org.apache.beam.sdk.transforms

Annotation Type DoFn.GetWatermarkEstimatorStateCoder

@Documented
 @Retention(value=RUNTIME)
 @Target(value=METHOD)
 @Experimental(value=SPLITTABLE_DO_FN)
public static @interface DoFn.GetWatermarkEstimatorStateCoder

Annotation for the method that returns the coder to use for the watermark estimator state of a splittable DoFn.

If not defined, a coder will be inferred using standard coder inference rules and the pipeline's coder registry.

This method will be called only at pipeline construction time.

Signature: Coder<WatermarkEstimatorStateT> getWatermarkEstimatorStateCoder();