org.apache.beam.runners.dataflow

Interface TransformTranslator<TransformT extends PTransform>

@Internal
public interface TransformTranslator<TransformT extends PTransform>

A TransformTranslator knows how to translate a particular subclass of PTransform for the Cloud Dataflow service. It does so by mutating the TransformTranslator.TranslationContext.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	TransformTranslator.StepTranslationContext The interface for a TransformTranslator to build a Dataflow step.
static interface	TransformTranslator.TranslationContext The interface provided to registered callbacks for interacting with the DataflowRunner, including reading and writing the values of PCollections and side inputs.

Method Summary

Modifier and Type	Method and Description
void	translate(TransformT transform, TransformTranslator.TranslationContext context)

Method Detail

translate

void translate(TransformT transform,
               TransformTranslator.TranslationContext context)