org.apache.beam.runners.dataflow

Class BatchStatefulParDoOverrides.BatchStatefulDoFn<K,V,OutputT>

java.lang.Object

org.apache.beam.sdk.transforms.DoFn<KV<K,Iterable<KV<org.joda.time.Instant,WindowedValue<KV<K,V>>>>>,OutputT>

org.apache.beam.runners.dataflow.BatchStatefulParDoOverrides.BatchStatefulDoFn<K,V,OutputT>

All Implemented Interfaces:

Serializable, HasDisplayData

Enclosing class:

BatchStatefulParDoOverrides

public static class BatchStatefulParDoOverrides.BatchStatefulDoFn<K,V,OutputT>
extends DoFn<KV<K,Iterable<KV<org.joda.time.Instant,WindowedValue<KV<K,V>>>>>,OutputT>

A key-preserving DoFn that explodes an iterable that has been grouped by key and window.

See Also:

Serialized Form

Nested Class Summary

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

DoFn.BoundedPerElement, DoFn.FinishBundle, DoFn.FinishBundleContext, DoFn.GetInitialRestriction, DoFn.GetRestrictionCoder, DoFn.NewTracker, DoFn.OnTimer, DoFn.OnTimerContext, DoFn.OutputReceiver<T>, DoFn.ProcessContext, DoFn.ProcessContinuation, DoFn.ProcessElement, DoFn.Setup, DoFn.SplitRestriction, DoFn.StartBundle, DoFn.StartBundleContext, DoFn.StateId, DoFn.Teardown, DoFn.TimerId, DoFn.UnboundedPerElement, DoFn.WindowedContext

Method Summary

Modifier and Type	Method and Description
TypeDescriptor<OutputT>	getOutputTypeDescriptor()
DoFn<KV<K,V>,OutputT>	getUnderlyingDoFn()
void	processElement(DoFn.ProcessContext c, BoundedWindow window)

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

getAllowedTimestampSkew, getInputTypeDescriptor, populateDisplayData, prepareForProcessing

Methods inherited from class java.lang.Object

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

Method Detail

getUnderlyingDoFn

public DoFn<KV<K,V>,OutputT> getUnderlyingDoFn()

processElement

@DoFn.ProcessElement
public void processElement(DoFn.ProcessContext c,
                                                BoundedWindow window)

getOutputTypeDescriptor

public TypeDescriptor<OutputT> getOutputTypeDescriptor()

Overrides:

getOutputTypeDescriptor in class DoFn<KV<K,Iterable<KV<org.joda.time.Instant,WindowedValue<KV<K,V>>>>>,OutputT>