edu.snu.coral.compiler.optimizer.examples

Class EmptyComponents.EmptyTransform<I,O>

java.lang.Object

edu.snu.coral.compiler.optimizer.examples.EmptyComponents.EmptyTransform<I,O>

Type Parameters:

I - input type.

O - output type.

All Implemented Interfaces:

Transform<I,O>, Serializable

Enclosing class:

EmptyComponents

public static class EmptyComponents.EmptyTransform<I,O>
extends Object
implements Transform<I,O>

An empty transform.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface edu.snu.coral.common.ir.vertex.transform.Transform

Transform.Context

Constructor Summary

Constructors

Constructor and Description
EmptyTransform(String name) Default constructor.

Method Summary

Modifier and Type	Method and Description
void	close() Close the transform.
void	onData(Iterator<I> elements, String srcVertexId) On data received.
void	prepare(Transform.Context context, OutputCollector<O> outputCollector) Prepare the transform.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyTransform

public EmptyTransform(String name)

Default constructor.

Parameters:

name - name of the empty transform.

Method Detail

toString

public final String toString()

Overrides:

toString in class Object

prepare

public void prepare(Transform.Context context,
                    OutputCollector<O> outputCollector)

Description copied from interface: Transform

Prepare the transform.

Specified by:

prepare in interface Transform<I,O>

Parameters:

context - of the transform.

outputCollector - that collects outputs.

onData

public void onData(Iterator<I> elements,
                   String srcVertexId)

Description copied from interface: Transform

On data received.

Specified by:

onData in interface Transform<I,O>

Parameters:

elements - data received.

srcVertexId - sender of the data.

close

public void close()

Description copied from interface: Transform

Close the transform.

Specified by:

close in interface Transform<I,O>