org.apache.beam.runners.twister2.translators.functions

Class GroupByWindowFunction<K,V,W extends BoundedWindow>

java.lang.Object

org.apache.beam.runners.twister2.translators.functions.GroupByWindowFunction<K,V,W>

All Implemented Interfaces:

FlatMapFunc<<any>,<any>>, TFunction<<any>,<any>>, java.io.Serializable

public class GroupByWindowFunction<K,V,W extends BoundedWindow>
extends java.lang.Object
implements FlatMapFunc<<any>,<any>>

GroupBy window function.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
GroupByWindowFunction(<any> windowingStrategy, <any> reduceFn)

Method Summary

Modifier and Type	Method and Description
void	flatMap(<any> kIteratorKV, RecordCollector<<any>> collector)
void	prepare(TSetContext context) Prepare the function.

Methods inherited from class java.lang.Object

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

Methods inherited from interface edu.iu.dsc.tws.api.tset.fn.TFunction

close, end

Constructor Detail

GroupByWindowFunction

public GroupByWindowFunction(<any> windowingStrategy,
                             <any> reduceFn)

Method Detail

flatMap

public void flatMap(<any> kIteratorKV,
                    RecordCollector<<any>> collector)

Specified by:

flatMap in interface FlatMapFunc<<any>,<any>>

prepare

public void prepare(TSetContext context)

Description copied from interface: TFunction

Prepare the function. Use this context in case you need to add/get inputs

Specified by:

prepare in interface TFunction<<any>,<any>>

Parameters:

context - CONTEXT