Examples of org.jboss.test.messaging.core.SimpleReceiver

org.jboss.test.messaging.core.SimpleReceiver
A simple Receiver implementation that consumes undelivered by storing them internally. Used for testing. The receiver can be configured to immediately return a "done" delivery (ACKING), an "active" delivery (NACKING) undelivered, or throw unchecked exceptions. @author Ovidiu Feodorov @author Tim Fox @version $Revision: 2491 $ $Id: SimpleReceiver.java 2491 2007-02-28 06:54:10Z ovidiu.feodorov@jboss.com $

         // we test only recoverable channels now
         return;
      }


      // add an ACKING receiver to the channel
      SimpleReceiver r = new SimpleReceiver("AckingReceiver", SimpleReceiver.ACKING);
      assertTrue(queue.add(r));


      MessageReference ref = createReference(0, false, "payload");
      SimpleDeliveryObserver observer = new SimpleDeliveryObserver();


      Transaction tx = tr.createTransaction();


      // transacted send, non-reliable message, one message
      // for a transactional send, handle() return value is unspecified
      queue.handle(observer, ref, tx);


      // no messages in the channel
      assertEquals(0, queue.browse().size());


      // no message at the receiver
      assertTrue(r.getMessages().isEmpty());


      tx.commit();


      assertTrue(queue.browse().isEmpty());


      List received = r.getMessages();
      assertEquals(1, received.size());
      Message sm = (Message)received.iterator().next();
      assertFalse(sm.isReliable());
      assertEquals(0, sm.getMessageID());
   }

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         // we test only recoverable channels now
         return;
      }


      // add an ACKING receiver to the channel
      SimpleReceiver r = new SimpleReceiver("AckingReceiver", SimpleReceiver.ACKING);
      assertTrue(queue.add(r));


      SimpleDeliveryObserver observer = new SimpleDeliveryObserver();


      Transaction tx = tr.createTransaction();


      MessageReference[] refs = new MessageReference[NUMBER_OF_MESSAGES];
      for(int i = 0; i < NUMBER_OF_MESSAGES; i++)
      {
         refs[i] = createReference(i, false, "payload" + i);


         // transacted send, non-reliable message, multiple messages
         // for a transactional send, handle() return value is unspecified
         queue.handle(observer, refs[i], tx);
      }


      // no messages in the channel
      assertEquals(0, queue.browse().size());


      // no message at the receiver
      assertTrue(r.getMessages().isEmpty());


      tx.commit();


      assertTrue(queue.browse().isEmpty());
      assertEqualSets(refs, r.getMessages());
   }

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         // we test only recoverable channels now
         return;
      }


      // add an ACKING receiver to the channel
      SimpleReceiver r = new SimpleReceiver("AckingReceiver", SimpleReceiver.ACKING);
      assertTrue(queue.add(r));




      MessageReference ref = createReference(0, true, "payload");
      SimpleDeliveryObserver observer = new SimpleDeliveryObserver();


      Transaction tx = tr.createTransaction();


      // transacted send, reliable message, one message
      // for a transactional send, handle() return value is unspecified
      queue.handle(observer, ref, tx);


      // no messages in the channel yet
      assertEquals(0, queue.browse().size());


      // no message at the receiver
      assertTrue(r.getMessages().isEmpty());


      tx.commit();


      // no messages in the channel
      assertEquals(0, queue.browse().size());


      List received = r.getMessages();
      assertEquals(1, received.size());
      Message sm = (Message)received.iterator().next();
      assertTrue(sm.isReliable());
      assertEquals(0, sm.getMessageID());
   }

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         return;
      }




      // add an ACKING receiver to the channel
      SimpleReceiver r = new SimpleReceiver("AckingReceiver", SimpleReceiver.ACKING);
      assertTrue(queue.add(r));


      SimpleDeliveryObserver observer = new SimpleDeliveryObserver();


      Transaction tx = tr.createTransaction();


      MessageReference[] refs = new MessageReference[NUMBER_OF_MESSAGES];
      for(int i = 0; i < NUMBER_OF_MESSAGES; i++)
      {
         refs[i] = createReference(i, true, "payload" + i);


         // transacted send, reliable message, multiple messages
         // for a transactional send, handle() return value is unspecified
         queue.handle(observer, refs[i], tx);
      }


      // no messages in the channel yet
      assertEquals(0, queue.browse().size());


      // no message at the receiver
      assertTrue(r.getMessages().isEmpty());


      tx.commit();


      // no messages in the channel
      assertEquals(0, queue.browse().size());


      assertEqualSets(refs, r.getMessages());
   }

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         return;
      }




      // add an ACKING receiver to the channel
      SimpleReceiver r = new SimpleReceiver("AckingReceiver", SimpleReceiver.ACKING);
      assertTrue(queue.add(r));




      SimpleDeliveryObserver observer = new SimpleDeliveryObserver();


      Transaction tx = tr.createTransaction();


      MessageReference[] refs = new MessageReference[NUMBER_OF_MESSAGES];
      for(int i = 0; i < NUMBER_OF_MESSAGES; i++)
      {
         // send a mixture of reliable and non-reliable messages
         refs[i] = createReference(i, (i % 2 == 1), "payload" + i);


         // transacted send, reliable/non-reliable messages, multiple messages
         // for a transactional send, handle() return value is unspecified
         queue.handle(observer, refs[i], tx);
      }


      // no messages in the channel
      assertEquals(0, queue.browse().size());


      // no message at the receiver
      assertTrue(r.getMessages().isEmpty());


      tx.commit();


      // no messages in the channel
      assertEquals(0, queue.browse().size());


      assertEqualSets(refs, r.getMessages());
   }

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         LocalClusteredQueue queue3 =
            new LocalClusteredQueue(office3, 3, "queue3", channelIDManager.getID(), ms, pm,
                                    true, true, -1, null, tr);
            office3.bindClusteredQueue(new SimpleCondition("topic1"), queue3);


         SimpleReceiver receiver1 = new SimpleReceiver("blah", SimpleReceiver.ACCEPTING);
         queue1.add(receiver1);
         SimpleReceiver receiver2 = new SimpleReceiver("blah", SimpleReceiver.ACCEPTING);
         queue2.add(receiver2);
         SimpleReceiver receiver3 = new SimpleReceiver("blah", SimpleReceiver.ACCEPTING);
         queue3.add(receiver3);


         //This will make it fail after casting but before persisting the message in the db
         office1.setFail(true, false, false);


         Transaction tx = tr.createTransaction();


         final int NUM_MESSAGES = 10;


         for (int i = 0; i < NUM_MESSAGES; i++)
         {
            Message msg = CoreMessageFactory.createCoreMessage(i, true, null);


            MessageReference ref = ms.reference(msg);


            office1.route(ref, new SimpleCondition("topic1"), tx);
         }


         Thread.sleep(1000);


         List msgs = receiver1.getMessages();
         assertTrue(msgs.isEmpty());


         msgs = receiver2.getMessages();
         assertTrue(msgs.isEmpty());


         msgs = receiver3.getMessages();
         assertTrue(msgs.isEmpty());


         try
         {
            //An exception should be thrown            
            tx.commit();
            fail();
         }
         catch (TransactionException e)
         {
            //Ok
         }


         Thread.sleep(1000);


         msgs = receiver1.getMessages();
         assertTrue(msgs.isEmpty());


         msgs = receiver2.getMessages();
         assertTrue(msgs.isEmpty());


         msgs = receiver3.getMessages();
         assertTrue(msgs.isEmpty());


         //Nodes 2 and 3 should have a held tx


         assertTrue(office1.getHoldingTransactions().isEmpty());


         assertEquals(1, office2.getHoldingTransactions().size());


         assertEquals(1, office3.getHoldingTransactions().size());


         //We now kill the office - this should make the other offices do their transaction check
         office1.stop();


         Thread.sleep(1000);


         //This should result in the held txs being rolled back


         assertTrue(office1.getHoldingTransactions().isEmpty());


         assertTrue(office2.getHoldingTransactions().isEmpty());


         assertTrue(office3.getHoldingTransactions().isEmpty());


         //The tx should be removed from the holding area and nothing should be received
         //remember node1 has now crashed so no point checking receiver1


         msgs = receiver2.getMessages();
         assertTrue(msgs.isEmpty());


         msgs = receiver3.getMessages();
         assertTrue(msgs.isEmpty());


      }
      finally
      {

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         LocalClusteredQueue queue3 =
            new LocalClusteredQueue(office3, 3, "queue3", channelIDManager.getID(), ms, pm,
                                    true, true, -1, null, tr);
         office3.bindClusteredQueue(new SimpleCondition("topic1"), queue3);


         SimpleReceiver receiver1 = new SimpleReceiver("blah", SimpleReceiver.ACCEPTING);
         queue1.add(receiver1);
         SimpleReceiver receiver2 = new SimpleReceiver("blah", SimpleReceiver.ACCEPTING);
         queue2.add(receiver2);
         SimpleReceiver receiver3 = new SimpleReceiver("blah", SimpleReceiver.ACCEPTING);
         queue3.add(receiver3);


         //This will make it fail after casting and persisting the message in the db
         office1.setFail(false, true, false);


         Transaction tx = tr.createTransaction();


         final int NUM_MESSAGES = 10;


         for (int i = 0; i < NUM_MESSAGES; i++)
         {
            Message msg = CoreMessageFactory.createCoreMessage(i, true, null);


            MessageReference ref = ms.reference(msg);


            office1.route(ref, new SimpleCondition("topic1"), tx);
         }


         Thread.sleep(1000);


         List msgs = receiver1.getMessages();
         assertTrue(msgs.isEmpty());


         msgs = receiver2.getMessages();
         assertTrue(msgs.isEmpty());


         msgs = receiver3.getMessages();
         assertTrue(msgs.isEmpty());


         try
         {
            //An exception should be thrown            
            tx.commit();
            fail();
         }
         catch (TransactionException e)
         {
            //Ok
         }


         Thread.sleep(1000);


         msgs = receiver1.getMessages();
         assertTrue(msgs.isEmpty());


         msgs = receiver2.getMessages();
         assertTrue(msgs.isEmpty());


         msgs = receiver3.getMessages();
         assertTrue(msgs.isEmpty());


         //There should be held tx in 2 and 3 but not in 1


         assertTrue(office1.getHoldingTransactions().isEmpty());


         assertEquals(1, office2.getHoldingTransactions().size());


         assertEquals(1, office3.getHoldingTransactions().size());


         //We now kill the office - this should make the other office do it's transaction check
         office1.stop();


         Thread.sleep(1000);


         assertTrue(office1.getHoldingTransactions().isEmpty());


         assertTrue(office2.getHoldingTransactions().isEmpty());


         assertTrue(office3.getHoldingTransactions().isEmpty());


         //The tx should be removed from the holding area and messages be received
         //no point checking receiver1 since node1 has crashed


         msgs = receiver2.getMessages();
         assertEquals(NUM_MESSAGES, msgs.size());


         msgs = receiver3.getMessages();
         assertEquals(NUM_MESSAGES, msgs.size());




      }
      finally

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   {
      DefaultRouter dr = new DefaultRouter();
                    
      ClusteredQueue queue = new SimpleQueue(true);
      
      SimpleReceiver receiver1 = new SimpleReceiver("blah", SimpleReceiver.ACCEPTING);
      
      queue.add(receiver1);
               
      dr.add(queue);

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   {
      DefaultRouter dr = new DefaultRouter();
                    
      ClusteredQueue queue = new SimpleQueue(false);
      
      SimpleReceiver receiver1 = new SimpleReceiver("blah", SimpleReceiver.ACCEPTING);
      
      queue.add(receiver1);
      
      dr.add(queue);

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   {
      DefaultRouter dr = new DefaultRouter();
                   
      ClusteredQueue remote1 = new SimpleQueue(false);
     
      SimpleReceiver receiver1 = new SimpleReceiver("blah", SimpleReceiver.ACCEPTING);
      
      remote1.add(receiver1);
      
      dr.add(remote1);
      
      
      ClusteredQueue remote2 = new SimpleQueue(false);
      
      SimpleReceiver receiver2 = new SimpleReceiver("blah", SimpleReceiver.ACCEPTING);
      
      remote2.add(receiver2);
      
      dr.add(remote2);
      
      
      ClusteredQueue remote3 = new SimpleQueue(false);
      
      SimpleReceiver receiver3 = new SimpleReceiver("blah", SimpleReceiver.ACCEPTING);
      
      remote3.add(receiver3);
      
      dr.add(remote3);

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