org.apache.beam.runners.gearpump.translators

Class GroupByKeyTranslator.GroupByFn<K,V>

java.lang.Object

io.gearpump.streaming.dsl.api.functions.SerializableFunction

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

io.gearpump.streaming.dsl.javaapi.functions.GroupByFunction<org.apache.beam.sdk.util.WindowedValue<KV<K,V>>,java.nio.ByteBuffer>

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

All Implemented Interfaces:

java.io.Serializable

Enclosing class:

GroupByKeyTranslator<K,V>

protected static class GroupByKeyTranslator.GroupByFn<K,V>
extends io.gearpump.streaming.dsl.javaapi.functions.GroupByFunction<org.apache.beam.sdk.util.WindowedValue<KV<K,V>>,java.nio.ByteBuffer>

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

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
java.nio.ByteBuffer	groupBy(org.apache.beam.sdk.util.WindowedValue<KV<K,V>> wv)

Methods inherited from class io.gearpump.streaming.dsl.javaapi.functions.GroupByFunction

map

Methods inherited from class io.gearpump.streaming.dsl.api.functions.MapFunction

apply

Methods inherited from class io.gearpump.streaming.dsl.api.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 java.nio.ByteBuffer groupBy(org.apache.beam.sdk.util.WindowedValue<KV<K,V>> wv)

Specified by:

groupBy in class io.gearpump.streaming.dsl.javaapi.functions.GroupByFunction<org.apache.beam.sdk.util.WindowedValue<KV<K,V>>,java.nio.ByteBuffer>