co.cask.cdap.etl.batch

Class KVTransformations.KVWrappedTransformation<IN,OUT>

java.lang.Object

co.cask.cdap.etl.batch.KVTransformations.KVWrappedTransformation<IN,OUT>

Type Parameters:

IN - type of input

OUT - type of output

All Implemented Interfaces:

Transformation<KeyValue<String,IN>,KeyValue<String,OUT>>

Enclosing class:

KVTransformations

public static class KVTransformations.KVWrappedTransformation<IN,OUT>
extends Object
implements Transformation<KeyValue<String,IN>,KeyValue<String,OUT>>

Unwraps (stageName, input) to input, applies transformation and wraps output to (stageName, output)

Constructor Summary

Constructors

Constructor and Description
KVTransformations.KVWrappedTransformation(String stageName, Transformation<IN,OUT> transformation)

Method Summary

Methods

Modifier and Type	Method and Description
void	transform(KeyValue<String,IN> input, Emitter<KeyValue<String,OUT>> emitter)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

KVTransformations.KVWrappedTransformation

public KVTransformations.KVWrappedTransformation(String stageName,
                                         Transformation<IN,OUT> transformation)

Method Detail

transform

public void transform(KeyValue<String,IN> input,
             Emitter<KeyValue<String,OUT>> emitter)
               throws Exception

Specified by:

transform in interface Transformation<KeyValue<String,IN>,KeyValue<String,OUT>>

Throws:

Exception