Package org.apache.helix

Examples of org.apache.helix.HelixProperty

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      public <T extends HelixProperty> List<T> getChildValues(PropertyKey key) {
        PropertyType type = key.getType();
        List<T> result = new ArrayList<T>();
        Class<? extends HelixProperty> clazz = key.getTypeClass();
        if (type == PropertyType.EXTERNALVIEW || type == PropertyType.IDEALSTATES) {
          HelixProperty typedInstance = HelixProperty.convertToTypedInstance(clazz, _externalView);
          result.add((T) typedInstance);
          return result;
        } else if (type == PropertyType.LIVEINSTANCES) {
          return (List<T>) HelixProperty.convertToTypedList(clazz, _liveInstances);
        }
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      Map<String, ZNRecord> currentStates = new HashMap<String, ZNRecord>();
      List<ZNRecord> instanceCurrentStateList = new ArrayList<ZNRecord>();
      for (ZNRecord idealState : idealStateList) {
        String resourceName = idealState.getId();

        HelixProperty property =
            accessor.getProperty(keyBuilder.currentState(host, sessionId, resourceName));
        ZNRecord currentState = null;
        if (property == null) {
          _logger.warn("Resource " + resourceName + " has null currentState");
          currentState = new ZNRecord(resourceName);
        } else {
          currentState = property.getRecord();
        }
        currentStates.put(resourceName, currentState);
        instanceCurrentStateList.add(currentState);
      }
      currentStatesMap.put(host, currentStates);
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      public <T extends HelixProperty> List<T> getChildValues(PropertyKey key) {
        List<T> result = new ArrayList<T>();
        PropertyType type = key.getType();
        Class<? extends HelixProperty> clazz = key.getTypeClass();
        if (type == PropertyType.EXTERNALVIEW) {
          HelixProperty typedInstance = HelixProperty.convertToTypedInstance(clazz, _externalView);
          result.add((T) typedInstance);
          return result;
        } else if (type == PropertyType.LIVEINSTANCES) {
          return (List<T>) HelixProperty.convertToTypedList(clazz, _liveInstances);
        }
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    _setupTool.getClusterManagementTool().addAlert(CLUSTER_NAME, _alertStr2);

    int historySize = 0;
    HelixDataAccessor helixDataAccessor = manager.getHelixDataAccessor();
    Builder keyBuilder = helixDataAccessor.keyBuilder();
    HelixProperty property = helixDataAccessor.getProperty(keyBuilder.alertHistory());
    ZNRecord history = null;
    if (property != null) {
      history = property.getRecord();
      historySize = property.getRecord().getMapFields().size();
    }

    HealthStatsAggregator task = new HealthStatsAggregator(_controller);

    task.aggregate();
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    for (int i = 0; i < 1024; i++) {
      idealState.getRecord().setSimpleField(i + "", bufStr);
    }
    boolean succeed = accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);
    Assert.assertFalse(succeed);
    HelixProperty property =
        accessor.getProperty(keyBuilder.stateTransitionStatus("localhost_12918", "session_1",
            "partition_1"));
    Assert.assertNull(property);

    // legal sized data gets written to zk
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    for (int i = 0; i < 1024; i++) {
      idealState.getRecord().setSimpleField(i + "", bufStr);
    }
    boolean succeed = accessor.setProperty(keyBuilder.idealStates("TestDB_1"), idealState);
    Assert.assertFalse(succeed);
    HelixProperty property = accessor.getProperty(keyBuilder.idealStates("TestDB_1"));
    Assert.assertNull(property);

    // legal sized data gets written to zk
    idealState.getRecord().getSimpleFields().clear();
    idealState.setStateModelDefId(StateModelDefId.from("MasterSlave"));
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        case EXTERNAL_VIEW: {
          // check if bucketized
          BaseDataAccessor<ZNRecord> baseAccessor = new ZkBaseDataAccessor<ZNRecord>(_zkClient);
          List<ZNRecord> records = baseAccessor.getChildren(path, null, 0);
          for (ZNRecord record : records) {
            HelixProperty property = new HelixProperty(record);
            String childPath = path + "/" + record.getId();

            int bucketSize = property.getBucketSize();
            if (bucketSize > 0) {
              // subscribe both data-change and child-change on bucketized parent node
              // data-change gives a delete-callback which is used to remove watch
              subscribeChildChange(childPath, context);
              subscribeDataChange(childPath, context);
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      case CURRENTSTATES:
      case IDEALSTATES:
      case EXTERNALVIEW:
        // check if bucketized
        if (record != null) {
          HelixProperty property = new HelixProperty(record);

          int bucketSize = property.getBucketSize();
          if (bucketSize > 0) {
            List<ZNRecord> childRecords = _baseDataAccessor.getChildren(path, null, options);
            ZNRecord assembledRecord = new ZNRecordAssembler().assemble(childRecords);

            // merge with parent node value
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    case CURRENTSTATES:
    case IDEALSTATES:
    case EXTERNALVIEW:
      // check if bucketized
      if (record != null) {
        HelixProperty property = new HelixProperty(record);

        int bucketSize = property.getBucketSize();
        if (bucketSize > 0) {
          List<ZNRecord> childRecords = _baseDataAccessor.getChildren(path, null, options);
          ZNRecord assembledRecord = new ZNRecordAssembler().assemble(childRecords);

          // merge with parent node value
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        switch (type) {
        case CURRENTSTATES:
        case IDEALSTATES:
        case EXTERNALVIEW:
          if (record != null) {
            HelixProperty property = new HelixProperty(record);

            int bucketSize = property.getBucketSize();
            if (bucketSize > 0) {
              // TODO: fix this if record.id != pathName
              String childPath = parentPath + "/" + record.getId();
              List<ZNRecord> childRecords = _baseDataAccessor.getChildren(childPath, null, options);
              ZNRecord assembledRecord = new ZNRecordAssembler().assemble(childRecords);
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Related Classes of org.apache.helix.HelixProperty

  • org.apache.helix.controller.stages.ClusterDataCache
  • org.apache.helix.controller.stages.StatsAggregationStage
  • org.apache.helix.controller.stages.TestResourceValidationStage
  • org.apache.helix.healthcheck.TestAlertFireHistory
  • org.apache.helix.josql.ClusterJosqlQueryProcessor
  • org.apache.helix.manager.zk.CallbackHandler
  • org.apache.helix.manager.zk.TestZNRecordSizeLimit
  • org.apache.helix.manager.zk.ZkCallbackHandler
  • org.apache.helix.manager.zk.ZKHelixDataAccessor
  • org.apache.helix.messaging.TestDefaultMessagingService$MockHelixManager$MockDataAccessor
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