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

Class PlanUnwrappingReduceGroupOperator.TupleUnwrappingGroupCombinableGroupReducer<IN,OUT,K>

java.lang.Object

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

org.apache.flink.api.java.operators.translation.WrappingFunction<org.apache.flink.api.common.functions.RichGroupReduceFunction<IN,OUT>>

org.apache.flink.api.java.operators.translation.PlanUnwrappingReduceGroupOperator.TupleUnwrappingGroupCombinableGroupReducer<IN,OUT,K>

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.GroupCombineFunction<Tuple2<K,IN>,Tuple2<K,IN>>, org.apache.flink.api.common.functions.GroupReduceFunction<Tuple2<K,IN>,OUT>, org.apache.flink.api.common.functions.RichFunction

Enclosing class:

PlanUnwrappingReduceGroupOperator<IN,OUT,K>

public static final class PlanUnwrappingReduceGroupOperator.TupleUnwrappingGroupCombinableGroupReducer<IN,OUT,K>
extends WrappingFunction<org.apache.flink.api.common.functions.RichGroupReduceFunction<IN,OUT>>
implements org.apache.flink.api.common.functions.GroupReduceFunction<Tuple2<K,IN>,OUT>, org.apache.flink.api.common.functions.GroupCombineFunction<Tuple2<K,IN>,Tuple2<K,IN>>

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<Tuple2<K,IN>> values, org.apache.flink.util.Collector<Tuple2<K,IN>> out)
void	reduce(Iterable<Tuple2<K,IN>> values, org.apache.flink.util.Collector<OUT> out)
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

reduce

public void reduce(Iterable<Tuple2<K,IN>> values,
                   org.apache.flink.util.Collector<OUT> out)
            throws Exception

Specified by:

reduce in interface org.apache.flink.api.common.functions.GroupReduceFunction<Tuple2<K,IN>,OUT>

Throws:

Exception

combine

public void combine(Iterable<Tuple2<K,IN>> values,
                    org.apache.flink.util.Collector<Tuple2<K,IN>> out)
             throws Exception

Specified by:

combine in interface org.apache.flink.api.common.functions.GroupCombineFunction<Tuple2<K,IN>,Tuple2<K,IN>>

Throws:

Exception

toString

public String toString()

Overrides:

toString in class Object