Package org.apache.beam.sdk.transforms

Class Reshuffle.AssignShardFn<T>

java.lang.Object

org.apache.beam.sdk.transforms.DoFn<T,KV<java.lang.Integer,T>>

org.apache.beam.sdk.transforms.Reshuffle.AssignShardFn<T>

All Implemented Interfaces:

java.io.Serializable, HasDisplayData

Enclosing class:

Reshuffle<K,V>

public static class Reshuffle.AssignShardFn<T>
extends DoFn<T,KV<java.lang.Integer,T>>

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.beam.sdk.transforms.DoFn

DoFn.AlwaysFetched, DoFn.BoundedPerElement, DoFn.BundleFinalizer, DoFn.Element, DoFn.FieldAccess, DoFn.FinishBundle, DoFn.FinishBundleContext, DoFn.GetInitialRestriction, DoFn.GetInitialWatermarkEstimatorState, DoFn.GetRestrictionCoder, DoFn.GetSize, DoFn.GetWatermarkEstimatorStateCoder, DoFn.Key, DoFn.MultiOutputReceiver, DoFn.NewTracker, DoFn.NewWatermarkEstimator, DoFn.OnTimer, DoFn.OnTimerContext, DoFn.OnTimerFamily, DoFn.OnWindowExpiration, DoFn.OnWindowExpirationContext, DoFn.OutputReceiver<T>, DoFn.ProcessContext, DoFn.ProcessContinuation, DoFn.ProcessElement, DoFn.RequiresStableInput, DoFn.RequiresTimeSortedInput, DoFn.Restriction, DoFn.Setup, DoFn.SideInput, DoFn.SplitRestriction, DoFn.StartBundle, DoFn.StartBundleContext, DoFn.StateId, DoFn.Teardown, DoFn.TimerFamily, DoFn.TimerId, DoFn.Timestamp, DoFn.TruncateRestriction, DoFn.UnboundedPerElement, DoFn.WatermarkEstimatorState, DoFn.WindowedContext

Constructor Summary

Constructors

Constructor	Description
AssignShardFn(@Nullable java.lang.Integer numBuckets)

Method Summary

Modifier and Type	Method	Description
void	processElement(T element, DoFn.OutputReceiver<KV<java.lang.Integer,T>> r)
void	setup()

Methods inherited from class org.apache.beam.sdk.transforms.DoFn

getAllowedTimestampSkew, getInputTypeDescriptor, getOutputTypeDescriptor, populateDisplayData, prepareForProcessing

Methods inherited from class java.lang.Object

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

Constructor Detail

AssignShardFn

public AssignShardFn(@Nullable java.lang.Integer numBuckets)

Method Detail

setup

@Setup
public void setup()

processElement

@ProcessElement
public void processElement(@Element
                           T element,
                           DoFn.OutputReceiver<KV<java.lang.Integer,T>> r)