Package org.apache.helix.model

Examples of org.apache.helix.model.Message

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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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    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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  {
    AsyncCallbackService svc = new AsyncCallbackService();
    HelixManager manager = new MockHelixManager();
    NotificationContext changeContext = new NotificationContext(manager);
   
    Message msg = new Message(svc.getMessageType(), UUID.randomUUID().toString());
    msg.setTgtSessionId(manager.getSessionId());
    try
    {
      MessageHandler aHandler = svc.createHandler(msg, changeContext);
    }
    catch(HelixException e)
    {
      AssertJUnit.assertTrue(e.getMessage().indexOf(msg.getMsgId())!= -1);
    }
    Message msg2 = new Message("RandomType", UUID.randomUUID().toString());
    msg2.setTgtSessionId(manager.getSessionId());
    try
    {
      MessageHandler aHandler = svc.createHandler(msg2, changeContext);
    }
    catch(HelixException e)
    {
      AssertJUnit.assertTrue(e.getMessage().indexOf(msg2.getMsgId())!= -1);
    }
    Message msg3 = new Message(svc.getMessageType(), UUID.randomUUID().toString());
    msg3.setTgtSessionId(manager.getSessionId());
    msg3.setCorrelationId("wfwegw");
    try
    {
      MessageHandler aHandler = svc.createHandler(msg3, changeContext);
    }
    catch(HelixException e)
    {
      AssertJUnit.assertTrue(e.getMessage().indexOf(msg3.getMsgId())!= -1);
    }
   
    TestAsyncCallback callback = new TestAsyncCallback();
    String corrId = UUID.randomUUID().toString();
    svc.registerAsyncCallback(corrId, new TestAsyncCallback());
    svc.registerAsyncCallback(corrId, callback);
   
    List<Message> msgSent = new ArrayList<Message>();
    msgSent.add(new Message("Test", UUID.randomUUID().toString()));
    callback.setMessagesSent(msgSent);
   
    msg = new Message(svc.getMessageType(), UUID.randomUUID().toString());
    msg.setTgtSessionId("*");
    msg.setCorrelationId(corrId);
   
    MessageHandler aHandler = svc.createHandler(msg, changeContext);
    Map<String, String> resultMap = new HashMap<String, String>();
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                                                        new Partition("testResourceName_0"))
                                    .size(),
                             0);

    // Add a state transition messages
    Message message = new Message(Message.MessageType.STATE_TRANSITION, "msg1");
    message.setFromState("OFFLINE");
    message.setToState("SLAVE");
    message.setResourceName("testResourceName");
    message.setPartitionName("testResourceName_1");
    message.setTgtName("localhost_3");
    message.setTgtSessionId("session_3");

    Builder keyBuilder = accessor.keyBuilder();
    accessor.setProperty(keyBuilder.message("localhost_" + 3, message.getId()), message);

    runStage(event, new ReadClusterDataStage());
    runStage(event, stage);
    CurrentStateOutput output2 =
        event.getAttribute(AttributeName.CURRENT_STATE.toString());
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    // dummyRecord = new ZNRecord("localhost:8900");
    // List<ZNRecord> recList = new ArrayList<ZNRecord>();
    // recList.add(dummyRecord);

    testListener.Reset();
    Message message = new Message(MessageType.STATE_TRANSITION, UUID.randomUUID().toString());
    message.setTgtSessionId("*");
    message.setResourceName("testResource");
    message.setPartitionName("testPartitionKey");
    message.setStateModelDef("MasterSlave");
    message.setToState("toState");
    message.setFromState("fromState");
    message.setTgtName("testTarget");
    message.setStateModelFactoryName(HelixConstants.DEFAULT_STATE_MODEL_FACTORY);

    accessor.setProperty(keyBuilder.message("localhost_8900", message.getId()), message);
    Thread.sleep(500);
    AssertJUnit.assertTrue(testListener.messageChangeReceived);

    // dummyRecord = new ZNRecord("localhost_9801");
    LiveInstance liveInstance = new LiveInstance("localhost_9801");
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      _startCMResultMap.get(hostDest)._manager.getMessagingService()
          .registerMessageHandlerFactory(_factory.getMessageType(), _factory);
      manager = _startCMResultMap.get(hostDest)._manager;
    }

    Message schedulerMessage = new Message(MessageType.SCHEDULER_MSG + "", UUID
        .randomUUID().toString());
    schedulerMessage.setTgtSessionId("*");
    schedulerMessage.setTgtName("CONTROLLER");
    // TODO: change it to "ADMIN" ?
    schedulerMessage.setSrcName("CONTROLLER");

    // Template for the individual message sent to each participant
    Message msg = new Message(_factory.getMessageType(), "Template");
    msg.setTgtSessionId("*");
    msg.setMsgState(MessageState.NEW);

    // Criteria to send individual messages
    Criteria cr = new Criteria();
    cr.setInstanceName("localhost_%");
    cr.setRecipientInstanceType(InstanceType.PARTICIPANT);
    cr.setSessionSpecific(false);
    cr.setResource("%");
    cr.setPartition("%");

    ObjectMapper mapper = new ObjectMapper();
    SerializationConfig serializationConfig = mapper.getSerializationConfig();
    serializationConfig.set(SerializationConfig.Feature.INDENT_OUTPUT, true);

    StringWriter sw = new StringWriter();
    mapper.writeValue(sw, cr);

    String crString = sw.toString();

    schedulerMessage.getRecord().setSimpleField("Criteria", crString);
    schedulerMessage.getRecord().setMapField("MessageTemplate",
        msg.getRecord().getSimpleFields());
    schedulerMessage.getRecord().setSimpleField("TIMEOUT", "-1");

    HelixDataAccessor helixDataAccessor = manager.getHelixDataAccessor();
    Builder keyBuilder = helixDataAccessor.keyBuilder();
    helixDataAccessor.createProperty(
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      _startCMResultMap.get(hostDest)._manager.getMessagingService()
          .registerMessageHandlerFactory(_factory.getMessageType(), _factory);
      manager = _startCMResultMap.get(hostDest)._manager;
    }

    Message schedulerMessage = new Message(MessageType.SCHEDULER_MSG + "", UUID
        .randomUUID().toString());
    schedulerMessage.setTgtSessionId("*");
    schedulerMessage.setTgtName("CONTROLLER");
    // TODO: change it to "ADMIN" ?
    schedulerMessage.setSrcName("CONTROLLER");

    // Template for the individual message sent to each participant
    Message msg = new Message(_factory.getMessageType(), "Template");
    msg.setTgtSessionId("*");
    msg.setMsgState(MessageState.NEW);

    // Criteria to send individual messages
    Criteria cr = new Criteria();
    cr.setInstanceName("localhost_%");
    cr.setRecipientInstanceType(InstanceType.PARTICIPANT);
    cr.setSessionSpecific(false);
    cr.setResource("%");
    cr.setPartition("%");

    ObjectMapper mapper = new ObjectMapper();
    SerializationConfig serializationConfig = mapper.getSerializationConfig();
    serializationConfig.set(SerializationConfig.Feature.INDENT_OUTPUT, true);

    StringWriter sw = new StringWriter();
    mapper.writeValue(sw, cr);

    String crString = sw.toString();

    schedulerMessage.getRecord().setSimpleField("Criteria", crString);
    schedulerMessage.getRecord().setMapField("MessageTemplate",
        msg.getRecord().getSimpleFields());
    schedulerMessage.getRecord().setSimpleField("TIMEOUT", "-1");
    schedulerMessage.getRecord().setSimpleField("WAIT_ALL", "true");
   
    Criteria cr2 = new Criteria();
    cr2.setRecipientInstanceType(InstanceType.CONTROLLER);
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      _startCMResultMap.get(hostDest)._manager.getMessagingService()
          .registerMessageHandlerFactory(factory.getMessageType(), factory);
      manager = _startCMResultMap.get(hostDest)._manager;
    }

    Message schedulerMessage = new Message(MessageType.SCHEDULER_MSG + "", UUID
        .randomUUID().toString());
    schedulerMessage.setTgtSessionId("*");
    schedulerMessage.setTgtName("CONTROLLER");
    // TODO: change it to "ADMIN" ?
    schedulerMessage.setSrcName("CONTROLLER");

    // Template for the individual message sent to each participant
    Message msg = new Message(factory.getMessageType(), "Template");
    msg.setTgtSessionId("*");
    msg.setMsgState(MessageState.NEW);

    // Criteria to send individual messages
    Criteria cr = new Criteria();
    cr.setInstanceName("localhost_DOESNOTEXIST");
    cr.setRecipientInstanceType(InstanceType.PARTICIPANT);
    cr.setSessionSpecific(false);
    cr.setResource("%");
    cr.setPartition("%");

    ObjectMapper mapper = new ObjectMapper();
    SerializationConfig serializationConfig = mapper.getSerializationConfig();
    serializationConfig.set(SerializationConfig.Feature.INDENT_OUTPUT, true);

    StringWriter sw = new StringWriter();
    mapper.writeValue(sw, cr);

    String crString = sw.toString();

    schedulerMessage.getRecord().setSimpleField("Criteria", crString);
    schedulerMessage.getRecord().setMapField("MessageTemplate",
        msg.getRecord().getSimpleFields());
    schedulerMessage.getRecord().setSimpleField("TIMEOUT", "-1");

    HelixDataAccessor helixDataAccessor = manager.getHelixDataAccessor();
    Builder keyBuilder = helixDataAccessor.keyBuilder();
    PropertyKey controllerMessageKey = keyBuilder
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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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    _startCMResultMap.get(hostSrc)._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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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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