Package org.apache.beam.sdk.io.gcp.pubsub

Class ExternalRead

java.lang.Object

org.apache.beam.sdk.io.gcp.pubsub.ExternalRead

All Implemented Interfaces:

ExternalTransformRegistrar

@AutoService(ExternalTransformRegistrar.class)
public final class ExternalRead
extends Object
implements ExternalTransformRegistrar

Exposes PubsubIO.Read as an external transform for cross-language usage.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ExternalRead.Configuration	Parameters class to expose the transform to an external SDK.
static class	ExternalRead.ReadBuilder

Field Summary

Fields

Modifier and Type	Field	Description
static final String	URN

Constructor Summary

Constructors

Constructor	Description
ExternalRead()

Method Summary

Modifier and Type	Method	Description
Map<String,Class<? extends ExternalTransformBuilder<?,?,?>>>	knownBuilders()	A mapping from URN to an ExternalTransformBuilder class.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.beam.sdk.expansion.ExternalTransformRegistrar

knownBuilderInstances

Field Details

URN

public static final String URN

See Also:

• Constant Field Values

Constructor Details

ExternalRead

public ExternalRead()

Method Details

knownBuilders

public Map<String,Class<? extends ExternalTransformBuilder<?,?,?>>> knownBuilders()

Description copied from interface: ExternalTransformRegistrar

A mapping from URN to an ExternalTransformBuilder class.

Specified by:

knownBuilders in interface ExternalTransformRegistrar