Examples of org.apache.helix.ZNRecord.merge()

org.apache.helix.ZNRecord.merge()
merge functionality is used to merge multiple znrecord into a single one. This will make use of the id of each ZNRecord and append it to every key thus making key unique. This is needed to optimize on the watches. @param record

        {
          CreateMode mode = (persistent) ? CreateMode.PERSISTENT : CreateMode.EPHEMERAL;
          if (record.getDeltaList().size() > 0)
          {
            ZNRecord value = new ZNRecord(record.getId());
            value.merge(record);
            client.create(path, value, mode);
          }
          else
          {
            client.create(path, record, mode);

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        if (mergeOnUpdate)
        {
          ZNRecord curRecord = client.readData(path);
          if (curRecord != null)
          {
            curRecord.merge(record);
            client.asyncSetData(path, curRecord, -1, null);
          }
          else
          {
            client.asyncSetData(path, record, -1, null);

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      {
        CreateMode mode = (persistent) ? CreateMode.PERSISTENT : CreateMode.EPHEMERAL;
        if (record.getDeltaList().size() > 0)
        {
          ZNRecord newRecord = new ZNRecord(record.getId());
          newRecord.merge(record);
          client.create(path, null, mode);


          client.asyncSetData(path, newRecord, -1, null);
        }
        else

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    {
      logger.info("invoking _liveInstanceInfoProvider");
      ZNRecord additionalLiveInstanceInfo = _liveInstanceInfoProvider.getAdditionalLiveInstanceInfo();
      if(additionalLiveInstanceInfo != null)
      {
        additionalLiveInstanceInfo.merge(liveInstance.getRecord());
        ZNRecord mergedLiveInstance = new ZNRecord(additionalLiveInstanceInfo, _instanceName);
        liveInstance = new LiveInstance(mergedLiveInstance);
        logger.info("liveInstance content :" + _instanceName + " " + liveInstance.toString());
      }
    }

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