org.apache.flink.api.java.functions

Class RichCoGroupFunction<IN1,IN2,OUT>

java.lang.Object

org.apache.flink.api.common.functions.AbstractRichFunction

org.apache.flink.api.java.functions.RichCoGroupFunction<IN1,IN2,OUT>

Type Parameters:

IN1 - The type of the elements in the first input.

IN2 - The type of the elements in the second input.

OUT - The type of the result elements.

All Implemented Interfaces:

Serializable, CoGroupFunction<IN1,IN2,OUT>, Function, RichFunction

public abstract class RichCoGroupFunction<IN1,IN2,OUT>
extends AbstractRichFunction
implements CoGroupFunction<IN1,IN2,OUT>

Rich variant of the CoGroupFunction. As a RichFunction, it gives access to the RuntimeContext and provides setup and teardown methods: RichFunction.open(org.apache.flink.configuration.Configuration) and RichFunction.close().

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
RichCoGroupFunction()

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	coGroup(Iterable<IN1> first, Iterable<IN2> second, Collector<OUT> out)

Methods inherited from class org.apache.flink.api.common.functions.AbstractRichFunction

close, getIterationRuntimeContext, getRuntimeContext, open, setRuntimeContext

Methods inherited from class java.lang.Object

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

Constructor Detail

RichCoGroupFunction

public RichCoGroupFunction()

Method Detail

coGroup

public abstract void coGroup(Iterable<IN1> first,
           Iterable<IN2> second,
           Collector<OUT> out)
                      throws Exception

Specified by:

coGroup in interface CoGroupFunction<IN1,IN2,OUT>

Throws:

Exception