Package com.linkedin.helix.model

Examples of com.linkedin.helix.model.Message

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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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          {
            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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          String type = getAttributeValue(inputLine, "type:");

          if (type.equals("create"))
          {
            ZNRecord record = getZNRecord(inputLine);
            Message msg = new Message(record);
            String sendSession = getAttributeValue(inputLine, "session:");
            if (sendSession.equals(leaderSession)
                && msg.getMsgType().equals("STATE_TRANSITION")
                && msg.getMsgState() == MessageState.NEW)
            {
              // sendMessageLines.add(inputLine);
              stats.msgSentCount++;

              if (msg.getFromState().equals("OFFLINE")
                  && msg.getToState().equals("SLAVE"))
              {
                stats.msgSentCount_O2S++;
              }
              else if (msg.getFromState().equals("SLAVE")
                  && msg.getToState().equals("MASTER"))
              {
                stats.msgSentCount_S2M++;
              }
              else if (msg.getFromState().equals("MASTER")
                  && msg.getToState().equals("SLAVE"))
              {
                stats.msgSentCount_M2S++;
              }
              // System.out.println("Message create:"+new
              // Timestamp(Long.parseLong(timestamp)));
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      // Parse the message template
      ZNRecord record = new ZNRecord("templateMessage");
      record.getSimpleFields().putAll(
          _message.getRecord().getMapField("MessageTemplate"));
      Message messageTemplate = new Message(record);

      // Parse the criteria
      StringReader sr = new StringReader(_message.getRecord().getSimpleField(
          "Criteria"));
      ObjectMapper mapper = new ObjectMapper();
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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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  void sendMessage(String msgId, String instanceName, String fromState,
      String toState, String partitionKey, int partitionId)
      throws InterruptedException, JsonGenerationException,
      JsonMappingException, IOException
  {
    Message message = new Message(MessageType.STATE_TRANSITION, msgId);
    message.setMsgId(msgId);
    message.setSrcName(srcName);
    message.setTgtName(instanceName);
    message.setMsgState(MessageState.NEW);
    message.setFromState(fromState);
    message.setToState(toState);
    // message.setPartitionId(partitionId);
    message.setPartitionName(partitionKey);

    String path = HelixUtil.getMessagePath(clusterName, instanceName) + "/"
        + message.getId();
    ObjectMapper mapper = new ObjectMapper();
    StringWriter sw = new StringWriter();
    mapper.writeValueUsingView(sw, message, Message.class);
    System.out.println(sw.toString());
    client.delete(path);

    Thread.sleep(10000);
    ZNRecord record = client.readData(HelixUtil.getLiveInstancePath(clusterName,
        instanceName));
    message.setTgtSessionId(record.getSimpleField(
        LiveInstanceProperty.SESSION_ID.toString()).toString());
    client.createPersistent(path, message);
  }
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  {
    if (_manager.isConnected())
    {
      try
      {
        Message nopMsg = new Message(MessageType.NO_OP, UUID.randomUUID().toString());
        nopMsg.setSrcName(_manager.getInstanceName());

        HelixDataAccessor accessor = _manager.getHelixDataAccessor();
        Builder keyBuilder = accessor.keyBuilder();

        if (_manager.getInstanceType() == InstanceType.CONTROLLER
            || _manager.getInstanceType() == InstanceType.CONTROLLER_PARTICIPANT)
        {
          nopMsg.setTgtName("Controller");
          accessor.setProperty(keyBuilder.controllerMessage(nopMsg.getId()), nopMsg);
        }

        if (_manager.getInstanceType() == InstanceType.PARTICIPANT
            || _manager.getInstanceType() == InstanceType.CONTROLLER_PARTICIPANT)
        {
          nopMsg.setTgtName(_manager.getInstanceName());
          accessor.setProperty(keyBuilder.message(nopMsg.getTgtName(), nopMsg.getId()),
                               nopMsg);
        }
        logger.info("Send NO_OP message to " + nopMsg.getTgtName() + ", msgId: "
            + nopMsg.getId());
      }
      catch (Exception e)
      {
        logger.error(e);
      }
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    List<Message> msgList = new ArrayList<Message>();

    int nMsgs1 = 5;
    for(int i = 0; i < nMsgs1; i++)
    {
      Message msg = new Message(factory.getMessageType(), UUID.randomUUID().toString());
      msg.setTgtSessionId(manager.getSessionId());
      msg.setTgtName("Localhost_1123");
      msg.setSrcName("127.101.1.23_2234");
      msg.setCorrelationId(UUID.randomUUID().toString());
      msgList.add(msg);
    }


    int nMsgs2 = 6;
    for(int i = 0; i < nMsgs2; i++)
    {
      Message msg = new Message(factory2.getMessageType(), UUID.randomUUID().toString());
      msg.setTgtSessionId(manager.getSessionId());
      msg.setTgtName("Localhost_1123");
      msg.setSrcName("127.101.1.23_2234");
      msg.setCorrelationId(UUID.randomUUID().toString());
      msgList.add(msg);
    }
    executor.onMessage("someInstance", msgList, changeContext);

    Thread.sleep(1000);
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    List<Message> msgList = new ArrayList<Message>();

    int nMsgs1 = 5;
    for(int i = 0; i < nMsgs1; i++)
    {
      Message msg = new Message(factory.getMessageType(), UUID.randomUUID().toString());
      msg.setTgtSessionId(manager.getSessionId());
      msg.setTgtName("Localhost_1123");
      msg.setSrcName("127.101.1.23_2234");
      msgList.add(msg);
    }


    int nMsgs2 = 4;
    for(int i = 0; i < nMsgs2; i++)
    {
      Message msg = new Message(factory2.getMessageType(), UUID.randomUUID().toString());
      msg.setTgtSessionId(manager.getSessionId());
      msg.setTgtName("Localhost_1123");
      msg.setSrcName("127.101.1.23_2234");
      msgList.add(msg);
    }
    executor.onMessage("someInstance", msgList, changeContext);

    Thread.sleep(1000);
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    List<Message> msgList = new ArrayList<Message>();

    int nMsgs1 = 5;
    for(int i = 0; i < nMsgs1; i++)
    {
      Message msg = new Message(factory.getMessageType(), UUID.randomUUID().toString());
      msg.setTgtSessionId("*");
      msg.setTgtName("");
      msgList.add(msg);
    }


    int nMsgs2 = 4;
    for(int i = 0; i < nMsgs2; i++)
    {
      Message msg = new Message(factory2.getMessageType(), UUID.randomUUID().toString());
      msg.setTgtSessionId("some other session id");
      msg.setTgtName("");
      msgList.add(msg);
    }
    executor.onMessage("someInstance", msgList, changeContext);

    Thread.sleep(1000);
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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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