org.apache.beam.sdk.expansion

Interface ExternalTransformRegistrar

All Known Implementing Classes:

ExternalRead, ExternalSqlTransformRegistrar, ExternalWrite, GenerateSequence.External, KafkaIO.Read.External, KafkaIO.Write.External

@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
java.util.Map<java.lang.String,java.lang.Class<? extends ExternalTransformBuilder>>	knownBuilders() A mapping from URN to an ExternalTransformBuilder class.

Method Detail

knownBuilders

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

A mapping from URN to an ExternalTransformBuilder class.