software.amazon.kinesis.connectors.flink.util

Class JobManagerWatermarkTracker

java.lang.Object

software.amazon.kinesis.connectors.flink.util.WatermarkTracker

software.amazon.kinesis.connectors.flink.util.JobManagerWatermarkTracker

All Implemented Interfaces:

Closeable, Serializable, AutoCloseable

@PublicEvolving
public class JobManagerWatermarkTracker
extends WatermarkTracker

A WatermarkTracker that shares state through GlobalAggregateManager.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	JobManagerWatermarkTracker.WatermarkResult Watermark aggregation result.
protected static class	JobManagerWatermarkTracker.WatermarkUpdate Watermark aggregation input.

Nested classes/interfaces inherited from class software.amazon.kinesis.connectors.flink.util.WatermarkTracker

WatermarkTracker.WatermarkState

Field Summary

Fields inherited from class software.amazon.kinesis.connectors.flink.util.WatermarkTracker

DEFAULT_UPDATE_TIMEOUT_MILLIS

Constructor Summary

Constructors

Constructor and Description
JobManagerWatermarkTracker(String aggregateName)
JobManagerWatermarkTracker(String aggregateName, long logAccumulatorIntervalMillis)

Method Summary

Modifier and Type	Method and Description
long	getUpdateTimeoutCount()
void	open(org.apache.flink.api.common.functions.RuntimeContext context)
long	updateWatermark(long localWatermark) Set the current watermark of the owning subtask and return the global low watermark based on the current state snapshot.

Methods inherited from class software.amazon.kinesis.connectors.flink.util.WatermarkTracker

close, getCurrentTime, getSubtaskId, getUpdateTimeoutMillis, setUpdateTimeoutMillis

Methods inherited from class java.lang.Object

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

Constructor Detail

JobManagerWatermarkTracker

public JobManagerWatermarkTracker(String aggregateName)

JobManagerWatermarkTracker

public JobManagerWatermarkTracker(String aggregateName,
                                  long logAccumulatorIntervalMillis)

Method Detail

updateWatermark

public long updateWatermark(long localWatermark)

Description copied from class: WatermarkTracker

Set the current watermark of the owning subtask and return the global low watermark based on the current state snapshot. Periodically called by the enclosing consumer instance, which is responsible for any timer management etc.

Specified by:

updateWatermark in class WatermarkTracker

Returns:

open

public void open(org.apache.flink.api.common.functions.RuntimeContext context)

Overrides:

open in class WatermarkTracker

getUpdateTimeoutCount

public long getUpdateTimeoutCount()

Specified by:

getUpdateTimeoutCount in class WatermarkTracker