co.cask.cdap.etl.batch.mapreduce

Class MapReduceTransformExecutorFactory<T>

java.lang.Object

co.cask.cdap.etl.batch.TransformExecutorFactory<T>

co.cask.cdap.etl.batch.mapreduce.MapReduceTransformExecutorFactory<T>

Type Parameters:

T - the type of input for the created transform executors

public class MapReduceTransformExecutorFactory<T>
extends TransformExecutorFactory<T>

Creates transform executors for mapreduce programs.

Field Summary

Fields inherited from class co.cask.cdap.etl.batch.TransformExecutorFactory

isMapPhase, metrics, outputSchema, perStageInputSchemas, pluginInstantiator

Constructor Summary

Constructors

Constructor and Description
MapReduceTransformExecutorFactory(MapReduceTaskContext taskContext, PipelinePluginInstantiator pluginInstantiator, Metrics metrics, Map<String,Map<String,String>> pluginRuntimeArgs, String sourceStageName)

Method Summary

Methods

Modifier and Type	Method and Description
protected BatchRuntimeContext	createRuntimeContext(String stageName)
protected TrackedTransform	getTransformation(String pluginType, String stageName)

Methods inherited from class co.cask.cdap.etl.batch.TransformExecutorFactory

create, getInitializedTransformation, getTrackedAggregateStep, getTrackedEmitKeyStep, getTrackedMergeStep

Methods inherited from class java.lang.Object

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

Constructor Detail

MapReduceTransformExecutorFactory

public MapReduceTransformExecutorFactory(MapReduceTaskContext taskContext,
                                 PipelinePluginInstantiator pluginInstantiator,
                                 Metrics metrics,
                                 Map<String,Map<String,String>> pluginRuntimeArgs,
                                 String sourceStageName)

Method Detail

createRuntimeContext

protected BatchRuntimeContext createRuntimeContext(String stageName)

Specified by:

createRuntimeContext in class TransformExecutorFactory<T>

getTransformation

protected TrackedTransform getTransformation(String pluginType,
                                 String stageName)
                                      throws Exception

Overrides:

getTransformation in class TransformExecutorFactory<T>

Throws:

Exception