org.apache.beam.runners.dataflow.util

Interface CoderCloudObjectTranslatorRegistrar

All Known Implementing Classes:

DefaultCoderCloudObjectTranslatorRegistrar

public interface CoderCloudObjectTranslatorRegistrar

Coder authors have the ability to automatically have their Coder registered with the Dataflow Runner by creating a ServiceLoader entry and a concrete implementation of this interface.

It is optional but recommended to use one of the many build time tools such as AutoService to generate the necessary META-INF files automatically.

Method Summary

Modifier and Type	Method and Description
Map<Class<? extends Coder>,CloudObjectTranslator<? extends Coder>>	classesToTranslators() Gets a map from Coder to a CloudObjectTranslator that can translate that Coder.
Map<String,CloudObjectTranslator<? extends Coder>>	classNamesToTranslators() Gets a map from the name returned by CloudObject.getClassName() to a translator that can convert into the equivalent Coder.

Method Detail

classesToTranslators

Map<Class<? extends Coder>,CloudObjectTranslator<? extends Coder>> classesToTranslators()

Gets a map from Coder to a CloudObjectTranslator that can translate that Coder.

classNamesToTranslators

Map<String,CloudObjectTranslator<? extends Coder>> classNamesToTranslators()

Gets a map from the name returned by CloudObject.getClassName() to a translator that can convert into the equivalent Coder.