Package org.apache.helix.PropertyKey

Examples of org.apache.helix.PropertyKey.Builder.messages()

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    Map<String, Map<String, Message>> msgMap =
        new HashMap<String, Map<String, Message>>();
    for (String instanceName : _liveInstanceMap.keySet())
    {
      Map<String, Message> map =
          accessor.getChildValuesMap(keyBuilder.messages(instanceName));
      msgMap.put(instanceName, map);
    }
    _messageMap = Collections.unmodifiableMap(msgMap);

    Map<String, Map<String, Map<String, CurrentState>>> allCurStateMap =
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          + partitionNames + " on " + instanceName + ", because " + stateModelDef
          + " is NOT found");
    }

    // check there is no pending messages for the partitions exist
    List<Message> messages = accessor.getChildValues(keyBuilder.messages(instanceName));
    for (Message message : messages)
    {
      if (!MessageType.STATE_TRANSITION.toString().equalsIgnoreCase(message.getMsgType())
          || !sessionId.equals(message.getTgtSessionId())
          || !resourceName.equals(message.getResourceName())
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      {
        MessageListener messageListener = (MessageListener) _listener;
        subscribeForChanges(changeContext, _path, true, false);
        String instanceName = PropertyPathConfig.getInstanceNameFromPath(_path);
        List<Message> messages =
            _accessor.getChildValues(keyBuilder.messages(instanceName));

        messageListener.onMessage(instanceName, messages, changeContext);

      }
      else if (_changeType == MESSAGES_CONTROLLER)
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    // round1: controller sends O->S to both node0 and node1
    Thread.sleep(1000);

    Builder keyBuilder = accessor.keyBuilder();
    List<String> messages = accessor.getChildNames(keyBuilder.messages("localhost_0"));
    Assert.assertEquals(messages.size(), 1);
    messages = accessor.getChildNames(keyBuilder.messages("localhost_1"));
    Assert.assertEquals(messages.size(), 1);

    // round2: node0 and node1 update current states but not removing messages
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    Thread.sleep(1000);

    Builder keyBuilder = accessor.keyBuilder();
    List<String> messages = accessor.getChildNames(keyBuilder.messages("localhost_0"));
    Assert.assertEquals(messages.size(), 1);
    messages = accessor.getChildNames(keyBuilder.messages("localhost_1"));
    Assert.assertEquals(messages.size(), 1);

    // round2: node0 and node1 update current states but not removing messages
    // controller's rebalance pipeline should be triggered but since messages are not
    // removed
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                    resourceName,
                    resourceName + "_0",
                    "session_1",
                    "SLAVE");
    Thread.sleep(1000);
    messages = accessor.getChildNames(keyBuilder.messages("localhost_0"));
    Assert.assertEquals(messages.size(), 1);

    messages = accessor.getChildNames(keyBuilder.messages("localhost_1"));
    Assert.assertEquals(messages.size(), 1);
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                    "SLAVE");
    Thread.sleep(1000);
    messages = accessor.getChildNames(keyBuilder.messages("localhost_0"));
    Assert.assertEquals(messages.size(), 1);

    messages = accessor.getChildNames(keyBuilder.messages("localhost_1"));
    Assert.assertEquals(messages.size(), 1);

    // round3: node0 removes message and controller's rebalance pipeline should be
    // triggered
    // and sends S->M to node0
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    Assert.assertEquals(messages.size(), 1);

    // round3: node0 removes message and controller's rebalance pipeline should be
    // triggered
    // and sends S->M to node0
    messages = accessor.getChildNames(keyBuilder.messages("localhost_0"));
    accessor.removeProperty(keyBuilder.message("localhost_0", messages.get(0)));
    Thread.sleep(1000);

    messages = accessor.getChildNames(keyBuilder.messages("localhost_0"));
    Assert.assertEquals(messages.size(), 1);
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    // and sends S->M to node0
    messages = accessor.getChildNames(keyBuilder.messages("localhost_0"));
    accessor.removeProperty(keyBuilder.message("localhost_0", messages.get(0)));
    Thread.sleep(1000);

    messages = accessor.getChildNames(keyBuilder.messages("localhost_0"));
    Assert.assertEquals(messages.size(), 1);
    ZNRecord msg =
        accessor.getProperty(keyBuilder.message("localhost_0", messages.get(0)))
                .getRecord();
    String toState = msg.getSimpleField(Attributes.TO_STATE.toString());
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    Assert.assertEquals(message.getTgtName(), "localhost_1");

    // round3: remove O->S for localhost_0, controller should now send O->DROPPED to
    // localhost_0
    Builder keyBuilder = accessor.keyBuilder();
    List<String> msgIds = accessor.getChildNames(keyBuilder.messages("localhost_0"));
    accessor.removeProperty(keyBuilder.message("localhost_0", msgIds.get(0)));
    runPipeline(event, dataRefresh);
    runPipeline(event, rebalancePipeline);
    msgSelOutput = event.getAttribute(AttributeName.MESSAGES_SELECTED.toString());
    messages = msgSelOutput.getMessages(resourceName, new Partition(resourceName + "_0"));
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