Examples of MRReader


Examples of org.apache.tez.mapreduce.lib.MRReader

    lock.lock();
    try {
      Preconditions.checkState(eventCount.get() + inputEvents.size() <= getNumPhysicalInputs(),
          "Unexpected event. All physical sources already initialized");
      for (Event event : inputEvents) {
        MRReader reader = initFromEvent((InputDataInformationEvent) event);
        readers.add(reader);
        if (eventCount.incrementAndGet() == getNumPhysicalInputs()) {
          getContext().inputIsReady();
          condition.signal();
        }
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Examples of org.apache.tez.mapreduce.lib.MRReader

  private MRReader initFromEvent(InputDataInformationEvent event) throws IOException {
    Preconditions.checkState(event != null, "Event must be specified");
    LOG.info("Initializing Reader: " + eventCount.get());
    MRSplitProto splitProto = MRSplitProto.parseFrom(ByteString.copyFrom(event.getUserPayload()));
    Object split = null;
    MRReader reader = null;
    JobConf localJobConf = new JobConf(jobConf);
    if (useNewApi) {
      split = MRInputUtils.getNewSplitDetailsFromEvent(splitProto, localJobConf);
      reader = new MRReaderMapReduce(localJobConf, (org.apache.hadoop.mapreduce.InputSplit) split,
          getContext().getCounters(), inputRecordCounter, getContext().getApplicationId()
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