Java TupleEntry.getObject Examples

Example #1

File: MergeHyperLogLog.java Project: jagosan/superwebanalytics

  @Override
  public void operate(FlowProcess flowProcess, BufferCall bufferCall) {
    Iterator<TupleEntry> it = bufferCall.getArgumentsIterator();
    HyperLogLog merged = null;

    try {
      while (it.hasNext()) {
        TupleEntry tupleEntry = it.next();
        byte[] serialized = (byte[]) tupleEntry.getObject(0);

        HyperLogLog hll = HyperLogLog.Builder.build(serialized);
        if (merged == null) {
          merged = hll;
        } else {
          merged = (HyperLogLog) merged.merge(hll);
        }
      }
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }