Package com.linkedin.helix.model

Examples of com.linkedin.helix.model.Message

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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, 2000);

    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, 2000);
    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, 2000);
    AssertJUnit.assertTrue(callback3.getMessageReplied().get(0).getRecord()
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    int nMsgs = 5;

    List<Message> messageSent = new ArrayList<Message>();
    for(int i = 0;i < nMsgs; i++)
    {
      messageSent.add(new Message("Test", UUID.randomUUID().toString()));
    }

    callback.setMessagesSent(messageSent);

    for(int i = 0;i < nMsgs; i++)
    {
      AssertJUnit.assertFalse(callback.isDone());
      callback.onReply(new Message("TestReply", UUID.randomUUID().toString()));
    }
    AssertJUnit.assertTrue(callback.isDone());

    AssertJUnit.assertTrue(callback._onTimeOutCalled == 0 );

    sleep(50);
    callback = new AsyncCallbackSample();
    callback.setMessagesSent(messageSent);
    callback.setTimeout(1000);
    sleep(50);
    callback.startTimer();
    AssertJUnit.assertFalse(callback.isTimedOut());
    for(int i = 0;i < nMsgs - 1; i++)
    {
      sleep(50);
      AssertJUnit.assertFalse(callback.isDone());
      AssertJUnit.assertTrue(callback._onReplyMessageCalled == i);
      callback.onReply(new Message("TestReply", UUID.randomUUID().toString()));
    }
    sleep(1000);
    AssertJUnit.assertTrue(callback.isTimedOut());
    AssertJUnit.assertTrue(callback._onTimeOutCalled == 1 );
    AssertJUnit.assertFalse(callback.isDone());

    callback = new AsyncCallbackSample();
    callback.setMessagesSent(messageSent);
    callback.setTimeout(1000);
    callback.startTimer();
    sleep(50);
    AssertJUnit.assertFalse(callback.isTimedOut());
    for(int i = 0;i < nMsgs; i++)
    {
      AssertJUnit.assertFalse(callback.isDone());
      sleep(50);
      AssertJUnit.assertTrue(callback._onReplyMessageCalled == i);
      callback.onReply(new Message("TestReply", UUID.randomUUID().toString()));
    }
    AssertJUnit.assertTrue(callback.isDone());
    sleep(1300);
    AssertJUnit.assertFalse(callback.isTimedOut());
    AssertJUnit.assertTrue(callback._onTimeOutCalled == 0 );
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      _groupMsgHandler.put(message);

      List<String> partitionNames = message.getPartitionNames();
      for (String partitionName : partitionNames)
      {
        Message subMsg = new Message(message.getRecord());
        subMsg.setPartitionName(partitionName);
        subMsg.setAttribute(Attributes.PARENT_MSG_ID, message.getId());

        LOG.info("Creating handler for group message " + subMsg.getMsgId() + "/"
            + partitionName);
        MessageHandler handler = createMessageHandler(subMsg, changeContext);
        if (handler != null)
        {
          handlers.add(handler);
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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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    {
      // OK
    }
    MessageSelectionStageOutput msgSelectOutput = new MessageSelectionStageOutput();
    List<Message> selectMessages = new ArrayList<Message>();
    Message msg =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-001",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
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    MessageThrottleStage throttleStage = new MessageThrottleStage();

    // test constraintSelection
    // message1: hit contraintSelection rule1 and rule2
    Message msg1 =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-001",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
                      "localhost_0");

    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(containsConstraint(matches, constraint0));
    Assert.assertTrue(containsConstraint(matches, constraint1));
    Assert.assertTrue(containsConstraint(matches, constraint2));
    Assert.assertTrue(containsConstraint(matches, constraint4));
    Assert.assertTrue(containsConstraint(matches, constraint5));

    matches = throttleStage.selectConstraints(matches, msgAttr);
    System.out.println(msg1 + " matches(" + matches.size() + "): " + matches);
    Assert.assertEquals(matches.size(), 2);
    Assert.assertTrue(containsConstraint(matches, constraint1));
    Assert.assertTrue(containsConstraint(matches, constraint5));

    // message2: hit contraintSelection rule1, rule2, and rule3
    Message msg2 =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-002",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
                      "localhost_1");

    msgAttr = ClusterConstraints.toConstraintAttributes(msg2);
    matches = constraint.match(msgAttr);
    System.out.println(msg2 + " matches(" + matches.size() + "): " + matches);
    Assert.assertEquals(matches.size(), 5);
    Assert.assertTrue(containsConstraint(matches, constraint0));
    Assert.assertTrue(containsConstraint(matches, constraint1));
    Assert.assertTrue(containsConstraint(matches, constraint2));
    Assert.assertTrue(containsConstraint(matches, constraint3));
    Assert.assertTrue(containsConstraint(matches, constraint4));

    matches = throttleStage.selectConstraints(matches, msgAttr);
    System.out.println(msg2 + " matches(" + matches.size() + "): " + matches);
    Assert.assertEquals(matches.size(), 2);
    Assert.assertTrue(containsConstraint(matches, constraint1));
    Assert.assertTrue(containsConstraint(matches, constraint3));

    // test messageThrottleStage
    ClusterEvent event = new ClusterEvent("testEvent");
    event.addAttribute("helixmanager", manager);

    Pipeline dataRefresh = new Pipeline();
    dataRefresh.addStage(new ReadClusterDataStage());
    runPipeline(event, dataRefresh);
    runStage(event, new ResourceComputationStage());
    MessageSelectionStageOutput msgSelectOutput = new MessageSelectionStageOutput();

    Message msg3 =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-003",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
                      "localhost_0");

    Message msg4 =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-004",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
                      "localhost_0");

    Message msg5 =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-005",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
                      "localhost_0");

    Message msg6 =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-006",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
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  {
    System.out.println("START TestDefaultControllerMsgHandlerFactory at " + new Date(System.currentTimeMillis()));

    DefaultControllerMessageHandlerFactory facotry = new DefaultControllerMessageHandlerFactory();

    Message message = new Message(MessageType.NO_OP, "0");
    NotificationContext context = new NotificationContext(null);

    boolean exceptionCaught = false;
    try
    {
      MessageHandler handler = facotry.createHandler(message, context);
    } catch (HelixException e)
    {
      exceptionCaught = true;
    }
    AssertJUnit.assertTrue(exceptionCaught);

    message = new Message(MessageType.CONTROLLER_MSG, "1");
    exceptionCaught = false;
    try
    {
      MessageHandler handler = facotry.createHandler(message, context);
    } catch (HelixException e)
    {
      exceptionCaught = true;
    }
    AssertJUnit.assertFalse(exceptionCaught);

    Map<String, String> resultMap = new HashMap<String, String>();
    message = new Message(MessageType.NO_OP, "3");
    DefaultControllerMessageHandler defaultHandler = new DefaultControllerMessageHandler(message, context);
    try
    {
      defaultHandler.handleMessage();
    } catch (HelixException e)
    {
      exceptionCaught = true;
    }
    catch (InterruptedException e)
    {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    AssertJUnit.assertTrue(exceptionCaught);

    message = new Message(MessageType.CONTROLLER_MSG, "4");
    defaultHandler = new DefaultControllerMessageHandler(message, context);
    exceptionCaught = false;
    try
    {
      defaultHandler.handleMessage();
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                                  String fromState,
                                  String toState,
                                  String resourceName,
                                  String tgtName)
  {
    Message msg = new Message(type.toString(), msgId);
    msg.setFromState(fromState);
    msg.setToState(toState);
    msg.getRecord().setSimpleField(Attributes.RESOURCE_NAME.toString(), resourceName);
    msg.setTgtName(tgtName);
    return msg;
  }
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Related Classes of com.linkedin.helix.model.Message

  • com.linkedin.helix.controller.stages.MessageGenerationPhase
  • com.linkedin.helix.controller.stages.TaskAssignmentStage
  • com.linkedin.helix.controller.stages.TestCurrentStateComputationStage
  • com.linkedin.helix.controller.stages.TestMessageThrottleStage
  • com.linkedin.helix.controller.stages.TestRebalancePipeline
  • com.linkedin.helix.examples.BootstrapHandler$BootstrapStateModel
  • com.linkedin.helix.integration.TestMessagePartitionStateMismatch
  • com.linkedin.helix.integration.TestMessageThrottle
  • com.linkedin.helix.integration.TestMessagingService
  • com.linkedin.helix.integration.TestParticipantErrorMessage
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