org.apache.beam.sdk.transforms

Interface Materialization<T>

@Internal
public interface Materialization<T>

For internal use only; no backwards-compatibility guarantees.

How a view should be physically materialized by a PipelineRunner.

A PipelineRunner will support some set of materializations, and will reject ViewFns that require materializations it does not support. See Materializations for known implementations.

Method Summary

Modifier and Type	Method and Description
java.lang.String	getUrn() Gets the URN describing this Materialization.

Method Detail

getUrn

java.lang.String getUrn()

Gets the URN describing this Materialization. This is a stable, SDK-independent URN understood by a PipelineRunner.