org.apache.beam.runners.samza.runtime

Interface BundleManager.BundleProgressListener<OutT>

Type Parameters:

OutT -

Enclosing interface:

BundleManager<OutT>

public static interface BundleManager.BundleProgressListener<OutT>

A listener used to track the lifecycle of a bundle. Typically, the lifecycle of a bundle consists of 1. Start bundle - Invoked when the bundle is started 2. Finish bundle - Invoked when the bundle is complete. Refer to the docs under BundleManager for definition on when a bundle is considered complete. 3. onWatermark - Invoked when watermark is ready to be propagated to downstream DAG. Refer to the docs under BundleManager on when watermark is held vs propagated.

Method Summary

Modifier and Type	Method and Description
void	onBundleFinished(OpEmitter<OutT> emitter)
void	onBundleStarted()
void	onWatermark(org.joda.time.Instant watermark, OpEmitter<OutT> emitter)

Method Detail

onBundleStarted

void onBundleStarted()

onBundleFinished

void onBundleFinished(OpEmitter<OutT> emitter)

onWatermark

void onWatermark(org.joda.time.Instant watermark,
                 OpEmitter<OutT> emitter)