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 $

   {
      DefaultRouter dr = new DefaultRouter();
                             
      ClusteredQueue remote1 = new SimpleQueue(false);
     
      SimpleReceiver receiver1 = new SimpleReceiver("blah", SimpleReceiver.ACCEPTING);
      
      remote1.add(receiver1);
      
      dr.add(remote1);
      
      ClusteredQueue queue = new SimpleQueue(true);
      
      SimpleReceiver receiver2 = new SimpleReceiver("blah", SimpleReceiver.ACCEPTING);
      
      queue.add(receiver2);
      
      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);
      
      
      ClusteredQueue queue = new SimpleQueue(true);
            
      SimpleReceiver receiver4 = new SimpleReceiver("blah", SimpleReceiver.ACCEPTING);
      
      queue.add(receiver4);
      
      dr.add(queue);

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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, 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.rollback();


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


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


   }

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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, 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.rollback();


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


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

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         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
      assertEquals(0, queue.browse().size());


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


      tx.rollback();


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


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

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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, 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
      assertEquals(0, queue.browse().size());


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


      tx.rollback();


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


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

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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.rollback();


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


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

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         // we test only recoverable channels now
         return;
      }


      // add an NACKING receiver to the channel
      SimpleReceiver r = new SimpleReceiver("NackingReceiver", SimpleReceiver.ACCEPTING);
      assertTrue(queue.add(r));


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


      // non-transacted send, non-reliable message, one message
      Delivery delivery = queue.handle(observer, ref, null);


      assertTrue(delivery.isDone());


      int deliveringCount = queue.getDeliveringCount();
      assertEquals(1, deliveringCount);


      List acknowledging = r.getMessages();
      assertEquals(1, acknowledging.size());
      Message ackm = (Message)acknowledging.get(0);
      assertEquals(0, ackm.getMessageID());


      // non-transacted acknowledgment
      r.acknowledge(ackm, null);


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

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         // we test only recoverable channels now
         return;
      }


      // add an NACKING receiver to the channel
      SimpleReceiver r = new SimpleReceiver("NackingReceiver", SimpleReceiver.ACCEPTING);
      r.setImmediateAsynchronousAcknowledgment(true);
      assertTrue(queue.add(r));


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


      // non-transacted send, non-reliable message, one message
      Delivery delivery = queue.handle(observer, ref, null);


      assertTrue(delivery.isDone());


      // the receiver should have returned a "done" delivery
      assertTrue(queue.browse().isEmpty());


      List messages = r.getMessages();
      assertEquals(1, messages.size());
      Message ackm = (Message)messages.get(0);
      assertEquals(0, ackm.getMessageID());


      // an extra acknowledgment should be discarded
      r.acknowledge(ackm, null);


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

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         // we test only recoverable channels now
         return;
      }


      // add an NACKING receiver to the channel
      SimpleReceiver r = new SimpleReceiver("NackingReceiver", SimpleReceiver.ACCEPTING);
      assertTrue(queue.add(r));


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


      // non-transacted send, non-reliable message, one message
      Delivery delivery = queue.handle(observer, ref, null);


      assertTrue(delivery.isDone());


      int deliveringCount = queue.getDeliveringCount();
      assertEquals(1, deliveringCount);


      List acknowledging = r.getMessages();
      assertEquals(1, acknowledging.size());
      Message ackm = (Message)acknowledging.get(0);
      assertEquals(0, ackm.getMessageID());


      Transaction tx = tr.createTransaction();


      // transacted acknowledgment
      r.acknowledge(ackm, tx);


      deliveringCount = queue.getDeliveringCount();
      assertEquals(1, deliveringCount);


      tx.commit();

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