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, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.GroupCombineFunction<org.apache.flink.types.Record,org.apache.flink.types.Record>, org.apache.flink.api.common.functions.GroupReduceFunction<org.apache.flink.types.Record,org.apache.flink.types.Record>, org.apache.flink.api.common.functions.RichFunction

Direct Known Subclasses:

ReduceOperator.WrappingClassReduceFunction

Enclosing class:

ReduceOperator

public static class ReduceOperator.WrappingReduceFunction
extends WrappingFunction<ReduceFunction>
implements org.apache.flink.api.common.functions.GroupReduceFunction<org.apache.flink.types.Record,org.apache.flink.types.Record>, org.apache.flink.api.common.functions.GroupCombineFunction<org.apache.flink.types.Record,org.apache.flink.types.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
WrappingReduceFunction(ReduceFunction reducer)

Method Summary

Modifier and Type	Method and Description
void	combine(Iterable<org.apache.flink.types.Record> records, org.apache.flink.util.Collector<org.apache.flink.types.Record> out)
void	reduce(Iterable<org.apache.flink.types.Record> records, org.apache.flink.util.Collector<org.apache.flink.types.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

WrappingReduceFunction

public WrappingReduceFunction(ReduceFunction reducer)

Method Detail

reduce

public final void reduce(Iterable<org.apache.flink.types.Record> records,
                         org.apache.flink.util.Collector<org.apache.flink.types.Record> out)
                  throws Exception

Specified by:

reduce in interface org.apache.flink.api.common.functions.GroupReduceFunction<org.apache.flink.types.Record,org.apache.flink.types.Record>

Throws:

Exception

combine

public final void combine(Iterable<org.apache.flink.types.Record> records,
                          org.apache.flink.util.Collector<org.apache.flink.types.Record> out)
                   throws Exception

Specified by:

combine in interface org.apache.flink.api.common.functions.GroupCombineFunction<org.apache.flink.types.Record,org.apache.flink.types.Record>

Throws:

Exception