Package org.apache.beam.fn.harness.debug
Classes and utilities related to debugging features.
-
Class Summary Class Description DataSampler The DataSampler is a global (per SDK Harness) object that facilitates taking and returning samples to the Runner Harness.ElementSample<T> A record class that wraps an element sample with additional metadata.ElementSample.ExceptionMetadata OutputSampler<T> This class holds samples for a single PCollection until queried by the parent DataSampler.