org.apache.flink.api.java.record.operators

Class ReduceOperator.WrappingReduceFunction

java.lang.Object

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

org.apache.flink.api.java.operators.translation.WrappingFunction<ReduceFunction>

org.apache.flink.api.java.record.operators.ReduceOperator.WrappingReduceFunction

All Implemented Interfaces:

Serializable, FlatCombineFunction<Record>, Function, GroupReduceFunction<Record,Record>, RichFunction

Direct Known Subclasses:

ReduceOperator.WrappingClassReduceFunction

Enclosing class:

ReduceOperator

public static class ReduceOperator.WrappingReduceFunction
extends WrappingFunction<ReduceFunction>
implements GroupReduceFunction<Record,Record>, FlatCombineFunction<Record>

See Also:

Serialized Form

Field Summary

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

wrappedFunction

Constructor Summary

Constructors

Constructor and Description
ReduceOperator.WrappingReduceFunction(ReduceFunction reducer)

Method Summary

Methods

Modifier and Type	Method and Description
void	combine(Iterable<Record> records, Collector<Record> out)
void	reduce(Iterable<Record> records, Collector<Record> out)

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, toString, wait, wait, wait

Constructor Detail

ReduceOperator.WrappingReduceFunction

public ReduceOperator.WrappingReduceFunction(ReduceFunction reducer)

Method Detail

reduce

public final void reduce(Iterable<Record> records,
          Collector<Record> out)
                  throws Exception

Specified by:

reduce in interface GroupReduceFunction<Record,Record>

Throws:

Exception

combine

public final void combine(Iterable<Record> records,
           Collector<Record> out)
                   throws Exception

Specified by:

combine in interface FlatCombineFunction<Record>

Throws:

Exception