org.apache.beam.runners.gearpump.translators

Class GroupByKeyTranslator.GroupByFn<K,V>

java.lang.Object

org.apache.gearpump.streaming.dsl.scalaapi.functions.SerializableFunction

org.apache.gearpump.streaming.dsl.api.functions.MapFunction<T,GROUP>

org.apache.gearpump.streaming.dsl.javaapi.functions.GroupByFunction<WindowedValue<KV<K,V>>,ByteBuffer>

org.apache.beam.runners.gearpump.translators.GroupByKeyTranslator.GroupByFn<K,V>

All Implemented Interfaces:

Serializable

Enclosing class:

GroupByKeyTranslator<K,V>

protected static class GroupByKeyTranslator.GroupByFn<K,V>
extends org.apache.gearpump.streaming.dsl.javaapi.functions.GroupByFunction<WindowedValue<KV<K,V>>,ByteBuffer>

A transform used internally to group KV message by its key.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
ByteBuffer	groupBy(WindowedValue<KV<K,V>> wv)

Methods inherited from class org.apache.gearpump.streaming.dsl.javaapi.functions.GroupByFunction

map

Methods inherited from class org.apache.gearpump.streaming.dsl.api.functions.MapFunction

apply

Methods inherited from class org.apache.gearpump.streaming.dsl.scalaapi.functions.SerializableFunction

setup, teardown

Methods inherited from class java.lang.Object

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

Method Detail

groupBy

public ByteBuffer groupBy(WindowedValue<KV<K,V>> wv)

Specified by:

groupBy in class org.apache.gearpump.streaming.dsl.javaapi.functions.GroupByFunction<WindowedValue<KV<K,V>>,ByteBuffer>