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(value=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 and Description
static class	BigTableReadSchemaTransformProvider.BigTableReadSchemaTransformConfiguration Configuration for reading from BigTable.
static class	BigTableReadSchemaTransformProvider.BigTableRowToBeamRow

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor and Description
BigTableReadSchemaTransformProvider()

Method Summary

Modifier and Type	Method and Description
protected java.lang.Class<BigTableReadSchemaTransformProvider.BigTableReadSchemaTransformConfiguration>	configurationClass()
protected SchemaTransform	from(BigTableReadSchemaTransformProvider.BigTableReadSchemaTransformConfiguration configuration) Produce a SchemaTransform from ConfigT.
java.lang.String	identifier() Returns an id that uniquely represents this transform.
java.util.List<java.lang.String>	inputCollectionNames() Returns the input collection names of this transform.
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

CELL_SCHEMA

public static final Schema CELL_SCHEMA

ROW_SCHEMA

public static final Schema ROW_SCHEMA

Constructor Detail

BigTableReadSchemaTransformProvider

public BigTableReadSchemaTransformProvider()

Method Detail

configurationClass

protected java.lang.Class<BigTableReadSchemaTransformProvider.BigTableReadSchemaTransformConfiguration> configurationClass()

Specified by:

configurationClass in class TypedSchemaTransformProvider<BigTableReadSchemaTransformProvider.BigTableReadSchemaTransformConfiguration>

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 java.lang.String identifier()

Description copied from interface: SchemaTransformProvider

Returns an id that uniquely represents this transform.

inputCollectionNames

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

Description copied from interface: SchemaTransformProvider

Returns the input collection names of this transform.

outputCollectionNames

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

Description copied from interface: SchemaTransformProvider

Returns the output collection names of this transform.