Package org.apache.helix.model

Examples of org.apache.helix.model.Message

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    TestMessagingHandlerFactory factory = new TestMessagingHandlerFactory();
    _startCMResultMap.get(hostDest)._manager.getMessagingService()
        .registerMessageHandlerFactory(factory.getMessageType(), factory);

    String msgId = new UUID(123, 456).toString();
    Message msg = new Message(factory.getMessageType(),msgId);
    msg.setMsgId(msgId);
    msg.setSrcName(hostSrc);

    msg.setTgtSessionId("*");
    msg.setMsgState(MessageState.NEW);
    String para = "Testing messaging para";
    msg.getRecord().setSimpleField("TestMessagingPara", para);

    Criteria cr = new Criteria();
    cr.setInstanceName(hostDest);
    cr.setRecipientInstanceType(InstanceType.PARTICIPANT);
    cr.setSessionSpecific(false);
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      String hostDest = "localhost_" + (START_PORT + i);
      _startCMResultMap.get(hostDest)._manager.getMessagingService()
          .registerMessageHandlerFactory(factory.getMessageType(), factory);
    }
    String msgId = new UUID(123, 456).toString();
    Message msg = new Message(
        new TestMessagingHandlerFactory().getMessageType(),msgId);
    msg.setMsgId(msgId);
    msg.setSrcName(hostSrc);

    msg.setTgtSessionId("*");
    msg.setMsgState(MessageState.NEW);
    String para = "Testing messaging para";
    msg.getRecord().setSimpleField("TestMessagingPara", para);

    Criteria cr = new Criteria();
    cr.setInstanceName("%");
    cr.setRecipientInstanceType(InstanceType.PARTICIPANT);
    cr.setSessionSpecific(false);
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      String hostDest = "localhost_" + (START_PORT + i);
      _startCMResultMap.get(hostDest)._manager.getMessagingService()
          .registerMessageHandlerFactory(factory.getMessageType(), factory);
    }
    String msgId = new UUID(123, 456).toString();
    Message msg = new Message(
        new TestMessagingHandlerFactory().getMessageType(),msgId);
    msg.setMsgId(msgId);
    msg.setSrcName(hostSrc);

    msg.setTgtSessionId("*");
    msg.setMsgState(MessageState.NEW);
    String para = "Testing messaging para";
    msg.getRecord().setSimpleField("TestMessagingPara", para);

    Criteria cr = new Criteria();
    cr.setInstanceName("%");
    cr.setRecipientInstanceType(InstanceType.PARTICIPANT);
    cr.setSessionSpecific(false);
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      String hostDest = "localhost_" + (START_PORT + i);
      _startCMResultMap.get(hostDest)._manager.getMessagingService()
          .registerMessageHandlerFactory(factory.getMessageType(), factory);
    }
    String msgId = new UUID(123, 456).toString();
    Message msg = new Message(MessageType.CONTROLLER_MSG,msgId);
    msg.setMsgId(msgId);
    msg.setSrcName(hostSrc);

    msg.setTgtSessionId("*");
    msg.setMsgState(MessageState.NEW);
    String para = "Testing messaging para";
    msg.getRecord().setSimpleField("TestMessagingPara", para);

    Criteria cr = new Criteria();
    cr.setInstanceName("*");
    cr.setRecipientInstanceType(InstanceType.CONTROLLER);
    cr.setSessionSpecific(false);

    AsyncCallback callback1 = new MockAsyncCallback();
    int messagesSent = _startCMResultMap.get(hostSrc)._manager.getMessagingService()
        .sendAndWait(cr, msg, callback1, 10000);

    AssertJUnit.assertTrue(callback1.getMessageReplied().get(0).getRecord()
        .getMapField(Message.Attributes.MESSAGE_RESULT.toString())
        .get("ControllerResult").indexOf(hostSrc) != -1);
    AssertJUnit.assertTrue(callback1.getMessageReplied().size() == 1);

    msgId = UUID.randomUUID().toString();
    msg.setMsgId(msgId);
    cr.setPartition("TestDB_17");
    AsyncCallback callback2 = new MockAsyncCallback();
    messagesSent = _startCMResultMap.get(hostSrc)._manager.getMessagingService()
        .sendAndWait(cr, msg, callback2, 10000);
    AssertJUnit.assertTrue(callback2.getMessageReplied().get(0).getRecord()
        .getMapField(Message.Attributes.MESSAGE_RESULT.toString())
        .get("ControllerResult").indexOf(hostSrc) != -1);

    AssertJUnit.assertTrue(callback2.getMessageReplied().size() == 1);

    msgId = UUID.randomUUID().toString();
    msg.setMsgId(msgId);
    cr.setPartitionState("SLAVE");
    AsyncCallback callback3 = new MockAsyncCallback();
    messagesSent = _startCMResultMap.get(hostSrc)._manager.getMessagingService()
        .sendAndWait(cr, msg, callback3, 10000);
    AssertJUnit.assertTrue(callback3.getMessageReplied().get(0).getRecord()
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          {
            List<ZNRecord> records = accessor.getBaseDataAccessor().getChildren(parentPath, null, 0);
            int transitionMsgCount = 0;
            for (ZNRecord record : records)
            {
              Message msg = new Message(record);
              if(msg.getMsgType().equals(Message.MessageType.STATE_TRANSITION.toString()))
              {
                transitionMsgCount++;
              }
            }
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  public void TestParticipantErrorMessageSend()
  {
    String participant1 = "localhost_" + START_PORT;
    String participant2 = "localhost_" + (START_PORT + 1);
   
    Message errorMessage1
      = new Message(MessageType.PARTICIPANT_ERROR_REPORT, UUID.randomUUID().toString());
    errorMessage1.setTgtSessionId("*");
    errorMessage1.getRecord().setSimpleField(DefaultParticipantErrorMessageHandlerFactory.ACTIONKEY, ActionOnError.DISABLE_INSTANCE.toString());
    Criteria recipientCriteria = new Criteria();
    recipientCriteria.setRecipientInstanceType(InstanceType.CONTROLLER);
    recipientCriteria.setSessionSpecific(false);
    _startCMResultMap.get(participant1)._manager.getMessagingService().send(recipientCriteria, errorMessage1);
   
    Message errorMessage2
    = new Message(MessageType.PARTICIPANT_ERROR_REPORT, UUID.randomUUID().toString());
    errorMessage2.setTgtSessionId("*");
    errorMessage2.setResourceName("TestDB");
    errorMessage2.setPartitionName("TestDB_14");
    errorMessage2.getRecord().setSimpleField(DefaultParticipantErrorMessageHandlerFactory.ACTIONKEY, ActionOnError.DISABLE_PARTITION.toString());
    Criteria recipientCriteria2 = new Criteria();
    recipientCriteria2.setRecipientInstanceType(InstanceType.CONTROLLER);
    recipientCriteria2.setSessionSpecific(false);
    _startCMResultMap.get(participant2)._manager.getMessagingService().send(recipientCriteria2, errorMessage2);
 
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      for(String partition : ev.getPartitionSet())
      {
        if(ev.getStateMap(partition).containsKey(instanceName))
        {
          String uuid = UUID.randomUUID().toString();
          Message message = new Message(MessageType.STATE_TRANSITION, uuid);
          boolean rand = new Random().nextInt(10) > 5;
          if(ev.getStateMap(partition).get(instanceName).equals("MASTER"))
          {
            message.setSrcName(manager.getInstanceName());
            message.setTgtName(instanceName);
            message.setMsgState(MessageState.NEW);
            message.setPartitionName(partition);
            message.setResourceName(TEST_DB);
            message.setFromState(rand ? "SLAVE" : "OFFLINE");
            message.setToState(rand ? "MASTER" : "SLAVE");
            message.setTgtSessionId(sessionid);
            message.setSrcSessionId(manager.getSessionId());
            message.setStateModelDef("MasterSlave");
            message.setStateModelFactoryName("DEFAULT");
          }
          else if (ev.getStateMap(partition).get(instanceName).equals("SLAVE"))
          {
            message.setSrcName(manager.getInstanceName());
            message.setTgtName(instanceName);
            message.setMsgState(MessageState.NEW);
            message.setPartitionName(partition);
            message.setResourceName(TEST_DB);
            message.setFromState(rand ? "MASTER" : "OFFLINE");
            message.setToState(rand ? "SLAVE" : "SLAVE");
            message.setTgtSessionId(sessionid);
            message.setSrcSessionId(manager.getSessionId());
            message.setStateModelDef("MasterSlave");
            message.setStateModelFactoryName("DEFAULT");
          }
          accessor.setProperty(accessor.keyBuilder().message(instanceName, message.getMsgId()), message);
        }
      }
    }
    Thread.sleep(3000);
    ExternalView ev2 = accessor.getProperty(kb.externalView(TEST_DB));
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                .getRecord();
    ClusterConstraints constraint = new ClusterConstraints(record);
    // System.out.println("constraint: " + constraint);

    // message1
    Message msg1 =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-001",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
                      "localhost_12918");

    Map<ConstraintAttribute, String> msgAttr =
        ClusterConstraints.toConstraintAttributes(msg1);
    Set<ConstraintItem> matches = constraint.match(msgAttr);
    System.out.println(msg1 + " matches(" + matches.size() + "): " + matches);
    Assert.assertEquals(matches.size(), 5);
    Assert.assertTrue(contains(matches, constraint0));
    Assert.assertTrue(contains(matches, constraint1));
    Assert.assertTrue(contains(matches, constraint2));
    Assert.assertTrue(contains(matches, constraint4));
    Assert.assertTrue(contains(matches, constraint5));

    // message2
    Message msg2 =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-002",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
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    Criteria recipientCriteria = new Criteria();
    recipientCriteria.setInstanceName("localhost_12919");
    recipientCriteria.setRecipientInstanceType(InstanceType.PARTICIPANT);
    recipientCriteria.setSelfExcluded(true);

    Message template = new Message(factory.getMessageType(), UUID.randomUUID().toString());
    AssertJUnit.assertEquals(0, svc.send(recipientCriteria, template));

    recipientCriteria.setSelfExcluded(false);
    AssertJUnit.assertEquals(1, svc.send(recipientCriteria, template));
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    Map<String, Message> batchMessages = new HashMap<String, Message>();
    List<Message> outputMessages = new ArrayList<Message>();

    Iterator<Message> iter = messages.iterator();
    while (iter.hasNext()) {
      Message message = iter.next();
      String resourceName = message.getResourceName();
      Resource resource = resourceMap.get(resourceName);

      String instanceName = message.getTgtName();
      LiveInstance liveInstance = liveInstanceMap.get(instanceName);
      String participantVersion = null;
      if (liveInstance != null) {
        participantVersion = liveInstance.getHelixVersion();
      }

      if (resource == null || !resource.getBatchMessageMode() || participantVersion == null
          || !properties.isFeatureSupported("batch_message", participantVersion)) {
        outputMessages.add(message);
        continue;
      }

      String key =
          keyBuilder.currentState(message.getTgtName(), message.getTgtSessionId(),
              message.getResourceName()).getPath()
              + "/" + message.getFromState() + "/" + message.getToState();

      if (!batchMessages.containsKey(key)) {
        Message batchMessage = new Message(message.getRecord());
        batchMessage.setBatchMessageMode(true);
        outputMessages.add(batchMessage);
        batchMessages.put(key, batchMessage);
      }
      batchMessages.get(key).addPartitionName(message.getPartitionName());
    }
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Related Classes of org.apache.helix.model.Message

  • org.apache.helix.api.accessor.ClusterAccessor
  • org.apache.helix.api.accessor.ParticipantAccessor
  • org.apache.helix.api.config.SchedulerTaskConfig
  • org.apache.helix.api.Resource
  • org.apache.helix.controller.stages.ContainerProvisioningStage
  • org.apache.helix.controller.stages.ExternalViewComputeStage
  • org.apache.helix.controller.stages.MessageGenerationPhase
  • org.apache.helix.controller.stages.MessageGenerationStage
  • org.apache.helix.controller.stages.TaskAssignmentStage
  • org.apache.helix.controller.stages.TestCurrentStateComputationStage
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