org.apache.flink.api.java.operators

Class JoinOperator.ProjectFlatJoinFunction<T1,T2,R extends Tuple>

java.lang.Object

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

org.apache.flink.api.common.functions.RichFlatJoinFunction<T1,T2,R>

org.apache.flink.api.java.operators.JoinOperator.ProjectFlatJoinFunction<T1,T2,R>

All Implemented Interfaces:

Serializable, FlatJoinFunction<T1,T2,R>, Function, RichFunction

Enclosing class:

JoinOperator<I1,I2,OUT>

@Internal
public static final class JoinOperator.ProjectFlatJoinFunction<T1,T2,R extends Tuple>
extends RichFlatJoinFunction<T1,T2,R>

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
protected int[]	getFields()
protected boolean[]	getIsFromFirst()
void	join(T1 in1, T2 in2, Collector<R> out) The join method, called once per joined pair of elements.

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

Method Detail

getFields

protected int[] getFields()

getIsFromFirst

protected boolean[] getIsFromFirst()

join

public void join(T1 in1,
                 T2 in2,
                 Collector<R> out)

Description copied from interface: FlatJoinFunction

The join method, called once per joined pair of elements.

Specified by:

join in interface FlatJoinFunction<T1,T2,R extends Tuple>

Specified by:

join in class RichFlatJoinFunction<T1,T2,R extends Tuple>

Parameters:

in1 - The element from first input.

in2 - The element from second input.

out - The collector used to return zero, one, or more elements.