org.apache.flink.table.planner.plan.abilities.source

Class SourceAbilitySpecBase

java.lang.Object

org.apache.flink.table.planner.plan.abilities.source.SourceAbilitySpecBase

All Implemented Interfaces:

SourceAbilitySpec

Direct Known Subclasses:

AggregatePushDownSpec, FilterPushDownSpec, LimitPushDownSpec, PartitionPushDownSpec, ProjectPushDownSpec, ReadingMetadataSpec, SourceWatermarkSpec, WatermarkPushDownSpec

public abstract class SourceAbilitySpecBase
extends Object
implements SourceAbilitySpec

Base class for SourceAbilitySpec.

Field Summary

Fields

Modifier and Type	Field and Description
static String	FIELD_NAME_PRODUCED_TYPE

Constructor Summary

Constructors

Constructor and Description
SourceAbilitySpecBase()
SourceAbilitySpecBase(RowType producedType)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
Optional<RowType>	getProducedType() Return the produced RowType this the ability is applied.
int	hashCode()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.table.planner.plan.abilities.source.SourceAbilitySpec

apply, getDigests, needAdjustFieldReferenceAfterProjection

Field Detail

FIELD_NAME_PRODUCED_TYPE

public static final String FIELD_NAME_PRODUCED_TYPE

See Also:

Constant Field Values

Constructor Detail

SourceAbilitySpecBase

public SourceAbilitySpecBase()

SourceAbilitySpecBase

public SourceAbilitySpecBase(@Nullable
                             RowType producedType)

Method Detail

getProducedType

public Optional<RowType> getProducedType()

Description copied from interface: SourceAbilitySpec

Return the produced RowType this the ability is applied.

NOTE: If the ability does not change the produced type, this method will return Optional.empty().

Specified by:

getProducedType in interface SourceAbilitySpec

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object