com.google.cloud.dataflow.sdk.util

Class StreamingGroupAlsoByWindowsDoFn<K,InputT,OutputT,W extends BoundedWindow>

java.lang.Object

com.google.cloud.dataflow.sdk.transforms.DoFn<TimerOrElement<KV<K,InputT>>,KV<K,OutputT>>

com.google.cloud.dataflow.sdk.util.StreamingGroupAlsoByWindowsDoFn<K,InputT,OutputT,W>

Type Parameters:

K - key type

InputT - input value element type

OutputT - output value element type

W - window type

All Implemented Interfaces:

Serializable

@SystemDoFnInternal
public abstract class StreamingGroupAlsoByWindowsDoFn<K,InputT,OutputT,W extends BoundedWindow>
extends DoFn<TimerOrElement<KV<K,InputT>>,KV<K,OutputT>>

DoFn that merges windows and groups elements in those windows.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.google.cloud.dataflow.sdk.transforms.DoFn

DoFn.Context, DoFn.ProcessContext, DoFn.RequiresWindowAccess

Constructor Summary

Constructors

Constructor and Description
StreamingGroupAlsoByWindowsDoFn()

Method Summary

Modifier and Type	Method and Description
static <K,InputT,AccumT,OutputT,W extends BoundedWindow> StreamingGroupAlsoByWindowsDoFn<K,InputT,OutputT,W>	create(WindowingStrategy<?,W> windowingStrategy, AppliedCombineFn<K,InputT,AccumT,OutputT> combineFn, Coder<K> keyCoder)
static <K,V,W extends BoundedWindow> StreamingGroupAlsoByWindowsDoFn<K,V,Iterable<V>,W>	createForIterable(WindowingStrategy<?,W> windowingStrategy, Coder<V> inputCoder)

Methods inherited from class com.google.cloud.dataflow.sdk.transforms.DoFn

createAggregator, createAggregator, finishBundle, getAllowedTimestampSkew, getInputTypeDescriptor, getOutputTypeDescriptor, processElement, startBundle

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamingGroupAlsoByWindowsDoFn

public StreamingGroupAlsoByWindowsDoFn()

Method Detail

create

public static <K,InputT,AccumT,OutputT,W extends BoundedWindow> StreamingGroupAlsoByWindowsDoFn<K,InputT,OutputT,W> create(WindowingStrategy<?,W> windowingStrategy,
                                                                                                                           AppliedCombineFn<K,InputT,AccumT,OutputT> combineFn,
                                                                                                                           Coder<K> keyCoder)

createForIterable

public static <K,V,W extends BoundedWindow> StreamingGroupAlsoByWindowsDoFn<K,V,Iterable<V>,W> createForIterable(WindowingStrategy<?,W> windowingStrategy,
                                                                                                                 Coder<V> inputCoder)