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

Class BigtableReadSchemaTransformProvider

java.lang.Object

org.apache.beam.sdk.schemas.transforms.TypedSchemaTransformProvider<BigtableReadSchemaTransformProvider.BigtableReadSchemaTransformConfiguration>

org.apache.beam.sdk.io.gcp.bigtable.BigtableReadSchemaTransformProvider

All Implemented Interfaces:

SchemaTransformProvider

@AutoService(SchemaTransformProvider.class)
public class BigtableReadSchemaTransformProvider
extends TypedSchemaTransformProvider<BigtableReadSchemaTransformProvider.BigtableReadSchemaTransformConfiguration>

An implementation of TypedSchemaTransformProvider for Bigtable Read jobs configured via BigtableReadSchemaTransformProvider.BigtableReadSchemaTransformConfiguration.

Internal only: This class is actively being worked on, and it will likely change. We provide no backwards compatibility guarantees, and it should not be implemented outside the Beam repository.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	BigtableReadSchemaTransformProvider.BigtableReadSchemaTransformConfiguration	Configuration for reading from Bigtable.

Field Summary

Fields

Modifier and Type	Field	Description
static final Schema	CELL_SCHEMA
static final Schema	FLATTENED_ROW_SCHEMA
static final Schema	ROW_SCHEMA

Constructor Summary

Constructors

Constructor	Description
BigtableReadSchemaTransformProvider()

Method Summary

Modifier and Type	Method	Description
String	description()	Returns a description regarding the SchemaTransform represented by the SchemaTransformProvider.
protected SchemaTransform	from(BigtableReadSchemaTransformProvider.BigtableReadSchemaTransformConfiguration configuration)	Produce a SchemaTransform from ConfigT.
String	identifier()	Returns an id that uniquely represents this transform.
List<String>	outputCollectionNames()	Returns the output collection names of this transform.

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

configurationClass, configurationSchema, dependencies, from

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.schemas.transforms.SchemaTransformProvider

inputCollectionNames

Field Details

CELL_SCHEMA

public static final Schema CELL_SCHEMA

ROW_SCHEMA

public static final Schema ROW_SCHEMA

FLATTENED_ROW_SCHEMA

public static final Schema FLATTENED_ROW_SCHEMA

Constructor Details

BigtableReadSchemaTransformProvider

public BigtableReadSchemaTransformProvider()

Method Details

from

protected SchemaTransform from(BigtableReadSchemaTransformProvider.BigtableReadSchemaTransformConfiguration configuration)

Description copied from class: TypedSchemaTransformProvider

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

Specified by:

from in class TypedSchemaTransformProvider<BigtableReadSchemaTransformProvider.BigtableReadSchemaTransformConfiguration>

identifier

public String identifier()

Description copied from interface: SchemaTransformProvider

Returns an id that uniquely represents this transform.

description

public String description()

Description copied from interface: SchemaTransformProvider

Returns a description regarding the SchemaTransform represented by the SchemaTransformProvider. Please keep the language generic (i.e. not specific to any programming language). The description may be markdown formatted.

outputCollectionNames

public List<String> outputCollectionNames()

Description copied from interface: SchemaTransformProvider

Returns the output collection names of this transform.