Package org.apache.flink.table.sources.wmstrategies

Class PreserveWatermarks

java.lang.Object

org.apache.flink.table.sources.wmstrategies.WatermarkStrategy

org.apache.flink.table.sources.wmstrategies.PreserveWatermarks

All Implemented Interfaces:

Serializable, Descriptor

@PublicEvolving
public final class PreserveWatermarks
extends WatermarkStrategy

A strategy which indicates the watermarks should be preserved from the underlying datastream.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final PreserveWatermarks	INSTANCE

Constructor Summary

Constructors

Constructor	Description
PreserveWatermarks()

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
int	hashCode()
Map<String,String>	toProperties()	This method is a default implementation that uses java serialization and it is discouraged.

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final PreserveWatermarks INSTANCE

Constructor Details

PreserveWatermarks

public PreserveWatermarks()

Method Details

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toProperties

public Map<String,String> toProperties()

Description copied from class: WatermarkStrategy

This method is a default implementation that uses java serialization and it is discouraged. All implementation should provide a more specific set of properties.

Specified by:

toProperties in interface Descriptor

Overrides:

toProperties in class WatermarkStrategy