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

Class SpannerReadSchemaTransformProvider

java.lang.Object

org.apache.beam.sdk.schemas.transforms.TypedSchemaTransformProvider<SpannerReadSchemaTransformProvider.SpannerReadSchemaTransformConfiguration>

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

All Implemented Interfaces:

org.apache.beam.sdk.schemas.transforms.SchemaTransformProvider

@AutoService(org.apache.beam.sdk.schemas.transforms.SchemaTransformProvider.class)
public class SpannerReadSchemaTransformProvider
extends org.apache.beam.sdk.schemas.transforms.TypedSchemaTransformProvider<SpannerReadSchemaTransformProvider.SpannerReadSchemaTransformConfiguration>

A provider for reading from Cloud Spanner using a Schema Transform Provider.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	SpannerReadSchemaTransformProvider.ErrorFn
static class	SpannerReadSchemaTransformProvider.SpannerReadSchemaTransformConfiguration

Field Summary

Fields

Modifier and Type	Field	Description
static org.apache.beam.sdk.schemas.Schema	ERROR_SCHEMA
static org.apache.beam.sdk.values.TupleTag<org.apache.beam.sdk.values.Row>	ERROR_TAG
static org.apache.beam.sdk.values.TupleTag<org.apache.beam.sdk.values.Row>	OUTPUT_TAG

Constructor Summary

Constructors

Constructor	Description
SpannerReadSchemaTransformProvider()

Method Summary

Modifier and Type	Method	Description
protected java.lang.Class<SpannerReadSchemaTransformProvider.SpannerReadSchemaTransformConfiguration>	configurationClass()
java.lang.String	description()
protected org.apache.beam.sdk.schemas.transforms.SchemaTransform	from(SpannerReadSchemaTransformProvider.SpannerReadSchemaTransformConfiguration configuration)
java.lang.String	identifier()
java.util.List<java.lang.String>	inputCollectionNames()
java.util.List<java.lang.String>	outputCollectionNames()

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 org.apache.beam.sdk.values.TupleTag<org.apache.beam.sdk.values.Row> OUTPUT_TAG

ERROR_TAG

public static final org.apache.beam.sdk.values.TupleTag<org.apache.beam.sdk.values.Row> ERROR_TAG

ERROR_SCHEMA

public static final org.apache.beam.sdk.schemas.Schema ERROR_SCHEMA

Constructor Detail

SpannerReadSchemaTransformProvider

public SpannerReadSchemaTransformProvider()

Method Detail

identifier

public java.lang.String identifier()

description

public java.lang.String description()

inputCollectionNames

public java.util.List<java.lang.String> inputCollectionNames()

outputCollectionNames

public java.util.List<java.lang.String> outputCollectionNames()

configurationClass

protected java.lang.Class<SpannerReadSchemaTransformProvider.SpannerReadSchemaTransformConfiguration> configurationClass()

Overrides:

configurationClass in class org.apache.beam.sdk.schemas.transforms.TypedSchemaTransformProvider<SpannerReadSchemaTransformProvider.SpannerReadSchemaTransformConfiguration>

from

protected org.apache.beam.sdk.schemas.transforms.SchemaTransform from(SpannerReadSchemaTransformProvider.SpannerReadSchemaTransformConfiguration configuration)

Specified by:

from in class org.apache.beam.sdk.schemas.transforms.TypedSchemaTransformProvider<SpannerReadSchemaTransformProvider.SpannerReadSchemaTransformConfiguration>