org.apache.beam.sdk.io.gcp.spanner.changestreams

Class SpannerChangestreamsReadSchemaTransformProvider

java.lang.Object

org.apache.beam.sdk.schemas.transforms.TypedSchemaTransformProvider<SpannerChangestreamsReadSchemaTransformProvider.SpannerChangestreamsReadConfiguration>

org.apache.beam.sdk.io.gcp.spanner.changestreams.SpannerChangestreamsReadSchemaTransformProvider

All Implemented Interfaces:

SchemaTransformProvider

@AutoService(value=SchemaTransformProvider.class)
public class SpannerChangestreamsReadSchemaTransformProvider
extends TypedSchemaTransformProvider<SpannerChangestreamsReadSchemaTransformProvider.SpannerChangestreamsReadConfiguration>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SpannerChangestreamsReadSchemaTransformProvider.DataChangeRecordToRow
static class	SpannerChangestreamsReadSchemaTransformProvider.SpannerChangestreamsReadConfiguration

Field Summary

Fields

Modifier and Type	Field and Description
static Schema	ERROR_SCHEMA
static TupleTag<Row>	ERROR_TAG
static TupleTag<Row>	OUTPUT_TAG

Constructor Summary

Constructors

Constructor and Description
SpannerChangestreamsReadSchemaTransformProvider()

Method Summary

Modifier and Type	Method and Description
protected @UnknownKeyFor @NonNull @Initialized java.lang.Class<SpannerChangestreamsReadSchemaTransformProvider.SpannerChangestreamsReadConfiguration>	configurationClass()
@UnknownKeyFor @NonNull @Initialized SchemaTransform	from(SpannerChangestreamsReadSchemaTransformProvider.SpannerChangestreamsReadConfiguration configuration) Produce a SchemaTransform from ConfigT.
@UnknownKeyFor @NonNull @Initialized java.lang.String	identifier() Returns an id that uniquely represents this transform.
@UnknownKeyFor @NonNull @Initialized java.util.List<java.lang.String>	inputCollectionNames() Returns the input collection names of this transform.
@UnknownKeyFor @NonNull @Initialized java.util.List<java.lang.String>	outputCollectionNames() Returns the output collection names of this transform.

Methods inherited from class org.apache.beam.sdk.schemas.transforms.TypedSchemaTransformProvider

configurationSchema, dependencies, from

Methods inherited from class java.lang.Object

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

Field Detail

OUTPUT_TAG

public static final TupleTag<Row> OUTPUT_TAG

ERROR_TAG

public static final TupleTag<Row> ERROR_TAG

ERROR_SCHEMA

public static final Schema ERROR_SCHEMA

Constructor Detail

SpannerChangestreamsReadSchemaTransformProvider

public SpannerChangestreamsReadSchemaTransformProvider()

Method Detail

configurationClass

protected @UnknownKeyFor @NonNull @Initialized java.lang.Class<SpannerChangestreamsReadSchemaTransformProvider.SpannerChangestreamsReadConfiguration> configurationClass()

Specified by:

configurationClass in class TypedSchemaTransformProvider<SpannerChangestreamsReadSchemaTransformProvider.SpannerChangestreamsReadConfiguration>

from

public @UnknownKeyFor @NonNull @Initialized SchemaTransform from(SpannerChangestreamsReadSchemaTransformProvider.SpannerChangestreamsReadConfiguration configuration)

Description copied from class: TypedSchemaTransformProvider

Produce a SchemaTransform from ConfigT. Can throw a InvalidConfigurationException or a InvalidSchemaException.

Specified by:

from in class TypedSchemaTransformProvider<SpannerChangestreamsReadSchemaTransformProvider.SpannerChangestreamsReadConfiguration>

identifier

public @UnknownKeyFor @NonNull @Initialized java.lang.String identifier()

Description copied from interface: SchemaTransformProvider

Returns an id that uniquely represents this transform.

inputCollectionNames

public @UnknownKeyFor @NonNull @Initialized java.util.List<java.lang.String> inputCollectionNames()

Description copied from interface: SchemaTransformProvider

Returns the input collection names of this transform.

outputCollectionNames

public @UnknownKeyFor @NonNull @Initialized java.util.List<java.lang.String> outputCollectionNames()

Description copied from interface: SchemaTransformProvider

Returns the output collection names of this transform.