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

Interface SourceAbilitySpec

All Known Implementing Classes:

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

@Internal
public interface SourceAbilitySpec

An interface that can not only serialize/deserialize the source abilities to/from JSON, but also can apply the abilities to a DynamicTableSource.

Method Summary

Modifier and Type	Method and Description
void	apply(org.apache.flink.table.connector.source.DynamicTableSource tableSource, SourceAbilityContext context) Apply the ability to the given DynamicTableSource.
String	getDigests(SourceAbilityContext context) Additional digests to generate when this spec is applied to the source.
Optional<org.apache.flink.table.types.logical.RowType>	getProducedType() Return the produced RowType this the ability is applied.

Method Detail

apply

void apply(org.apache.flink.table.connector.source.DynamicTableSource tableSource,
           SourceAbilityContext context)

Apply the ability to the given DynamicTableSource.

getProducedType

Optional<org.apache.flink.table.types.logical.RowType> getProducedType()

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().

getDigests

String getDigests(SourceAbilityContext context)

Additional digests to generate when this spec is applied to the source.

Parameters:

context - The context about the source.