Examples of org.jboss.messaging.core.contract.MessageReference

Package org.jboss.messaging.core.contract

Examples of org.jboss.messaging.core.contract.MessageReference

org.jboss.messaging.core.contract.MessageReference
A reference to a message. Channels store message references rather than the messages themselves. If many channels have contain the same reference this makes a lot of sense @author Ovidiu Feodorov @author Tim Fox @version $Revision: 3020 $ $Id: MessageReference.java 3020 2007-08-21 15:46:38Z timfox $


      Channel channel = new SimpleChannel(0, ms);


      Message[] m = createMessages(10);


      MessageReference ref1 = ms.reference(m[0]);
      MessageReference ref2 = ms.reference(m[1]);
      MessageReference ref3 = ms.reference(m[2]);
      MessageReference ref4 = ms.reference(m[3]);
      MessageReference ref5 = ms.reference(m[4]);
      MessageReference ref6 = ms.reference(m[5]);
      MessageReference ref7 = ms.reference(m[6]);
      MessageReference ref8 = ms.reference(m[7]);
      MessageReference ref9 = ms.reference(m[8]);
      MessageReference ref10 = ms.reference(m[9]);


      pm.addReference(channel.getChannelID(), ref1, null);
      pm.addReference(channel.getChannelID(), ref2, null);
      pm.addReference(channel.getChannelID(), ref3, null);
      pm.addReference(channel.getChannelID(), ref4, null);
      pm.addReference(channel.getChannelID(), ref5, null);
      pm.addReference(channel.getChannelID(), ref6, null);
      pm.addReference(channel.getChannelID(), ref7, null);
      pm.addReference(channel.getChannelID(), ref8, null);
      pm.addReference(channel.getChannelID(), ref9, null);
      pm.addReference(channel.getChannelID(), ref10, null);


      List refIds = getReferenceIds(channel.getChannelID());
      assertNotNull(refIds);
      assertEquals(10, refIds.size());
      assertTrue(refIds.contains(new Long(ref1.getMessage().getMessageID())));
      assertTrue(refIds.contains(new Long(ref2.getMessage().getMessageID())));
      assertTrue(refIds.contains(new Long(ref3.getMessage().getMessageID())));
      assertTrue(refIds.contains(new Long(ref4.getMessage().getMessageID())));
      assertTrue(refIds.contains(new Long(ref5.getMessage().getMessageID())));
      assertTrue(refIds.contains(new Long(ref6.getMessage().getMessageID())));
      assertTrue(refIds.contains(new Long(ref7.getMessage().getMessageID())));
      assertTrue(refIds.contains(new Long(ref8.getMessage().getMessageID())));
      assertTrue(refIds.contains(new Long(ref9.getMessage().getMessageID())));
      assertTrue(refIds.contains(new Long(ref10.getMessage().getMessageID())));


      List msgs = getMessageIds();
      assertNotNull(msgs);
      assertEquals(10, msgs.size());
      assertTrue(msgs.contains(new Long(ref1.getMessage().getMessageID())));
      assertTrue(msgs.contains(new Long(ref2.getMessage().getMessageID())));
      assertTrue(msgs.contains(new Long(ref3.getMessage().getMessageID())));
      assertTrue(msgs.contains(new Long(ref4.getMessage().getMessageID())));
      assertTrue(msgs.contains(new Long(ref5.getMessage().getMessageID())));
      assertTrue(msgs.contains(new Long(ref6.getMessage().getMessageID())));
      assertTrue(msgs.contains(new Long(ref7.getMessage().getMessageID())));
      assertTrue(msgs.contains(new Long(ref8.getMessage().getMessageID())));
      assertTrue(msgs.contains(new Long(ref9.getMessage().getMessageID())));
      assertTrue(msgs.contains(new Long(ref10.getMessage().getMessageID())));


      List msgIds = new ArrayList();
      msgIds.add(new Long(ref3.getMessage().getMessageID()));
      msgIds.add(new Long(ref4.getMessage().getMessageID()));
      msgIds.add(new Long(ref7.getMessage().getMessageID()));

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      else
      {
        assertEquals(0,txRep.getNumberOfRegisteredTransactions());
      }


      MessageReference ref1 = ms.reference(m1);
      MessageReference ref2 = ms.reference(m2);
      MessageReference ref3 = ms.reference(m3);
      MessageReference ref4 = ms.reference(m4);
      MessageReference ref5 = ms.reference(m5);


      log.debug("adding references non-transactionally");


      // Add first two refs non transactionally
      pm.addReference(channel.getChannelID(), ref1, null);
      pm.addReference(channel.getChannelID(), ref2, null);


      //check they're there
      List refs = getReferenceIds(channel.getChannelID());
      assertNotNull(refs);
      assertEquals(2, refs.size());
      assertTrue(refs.contains(new Long(ref1.getMessage().getMessageID())));
      assertTrue(refs.contains(new Long(ref2.getMessage().getMessageID())));


      List msgs = getMessageIds();
      assertNotNull(msgs);
      assertEquals(2, msgs.size());
      assertTrue(msgs.contains(new Long(ref1.getMessage().getMessageID())));
      assertTrue(msgs.contains(new Long(ref2.getMessage().getMessageID())));


      log.debug("ref1 and ref2 are there");


      //Add the next 3 refs transactionally
      pm.addReference(channel.getChannelID(), ref3, tx);
      pm.addReference(channel.getChannelID(), ref4, tx);
      pm.addReference(channel.getChannelID(), ref5, tx);


      //Remove the other 2 transactionally
      pm.removeReference(channel.getChannelID(), ref1, tx);
      pm.removeReference(channel.getChannelID(), ref2, tx);


      //Check the changes aren't visible
      refs = getReferenceIds(channel.getChannelID());
      assertNotNull(refs);
      assertEquals(2, refs.size());
      assertTrue(refs.contains(new Long(ref1.getMessage().getMessageID())));
      assertTrue(refs.contains(new Long(ref2.getMessage().getMessageID())));


      msgs = getMessageIds();
      assertNotNull(msgs);
      assertEquals(2, msgs.size());
      assertTrue(msgs.contains(new Long(ref1.getMessage().getMessageID())));
      assertTrue(msgs.contains(new Long(ref2.getMessage().getMessageID())));


      //commit transaction
      tx.commit();


      assertEquals("numberOfRegisteredTransactions",0,txRep.getNumberOfRegisteredTransactions());


      //check we can see only the last 3 refs
      refs = getReferenceIds(channel.getChannelID());
      assertNotNull(refs);
      assertEquals(3, refs.size());
      assertTrue(refs.contains(new Long(ref3.getMessage().getMessageID())));
      assertTrue(refs.contains(new Long(ref4.getMessage().getMessageID())));
      assertTrue(refs.contains(new Long(ref5.getMessage().getMessageID())));


      msgs = getMessageIds();
      assertNotNull(msgs);
      assertEquals(3, msgs.size());
      assertTrue(msgs.contains(new Long(ref3.getMessage().getMessageID())));
      assertTrue(msgs.contains(new Long(ref4.getMessage().getMessageID())));
      assertTrue(msgs.contains(new Long(ref5.getMessage().getMessageID())));
   }

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      else
      {
         tx = txRep.createTransaction();
      }


      MessageReference ref1 = ms.reference(m1);
      MessageReference ref2 = ms.reference(m2);
      MessageReference ref3 = ms.reference(m3);
      MessageReference ref4 = ms.reference(m4);
      MessageReference ref5 = ms.reference(m5);


      //Add first two refs non transactionally
      pm.addReference(channel.getChannelID(), ref1, null);
      pm.addReference(channel.getChannelID(), ref2, null);

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               }


               while (iter.hasNext())
               {
                  // We may need to persist the message itself
                  MessageReference ref = (MessageReference) iter.next();


                  // For non reliable refs we insert the ref (and maybe the
                  // message) itself


                  // Now store the reference
                    
                  log.trace("Paged ref with page order " + ref.getPagingOrder());


                  addReference(channelID, ref, psInsertReference, page);


                  int rows = psInsertReference.executeUpdate();


                  if (trace)
                  {
                     log.trace("Inserted " + rows + " rows");
                  }
                  
                  // Maybe we need to persist the message itself
                  Message m = ref.getMessage();


                  rows = storeMessage(m, psInsertMessage, psUpdateMessage);


                  if (trace)
                  {

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               Iterator iter = references.iterator();


               while (iter.hasNext())
               {
                  MessageReference ref = (MessageReference) iter.next();


                  removeReference(channelID, ref, psDeleteReference);


                  int rows = psDeleteReference.executeUpdate();

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               psUpdateReference = conn
                     .prepareStatement(getSQLStatement("UPDATE_PAGE_ORDER"));


               while (iter.hasNext())
               {
                  MessageReference ref = (MessageReference) iter.next();


                  psUpdateReference.setLong(1, ref.getPagingOrder());


                  psUpdateReference.setLong(2, ref.getMessage().getMessageID());


                  psUpdateReference.setLong(3, channelID);


                  int rows = psUpdateReference.executeUpdate();

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               boolean first = true;


               for (Iterator i = refsToAdd.iterator(); i.hasNext();)
               {
                  ChannelRefPair pair = (ChannelRefPair) i.next();
                  MessageReference ref = pair.ref;


                  if (psReference == null)
                  {
                     psReference = conn
                           .prepareStatement(getSQLStatement("INSERT_MESSAGE_REF"));
                  }


                  // Now store the reference
                  addReference(pair.channelID, ref, psReference, false);


                  int rows = psReference.executeUpdate();


                  if (trace)
                  {
                     log.trace("Inserted " + rows + " rows");
                  }


                  Message m = ref.getMessage();


                  synchronized (m)
                  {
                     if (!m.isPersisted())
                     {

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               while (iter.hasNext())
               {
                  Object obj = iter.next();


                  MessageReference ref;
                  if (obj instanceof MessageReference)
                  {
                     ref = (MessageReference) obj;
                  }
                  else
                  {
                     ref = ((ChannelRefPair) obj).ref;
                  }


                  psMessage.setLong(1, ref.getMessage().getMessageID());
                  psMessage.setLong(2, ref.getMessage().getMessageID());


                  int rows = psMessage.executeUpdate();


                  if (trace)
                  {

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   {
      static MessageOrderComparator instance = new MessageOrderComparator();


      public int compare(Object o1, Object o2)
      {
         MessageReference ref1;
         MessageReference ref2;


         if (o1 instanceof MessageReference)
         {
            ref1 = (MessageReference) o1;
            ref2 = (MessageReference) o2;
         }
         else
         {
            ref1 = ((ChannelRefPair) o1).ref;
            ref2 = ((ChannelRefPair) o2).ref;
         }


         long id1 = ref1.getMessage().getMessageID();
         long id2 = ref2.getMessage().getMessageID();


         return (id1 < id2 ? -1 : (id1 == id2 ? 0 : 1));
      }

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                  iter = messages.iterator();
                  
                  while (iter.hasNext())
                  {
                     Message m = (Message)iter.next();
                     MessageReference mref = ms.reference(m);
                     
                     ReferenceInfo mInfo = refInfoMap.get(m.getMessageID());
                     mref.setDeliveryCount(mInfo.getDeliveryCount());
                     mref.setScheduledDeliveryTime(mInfo.getScheduledDelivery());
                     
                     Delivery del = new SimpleDelivery(ch, mref, true, true);
                     del.cancel();
                  }
               }

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org.jboss.jms.server.endpoint.ServerSessionEndpoint

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org.jboss.messaging.core.impl.DeleteMessagesRunner

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org.jboss.messaging.core.impl.JDBCPersistenceManager$MessageOrderComparator

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