Package org.apache.helix

Examples of org.apache.helix.HelixProperty

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      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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  {

    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(zkClient));

    HelixProperty property = accessor.getProperty(propertyKey);
    ZNRecord record = property == null ? null : property.getRecord();
    return ZNRecordToJson(record);
  }
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  {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(zkClient));

    ZNRecord record = EMPTY_ZNRECORD;
    HelixProperty property = accessor.getProperty(propertyKey);
    if (property != null)
    {
      record = property.getRecord();
    }
    return ObjectToJson(record);
  }
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      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);
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    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);
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        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 =
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    {
      PropertyKey key = keys.get(i);
      PropertyType type = key.getType();
      String path = key.getPath();
      paths.add(path);
      HelixProperty value = children.get(i);
      records.add(value.getRecord());
      options = constructOptions(type);
    }
    return _baseDataAccessor.createChildren(paths, records, options);
  }
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      PropertyType type = key.getType();
      String path = key.getPath();
      paths.add(path);
      options = constructOptions(type);

      HelixProperty value = children.get(i);

      switch (type)
      {
      case EXTERNALVIEW:
        if (value.getBucketSize() == 0)
        {
          records.add(value.getRecord());
        }
        else
        {
          _baseDataAccessor.remove(path, options);

          ZNRecord metaRecord = new ZNRecord(value.getId());
          metaRecord.setSimpleFields(value.getRecord().getSimpleFields());
          records.add(metaRecord);

          ZNRecordBucketizer bucketizer = new ZNRecordBucketizer(value.getBucketSize());

          Map<String, ZNRecord> map = bucketizer.bucketize(value.getRecord());
          List<String> childBucketizedPaths = new ArrayList<String>();
          List<ZNRecord> childBucketizedRecords = new ArrayList<ZNRecord>();
          for (String bucketName : map.keySet())
          {
            childBucketizedPaths.add(path + "/" + bucketName);
            childBucketizedRecords.add(map.get(bucketName));
          }
          bucketizedPaths.set(i, childBucketizedPaths);
          bucketizedRecords.set(i, childBucketizedRecords);
        }
        break;
      default:
        records.add(value.getRecord());
        break;
      }
    }

    // set non-bucketized nodes or parent nodes of bucketized nodes
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    {
      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);
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    }
    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();
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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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