Examples of org.apache.crunch.Union

org.apache.crunch.Union
Allows us to represent the combination of multiple data sources that may contain different types of data as a single type with an index to indicate which of the original sources the current record was from.


    @Override
    public Union map(UnionWritable in) {
      int index = in.getIndex();
      Writable w = create(writableClasses.get(index), in.getValue());
      return new Union(index, fns.get(index).map(w));
    }

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    @Override
    public Union map(UnionWritable in) {
      int index = in.getIndex();
      Writable w = create(writableClasses.get(index), in.getValue());
      return new Union(index, fns.get(index).map(w));
    }

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    }


    @Override
    public Union map(GenericRecord input) {
      int index = (Integer) input.get(0);
      return new Union(index, fns.get(index).map(input.get(1)));
    }

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    if (source == null) {
      return null;
    }
    int index = source.getIndex();
    Object copy = elementTypes.get(index).getDetachedValue(source.getValue());
    return new Union(index, copy);
  }

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    }


    @Override
    public Union map(GenericRecord input) {
      int index = (Integer) input.get(0);
      return new Union(index, fns.get(index).map(input.get(1)));
    }

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      this.index = index;
    }


    @Override
    public Union map(T input) {
      return new Union(index, input);
    }

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    @Override
    public Union map(UnionWritable in) {
      int index = in.getIndex();
      Writable w = create(writableClasses.get(index), in.getValue());
      return new Union(index, fns.get(index).map(w));
    }

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    @Override
    public Union map(UnionWritable in) {
      int index = in.getIndex();
      Writable w = create(writableClasses.get(index), in.getValue());
      return new Union(index, fns.get(index).map(w));
    }

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Related Classes of org.apache.crunch.Union

org.apache.crunch.lib.Cogroup$CogroupFn

org.apache.crunch.types.avro.Avros$UnionRecordToTuple

org.apache.crunch.types.UnionDeepCopier

org.apache.crunch.types.writable.Writables$UWInputFn

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