org.apache.beam.sdk.io.kinesis

Class WatermarkParameters

java.lang.Object

org.apache.beam.sdk.io.kinesis.WatermarkParameters

All Implemented Interfaces:

java.io.Serializable

public abstract class WatermarkParameters
extends java.lang.Object
implements java.io.Serializable

WatermarkParameters contains the parameters used for watermark computation.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
WatermarkParameters()

Method Summary

Modifier and Type	Method and Description
static org.apache.beam.sdk.io.kinesis.WatermarkParameters.Builder	builder()
static WatermarkParameters	create()
abstract org.apache.beam.sdk.io.kinesis.WatermarkParameters.Builder	toBuilder()
WatermarkParameters	withTimestampFn(SerializableFunction<KinesisRecord,Instant> timestampFn) Specify the SerializableFunction to extract the event time from a KinesisRecord.
WatermarkParameters	withWatermarkIdleDurationThreshold(Duration idleDurationThreshold) Specify the watermark idle duration to consider before advancing the watermark.

Methods inherited from class java.lang.Object

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

Constructor Detail

WatermarkParameters

public WatermarkParameters()

Method Detail

toBuilder

public abstract org.apache.beam.sdk.io.kinesis.WatermarkParameters.Builder toBuilder()

builder

public static org.apache.beam.sdk.io.kinesis.WatermarkParameters.Builder builder()

create

public static WatermarkParameters create()

withTimestampFn

public WatermarkParameters withTimestampFn(SerializableFunction<KinesisRecord,Instant> timestampFn)

Specify the SerializableFunction to extract the event time from a KinesisRecord. The default event timestamp is the arrival timestamp of the record.

Parameters:

timestampFn - Serializable function to extract the timestamp from a record.

withWatermarkIdleDurationThreshold

public WatermarkParameters withWatermarkIdleDurationThreshold(Duration idleDurationThreshold)

Specify the watermark idle duration to consider before advancing the watermark. The default watermark idle duration threshold is 2 minutes.