2", rm2.getText());
         
         rm3 = cons.receive(1000);
         
         assertNull(rm3);
      }
      finally
      {         
         if (conn != null)
         {
            conn.close();
         }
         
         if (xaConn != null)
         {
            xaConn.close();
         }
      }


   }

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Examples of javax.jms.XAConnection

   //http://jira.jboss.com/jira/browse/JBMESSAGING-721
   public void testTransactionIdSetAfterRollback() throws Exception
   {
      Connection conn = null;
      
      XAConnection xaConn = null;
      
      try
      {
      
         //First send some messages to a queue
         
         conn = cf.createConnection();
         
         Session sessSend = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
         
         MessageProducer prod = sessSend.createProducer(queue);
         
         TextMessage tm1 = sessSend.createTextMessage("message1");
         
         TextMessage tm2 = sessSend.createTextMessage("message2");
         
         prod.send(tm1);
         
         prod.send(tm2);
         
         
         xaConn = cf.createXAConnection();
         
         XASession xaSession = xaConn.createXASession();
         
         xaConn.start();
         
         MessageConsumer cons = xaSession.createConsumer(queue);
         
         //Now we enlist the session in an xa transaction
         
         XAResource res = xaSession.getXAResource();
         
         tm.begin();
         
         Transaction tx = tm.getTransaction();
         tx.enlistResource(res);
         tx.delistResource(res, XAResource.TMSUCCESS);
         
         //Then we do a rollback
         tm.rollback();                 
         
         //Then we receive the messages outside the global tx
         
         TextMessage rm1 = (TextMessage)cons.receive(1000);
         
         assertNotNull(rm1);
         
         assertEquals("message1", rm1.getText());
         
         TextMessage rm2 = (TextMessage)cons.receive(1000);
         
         assertNotNull(rm2);
         
         assertEquals("message2", rm2.getText());
         
         Message rm3 = cons.receive(1000);
         
         assertNull(rm3);
         
         tm.begin();
         
         //And enlist again - the work should then be converted into the global tx branch
         
         tx = tm.getTransaction();
         
         tx.enlistResource(res);
         
         tx.delistResource(res, XAResource.TMSUCCESS);
               
         //Now rollback the tx - this should cause redelivery of the two messages
         tx.rollback();
         
         rm1 = (TextMessage)cons.receive(1000);
         
         assertNotNull(rm1);
         
         assertEquals("message1", rm1.getText());
         
         rm2 = (TextMessage)cons.receive(1000);
         
         assertNotNull(rm2);
         
         assertEquals("message2", rm2.getText());
         
         rm3 = cons.receive(1000);
         
         assertNull(rm3);
      }
      finally
      {         
         if (conn != null)
         {
            conn.close();
         }
         
         if (xaConn != null)
         {
            xaConn.close();
         }
      }


   }

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Examples of javax.jms.XAConnection

      if (!ServerManagement.isRemote())
      {
         return;
      }
      
      XAConnection conn1 = null;
      
      try
      {      
         conn1 = cf.createXAConnection();
   
         XASession sess1 = conn1.createXASession();
   
         XAResource res1 = sess1.getXAResource();
         
         byte[] branchQualifier = new byte[] { 1, 2, 3, 4, 5, 6, 0, 0, 0, 0 };
         
         byte[] globalTxId = new byte[] { 6, 5, 4, 3, 2, 1, 0, 0, 0, 0 };
                  
         Xid trailing = new MessagingXid(branchQualifier, 12435, globalTxId);
         
         res1.start(trailing, XAResource.TMNOFLAGS);
   
         MessageProducer prod1 = sess1.createProducer(queue);
   
         TextMessage tm1 = sess1.createTextMessage("testing1");
   
         prod1.send(tm1);
   
         res1.end(trailing, XAResource.TMSUCCESS);
   
   
         res1.prepare(trailing);


   
         //Now "crash" the server
   
         ServerManagement.stopServerPeer();
   
         ServerManagement.startServerPeer();
   
         ServerManagement.deployQueue("Queue");
   
   
         XAResource res = cf.createXAConnection().createXASession().getXAResource();
   
         Xid[] xids = res.recover(XAResource.TMSTARTRSCAN);
         assertEquals(1, xids.length);
   
         Xid[] xids2 = res.recover(XAResource.TMENDRSCAN);
         assertEquals(0, xids2.length);
         
         Xid trailing2 = xids[0];
         
         assertTrue(trailing.getFormatId() == trailing2.getFormatId());
         
         assertEqualByteArrays(trailing.getGlobalTransactionId(), trailing2.getGlobalTransactionId());
         
         assertEqualByteArrays(trailing.getBranchQualifier(), trailing2.getBranchQualifier());
   
         res.commit(trailing, false);
            
         if (checkNoMessageData())
         {
            fail("Data remains in database");
         }
      }
      finally
      {
         if (conn1 != null)
         {
            try
            {
               conn1.close();
            }
            catch (Exception e)
            {
               //Ignore
            }

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Examples of javax.jms.XAConnection

   
   public void test2PCSendCommit1PCOptimization() throws Exception
   {
      //Since both resources have some RM, TM will probably use 1PC optimization
      
      XAConnection conn = null;
      Connection conn2 = null;
      
      try
      {      
         conn = cf.createXAConnection();
         
         tm.begin();
         
         XASession sess = conn.createXASession();
         XAResource res = sess.getXAResource();
         
         XAResource res2 = new DummyXAResource();
         
         Transaction tx = tm.getTransaction();
         tx.enlistResource(res);
         tx.enlistResource(res2);
         
         MessageProducer prod = sess.createProducer(queue);
         prod.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
         Message m = sess.createTextMessage("XATest1");
         prod.send(queue, m);
         m = sess.createTextMessage("XATest2");
         prod.send(queue, m);
         
         tx.delistResource(res, XAResource.TMSUCCESS);
         tx.delistResource(res2, XAResource.TMSUCCESS);
         
         tm.commit();
         
         conn2 = cf.createConnection();
         conn2.start();
         Session sessReceiver = conn2.createSession(false, Session.AUTO_ACKNOWLEDGE);
         MessageConsumer cons = sessReceiver.createConsumer(queue);
         TextMessage m2 = (TextMessage)cons.receive(1000);
         assertNotNull(m2);
         assertEquals("XATest1", m2.getText());
         m2 = (TextMessage)cons.receive(1000);
         assertNotNull(m2);
         assertEquals("XATest2", m2.getText());
      }
      finally
      {
         if (conn != null)
         {
            conn.close();
         }
         if (conn2 != null)
         {
            conn2.close();
         }

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Examples of javax.jms.XAConnection






   public void test2PCSendCommit() throws Exception
   {
      XAConnection conn = null;
      Connection conn2 = null;


      try
      {


         conn = cf.createXAConnection();


         tm.begin();


         XASession sess = conn.createXASession();


         MessagingXAResource res = (MessagingXAResource)sess.getXAResource();
         XAResource res2 = new DummyXAResource();


         //To prevent 1PC optimization being used
         res.setPreventJoining(true);


         Transaction tx = tm.getTransaction();
         tx.enlistResource(res);
         tx.enlistResource(res2);


         MessageProducer prod = sess.createProducer(queue);
         prod.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
         Message m = sess.createTextMessage("XATest1");
         prod.send(queue, m);
         m = sess.createTextMessage("XATest2");
         prod.send(queue, m);
         
         tx.delistResource(res, XAResource.TMSUCCESS);
         tx.delistResource(res2, XAResource.TMSUCCESS);


         tm.commit();


         conn2 = cf.createConnection();
         conn2.start();
         Session sessReceiver = conn2.createSession(false, Session.AUTO_ACKNOWLEDGE);
         MessageConsumer cons = sessReceiver.createConsumer(queue);
         TextMessage m2 = (TextMessage)cons.receive(MAX_TIMEOUT);
         assertNotNull(m2);
         assertEquals("XATest1", m2.getText());
         m2 = (TextMessage)cons.receive(MAX_TIMEOUT);
         assertNotNull(m2);
         assertEquals("XATest2", m2.getText());
      }
      finally
      {
         if (conn != null)
         {
            conn.close();
         }
         if (conn2 != null)
         {
            conn2.close();
         }

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