Package cascading.flow.stream.element

Examples of cascading.flow.stream.element.SourceStage

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    if( logicalInput == null )
      logicalInput = inputMap.get( flowProcess.getStringProperty( "cascading.node.source." + id ) );

    if( logicalInput == null )
      return new SourceStage( flowProcess, source );

    return new TezSourceStage( flowProcess, source, logicalInput );
    }
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    return flowProcess.mergeMapIntoConfig( conf, priorConf );
    }

  private SourceStage handleHead( Tap source, FlowProcess flowProcess )
    {
    SourceStage sourceDuct = new SourceStage( flowProcess, source );

    addHead( sourceDuct );

    handleDuct( source, sourceDuct );
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    long processBeginTime = System.currentTimeMillis();

    currentProcess.increment( SliceCounters.Process_Begin_Time, processBeginTime );

    SourceStage streamedHead = streamGraph.getStreamedHead();
    Iterator<Duct> iterator = streamGraph.getHeads().iterator();

    try
      {
      try
        {
        while( iterator.hasNext() )
          {
          Duct next = iterator.next();

          if( next != streamedHead )
            ( (SourceStage) next ).run( null );
          }

        streamedHead.run( input );
        }
      catch( OutOfMemoryError error )
        {
        throw error;
        }
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  protected void buildGraph()
    {
    for( Object rhsElement : node.getSourceTaps() )
      {
      Duct rhsDuct = new SourceStage( tapFlowProcess( (Tap) rhsElement ), (Tap) rhsElement );

      addHead( rhsDuct );

      handleDuct( (FlowElement) rhsElement, rhsDuct );
      }
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Related Classes of cascading.flow.stream.element.SourceStage

  • cascading.flow.hadoop.FlowMapper
  • cascading.flow.hadoop.stream.graph.HadoopMapStreamGraph
  • cascading.flow.local.stream.graph.LocalStepStreamGraph
  • cascading.flow.tez.stream.graph.Hadoop2TezStreamGraph
  • cascading.tuple.TupleEntry
  • cascading.tuple.TupleEntryIterator
  • cascading.flow.stream.duct.DuctException
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