org.apache.flink.api.java.operators.translation

Class PlanUnwrappingSortedGroupCombineOperator.TupleUnwrappingGroupReducer<IN,OUT,K1,K2>

java.lang.Object

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

org.apache.flink.api.java.operators.translation.WrappingFunction<GroupCombineFunction<IN,OUT>>

org.apache.flink.api.java.operators.translation.PlanUnwrappingSortedGroupCombineOperator.TupleUnwrappingGroupReducer<IN,OUT,K1,K2>

All Implemented Interfaces:

Serializable, Function, GroupCombineFunction<Tuple3<K1,K2,IN>,OUT>, RichFunction

Enclosing class:

PlanUnwrappingSortedGroupCombineOperator<IN,OUT,K1,K2>

public static final class PlanUnwrappingSortedGroupCombineOperator.TupleUnwrappingGroupReducer<IN,OUT,K1,K2>
extends WrappingFunction<GroupCombineFunction<IN,OUT>>
implements GroupCombineFunction<Tuple3<K1,K2,IN>,OUT>

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.flink.api.java.operators.translation.WrappingFunction

wrappedFunction

Method Summary

Modifier and Type	Method and Description
void	combine(Iterable<Tuple3<K1,K2,IN>> values, Collector<OUT> out) The combine method, called (potentially multiple timed) with subgroups of elements.
String	toString()

Methods inherited from class org.apache.flink.api.java.operators.translation.WrappingFunction

close, getWrappedFunction, open, setRuntimeContext

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

getIterationRuntimeContext, getRuntimeContext

Methods inherited from class java.lang.Object

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

Method Detail

combine

public void combine(Iterable<Tuple3<K1,K2,IN>> values,
                    Collector<OUT> out)
             throws Exception

Description copied from interface: GroupCombineFunction

The combine method, called (potentially multiple timed) with subgroups of elements.

Specified by:

combine in interface GroupCombineFunction<Tuple3<K1,K2,IN>,OUT>

Parameters:

values - The elements to be combined.

out - The collector to use to return values from the function.

Throws:

Exception - The function may throw Exceptions, which will cause the program to cancel, and may trigger the recovery logic.

toString

public String toString()

Overrides:

toString in class Object