Package cascading.tap.hadoop

Examples of cascading.tap.hadoop.Lfs.openForRead()

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    TupleEntryIterator reader = null;

    try
      {
      reader = temp.openForRead( new HadoopFlowProcess( jobConf ) );

      if( !reader.hasNext() )
        throw new FlowException( "step state path is empty: " + temp.getIdentifier() );

      return reader.next().getString( 0 );
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    Tap<JobConf, RecordReader, OutputCollector> dst = new Lfs(new SequenceFile(OUT_FIELD), getTestRoot()+"/out");

    Flow f = CascadingUtil.get().getFlowConnector().connect(src, dst, pipe);
    f.complete();

    TupleEntryIterator tupleEntryIterator = dst.openForRead(CascadingUtil.get().getFlowProcess());
    List<BytesWritable> outStrings = new ArrayList<BytesWritable>(6);
    while (tupleEntryIterator.hasNext()) {
      TupleEntry next = tupleEntryIterator.next();
      BytesWritable bytes = (BytesWritable) next.getObject(OUT_FIELD);
      outStrings.add(bytes);
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