org.apache.flink.runtime.iterative.io

Class WorksetUpdateOutputCollector<T>

java.lang.Object

org.apache.flink.runtime.iterative.io.WorksetUpdateOutputCollector<T>

All Implemented Interfaces:

Collector<T>

public class WorksetUpdateOutputCollector<T>
extends Object
implements Collector<T>

A Collector to update the iteration workset (partial solution for bulk iterations).

The records are written to a DataOutputView to allow in-memory data exchange.

Constructor Summary

Constructors

Constructor and Description
WorksetUpdateOutputCollector(DataOutputView outputView, TypeSerializer<T> serializer)
WorksetUpdateOutputCollector(DataOutputView outputView, TypeSerializer<T> serializer, Collector<T> delegate)

Method Summary

Modifier and Type	Method and Description
void	close()
void	collect(T record)
long	getElementsCollectedAndReset()

Methods inherited from class java.lang.Object

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

Constructor Detail

WorksetUpdateOutputCollector

public WorksetUpdateOutputCollector(DataOutputView outputView,
                                    TypeSerializer<T> serializer)

WorksetUpdateOutputCollector

public WorksetUpdateOutputCollector(DataOutputView outputView,
                                    TypeSerializer<T> serializer,
                                    Collector<T> delegate)

Method Detail

collect

public void collect(T record)

Specified by:

collect in interface Collector<T>

getElementsCollectedAndReset

public long getElementsCollectedAndReset()

close

public void close()

Specified by:

close in interface Collector<T>