Package org.apache.helix.PropertyKey

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

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  private void refreshCache() {
    Builder propertyKeyBuilder = new PropertyKey.Builder(cluster);
    HelixDataAccessor helixDataAccessor = admin.getHelixDataAccessor();
    List<LiveInstance> liveInstances =
        helixDataAccessor.getChildValues(propertyKeyBuilder.liveInstances());
    refreshCache(liveInstances);
  }

  private void refreshCache(List<LiveInstance> liveInstances) {
    List<ServiceMetadata> services = new ArrayList<ServiceMetadata>();
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    return _liveInstanceMap;
  }

  public boolean refresh(HelixDataAccessor accessor) {
    Builder keyBuilder = accessor.keyBuilder();
    _liveInstanceMap = accessor.getChildValuesMap(keyBuilder.liveInstances());

    Map<String, Map<String, HealthStat>> hsMap = new HashMap<String, Map<String, HealthStat>>();

    for (String instanceName : _liveInstanceMap.keySet()) {
      // xxx clearly getting znodes for the instance here...so get the
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    }

    Builder keyBuilder = new Builder(manager.getClusterName());
    for (ChangeType notificationType : _notificationTypes) {
      if (notificationType == ChangeType.LIVE_INSTANCE) {
        manager.removeListener(keyBuilder.liveInstances(), _particHolder);
      } else if (notificationType == ChangeType.CONFIG) {
        manager.removeListener(keyBuilder.instanceConfigs(), _particHolder);
      } else if (notificationType == ChangeType.EXTERNAL_VIEW) {
        manager.removeListener(keyBuilder.externalViews(), _particHolder);
      } else {
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        Map<String, String> sessionIdMap = new HashMap<String, String>();
        if (recipientCriteria.isSessionSpecific()) {
          HelixDataAccessor accessor = _manager.getHelixDataAccessor();
          Builder keyBuilder = accessor.keyBuilder();

          List<LiveInstance> liveInstances = accessor.getChildValues(keyBuilder.liveInstances());

          for (LiveInstance liveInstance : liveInstances) {
            sessionIdMap.put(liveInstance.getInstanceName(), liveInstance.getSessionId());
          }
        }
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    Builder keyBuilder = accessor.keyBuilder();

    if (_init) {
      _idealStateCacheMap = accessor.getChildValuesMap(keyBuilder.idealStates());
      _liveInstanceCacheMap = accessor.getChildValuesMap(keyBuilder.liveInstances());
      _instanceConfigCacheMap = accessor.getChildValuesMap(keyBuilder.instanceConfigs());
    }
    _idealStateMap = Maps.newHashMap(_idealStateCacheMap);
    _liveInstanceMap = Maps.newHashMap(_liveInstanceCacheMap);
    _instanceConfigMap = Maps.newHashMap(_instanceConfigCacheMap);
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  }

  public static String parseInstanceName(String actualStatName, HelixManager manager) {
    HelixDataAccessor accessor = manager.getHelixDataAccessor();
    Builder kb = accessor.keyBuilder();
    List<LiveInstance> liveInstances = accessor.getChildValues(kb.liveInstances());
    for (LiveInstance instance : liveInstances) {
      String instanceName = instance.getInstanceName();
      if (actualStatName.startsWith(instanceName)) {
        return instanceName;
      }
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    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    String root = "/" + clusterName;
    if (accessor.getChildNames(keyBuilder.liveInstances()).size() > 0) {
      throw new HelixException(
          "There are still live instances in the cluster, shut them down first.");
    }

    if (accessor.getProperty(keyBuilder.controllerLeader()) != null) {
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    HelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    String root = "/" + clusterName;
    if (accessor.getChildNames(keyBuilder.liveInstances()).size() > 0) {
      throw new HelixException(
          "There are still live instances in the cluster, shut them down first.");
    }

    if (accessor.getProperty(keyBuilder.controllerLeader()) != null) {
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      String stateModelDefName = idealState.getStateModelDefId().stringify();
      StateModelDefinition stateModelDef =
          accessor.getProperty(keyBuilder.stateModelDef(stateModelDefName));
      State masterValue = stateModelDef.getTypedStatesPriorityList().get(0);
      Map<String, LiveInstance> liveInstanceMap =
          accessor.getChildValuesMap(keyBuilder.liveInstances());
      int replicas = Integer.parseInt(idealState.getReplicas());
      return verifyBalanceExternalView(accessor.getProperty(keyBuilder.externalView(_resourceName))
          .getRecord(), numberOfPartitions, masterValue.toString(), replicas,
          liveInstanceMap.size(), idealState.getMaxPartitionsPerInstance());
    }
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        State masterValue = stateModelDef.getTypedStatesPriorityList().get(0);
        int replicas = Integer.parseInt(idealState.getReplicas());
        String instanceGroupTag = idealState.getInstanceGroupTag();
        int instances = 0;
        Map<String, LiveInstance> liveInstanceMap =
            accessor.getChildValuesMap(keyBuilder.liveInstances());
        Map<String, InstanceConfig> instanceCfgMap =
            accessor.getChildValuesMap(keyBuilder.instanceConfigs());
        for (String liveInstanceName : liveInstanceMap.keySet()) {
          if (instanceCfgMap.get(liveInstanceName).containsTag(instanceGroupTag)) {
            instances++;
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