org.apache.flink.api.java.functions

Class RichFlatJoinFunction<IN1,IN2,OUT>

java.lang.Object

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

org.apache.flink.api.java.functions.RichFlatJoinFunction<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, FlatJoinFunction<IN1,IN2,OUT>, Function, RichFunction

Direct Known Subclasses:

JoinOperator.DefaultFlatJoinFunction, JoinOperator.LeftSemiFlatJoinFunction, JoinOperator.ProjectFlatJoinFunction, JoinOperator.RightSemiFlatJoinFunction

public abstract class RichFlatJoinFunction<IN1,IN2,OUT>
extends AbstractRichFunction
implements FlatJoinFunction<IN1,IN2,OUT>

Rich variant of the FlatJoinFunction. 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
RichFlatJoinFunction()

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	join(IN1 first, 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

RichFlatJoinFunction

public RichFlatJoinFunction()

Method Detail

join

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

Specified by:

join in interface FlatJoinFunction<IN1,IN2,OUT>

Throws:

Exception