Package org.apache.flink.streaming.api.datastream

Class CustomSinkOperatorUidHashes

java.lang.Object

org.apache.flink.streaming.api.datastream.CustomSinkOperatorUidHashes

@PublicEvolving
public class CustomSinkOperatorUidHashes
extends Object

This class is responsible to hold operator Uid hashes from the common operators of the sink. With this, users can recover a sink snapshot that did not bind uids to the operator before changing the topology.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CustomSinkOperatorUidHashes.SinkOperatorUidHashesBuilder	Builder to construct CustomSinkOperatorUidHashes.

Field Summary

Fields

Modifier and Type	Field	Description
static final CustomSinkOperatorUidHashes	DEFAULT	Default instance providing no custom sink operator hashes.

Method Summary

Modifier and Type	Method	Description
static CustomSinkOperatorUidHashes.SinkOperatorUidHashesBuilder	builder()	Creates a builder to construct CustomSinkOperatorUidHashes.
String	getCommitterUidHash()
String	getGlobalCommitterUidHash()
String	getWriterUidHash()

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT

public static final CustomSinkOperatorUidHashes DEFAULT

Default instance providing no custom sink operator hashes.

Method Details

builder

public static CustomSinkOperatorUidHashes.SinkOperatorUidHashesBuilder builder()

Creates a builder to construct CustomSinkOperatorUidHashes.

Returns:

CustomSinkOperatorUidHashes.SinkOperatorUidHashesBuilder

getWriterUidHash

@Internal
@Nullable
public String getWriterUidHash()

getCommitterUidHash

@Internal
@Nullable
public String getCommitterUidHash()

getGlobalCommitterUidHash

@Internal
@Nullable
public String getGlobalCommitterUidHash()