Package org.apache.helix.model

Examples of org.apache.helix.model.Message

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            sessionIdMap.put(liveInstance.getInstanceName(), liveInstance.getSessionId());
          }
        }
        for (Map<String, String> map : matchedList) {
          String id = UUID.randomUUID().toString();
          Message newMessage = new Message(message.getRecord(), id);
          String srcInstanceName = _manager.getInstanceName();
          String tgtInstanceName = map.get("instanceName");
          // Don't send message to self
          if (recipientCriteria.isSelfExcluded()
              && srcInstanceName.equalsIgnoreCase(tgtInstanceName)) {
            continue;
          }
          newMessage.setSrcName(srcInstanceName);
          newMessage.setTgtName(tgtInstanceName);
          newMessage.setResourceName(map.get("resourceName"));
          newMessage.setPartitionName(map.get("partitionName"));
          if (recipientCriteria.isSessionSpecific()) {
            newMessage.setTgtSessionId(sessionIdMap.get(tgtInstanceName));
          }
          messages.add(newMessage);
        }
        messagesToSendMap.put(InstanceType.PARTICIPANT, messages);
      }
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  }

  private List<Message> generateMessagesForController(Message message) {
    List<Message> messages = new ArrayList<Message>();
    String id = UUID.randomUUID().toString();
    Message newMessage = new Message(message.getRecord(), id);
    newMessage.setMsgId(id);
    newMessage.setSrcName(_manager.getInstanceName());
    newMessage.setTgtName("Controller");
    messages.add(newMessage);
    return messages;
  }
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  }

  public void sendNopMessage() {
    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);
        }
      } catch (Exception e) {
        _logger.error(e);
      }
    }
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    MessageSelectionStageOutput msgSelOutput =
        event.getAttribute(AttributeName.MESSAGES_SELECTED.toString());
    List<Message> messages =
        msgSelOutput.getMessages(resourceName, new Partition(resourceName + "_0"));
    Assert.assertEquals(messages.size(), 1, "Should output 1 message: SLAVE-MASTER for node1");
    Message message = messages.get(0);
    Assert.assertEquals(message.getFromState(), "SLAVE");
    Assert.assertEquals(message.getToState(), "MASTER");
    Assert.assertEquals(message.getTgtName(), "localhost_1");

    // round2: updates node0 currentState to SLAVE but keep the
    // message, make sure controller should not send S->M until removal is done
    setupLiveInstances(clusterName, new int[] {
      0
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          _factory.getMessageType(), _factory);

      manager = _participants[i]; // _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");
    schedulerMessage.getRecord().setSimpleField(
        DefaultSchedulerMessageHandlerFactory.SCHEDULER_TASK_QUEUE, "TestSchedulerMsg");
    // 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(keyBuilder.controllerMessage(schedulerMessage.getMsgId()),
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          _factory.getMessageType(), _factory);

      manager = _participants[i]; // _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");
    // schedulerMessage.getRecord().setSimpleField(DefaultSchedulerMessageHandlerFactory.SCHEDULER_TASK_QUEUE,
    // "TestSchedulerMsg");
    // 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(keyBuilder.controllerMessage(schedulerMessage.getMsgId()),
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          _factory.getMessageType(), _factory);

      manager = _participants[i]; // _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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          factory.getMessageType(), factory);

      manager = _participants[i]; // _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.controllerMessage(schedulerMessage.getMsgId());
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          _factory.getMessageType(), _factory);

      manager = _participants[i]; // _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");

    schedulerMessage.getRecord().setSimpleField(
        DefaultSchedulerMessageHandlerFactory.SCHEDULER_TASK_QUEUE, "TestSchedulerMsg3");
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          _factory.getMessageType(), _factory);

      manager = _participants[i]; // _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("TestDB");
    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");

    schedulerMessage.getRecord().setSimpleField(
        DefaultSchedulerMessageHandlerFactory.SCHEDULER_TASK_QUEUE, "TestSchedulerMsg4");
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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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