org.apache.beam.runners.gearpump.translators

Class GroupByKeyTranslator.KeyedByTimestamp<K,V>

java.lang.Object

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

org.apache.gearpump.streaming.dsl.api.functions.MapFunction<org.apache.beam.sdk.util.WindowedValue<KV<K,V>>,KV<Instant,org.apache.beam.sdk.util.WindowedValue<KV<K,V>>>>

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

All Implemented Interfaces:

java.io.Serializable

Enclosing class:

GroupByKeyTranslator<K,V>

protected static class GroupByKeyTranslator.KeyedByTimestamp<K,V>
extends org.apache.gearpump.streaming.dsl.api.functions.MapFunction<org.apache.beam.sdk.util.WindowedValue<KV<K,V>>,KV<Instant,org.apache.beam.sdk.util.WindowedValue<KV<K,V>>>>

A transform used internally to transform WindowedValue to KV.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
KeyedByTimestamp(WindowFn<KV<K,V>,BoundedWindow> windowFn, TimestampCombiner timestampCombiner)

Method Summary

Modifier and Type	Method and Description
KV<Instant,org.apache.beam.sdk.util.WindowedValue<KV<K,V>>>	map(org.apache.beam.sdk.util.WindowedValue<KV<K,V>> wv)

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

Constructor Detail

KeyedByTimestamp

public KeyedByTimestamp(WindowFn<KV<K,V>,BoundedWindow> windowFn,
                        TimestampCombiner timestampCombiner)

Method Detail

map

public KV<Instant,org.apache.beam.sdk.util.WindowedValue<KV<K,V>>> map(org.apache.beam.sdk.util.WindowedValue<KV<K,V>> wv)

Specified by:

map in class org.apache.gearpump.streaming.dsl.api.functions.MapFunction<org.apache.beam.sdk.util.WindowedValue<KV<K,V>>,KV<Instant,org.apache.beam.sdk.util.WindowedValue<KV<K,V>>>>