org.apache.beam.sdk.expansion

Interface ExternalTransformRegistrar

All Known Implementing Classes:

ExternalRead, ExternalSchemaIOTransformRegistrar, ExternalSqlTransformRegistrar, ExternalWrite, GenerateSequence.External, KafkaIO.Read.External, KafkaIO.Write.External, KinesisTransformRegistrar, SnowflakeTransformRegistrar, SpannerTransformRegistrar

@Experimental(value=PORTABILITY)
public interface ExternalTransformRegistrar

A registrar which contains a mapping from URNs to available ExternalTransformBuilders. Should be used with AutoService.

Method Summary

Modifier and Type	Method and Description
default java.util.Map<java.lang.String,ExternalTransformBuilder<?,?,?>>	knownBuilderInstances() A mapping from URN to an ExternalTransformBuilder instance.
default java.util.Map<java.lang.String,java.lang.Class<? extends ExternalTransformBuilder<?,?,?>>>	knownBuilders() Deprecated. Prefer implementing 'knownBuilderInstances'. This method will be removed in a future version of Beam.

Method Detail

knownBuilders

@Deprecated
default java.util.Map<java.lang.String,java.lang.Class<? extends ExternalTransformBuilder<?,?,?>>> knownBuilders()

Deprecated. Prefer implementing 'knownBuilderInstances'. This method will be removed in a future version of Beam.

A mapping from URN to an ExternalTransformBuilder class.

knownBuilderInstances

default java.util.Map<java.lang.String,ExternalTransformBuilder<?,?,?>> knownBuilderInstances()

A mapping from URN to an ExternalTransformBuilder instance.