Package org.apache.beam.sdk.io.kafka

Class KafkaIO.Read.External

java.lang.Object

org.apache.beam.sdk.io.kafka.KafkaIO.Read.External

All Implemented Interfaces:

ExternalTransformRegistrar

Enclosing class:

KafkaIO.Read<K,V>

@AutoService(ExternalTransformRegistrar.class)
public static class KafkaIO.Read.External
extends Object
implements ExternalTransformRegistrar

Exposes KafkaIO.TypedWithoutMetadata as an external transform for cross-language usage.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	KafkaIO.Read.External.Configuration	Parameters class to expose the Read transform to an external SDK.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	URN_WITH_METADATA
static final String	URN_WITHOUT_METADATA

Constructor Summary

Constructors

Constructor	Description
External()

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_WITH_METADATA

public static final String URN_WITH_METADATA

See Also:

• Constant Field Values

URN_WITHOUT_METADATA

public static final String URN_WITHOUT_METADATA

See Also:

• Constant Field Values

Constructor Details

External

public External()

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