Package org.apache.beam.sdk.io.gcp.bigquery.providers

Class BigQueryDirectReadSchemaTransformProvider

java.lang.Object

org.apache.beam.sdk.schemas.transforms.TypedSchemaTransformProvider<BigQueryDirectReadSchemaTransformProvider.BigQueryDirectReadSchemaTransformConfiguration>

org.apache.beam.sdk.io.gcp.bigquery.providers.BigQueryDirectReadSchemaTransformProvider

All Implemented Interfaces:

SchemaTransformProvider

@AutoService(SchemaTransformProvider.class)
public class BigQueryDirectReadSchemaTransformProvider
extends TypedSchemaTransformProvider<BigQueryDirectReadSchemaTransformProvider.BigQueryDirectReadSchemaTransformConfiguration>

An implementation of TypedSchemaTransformProvider for BigQuery Storage Read API jobs configured via BigQueryDirectReadSchemaTransformProvider.BigQueryDirectReadSchemaTransformConfiguration.

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	BigQueryDirectReadSchemaTransformProvider.BigQueryDirectReadSchemaTransform	A SchemaTransform for BigQuery Storage Read API, configured with BigQueryDirectReadSchemaTransformProvider.BigQueryDirectReadSchemaTransformConfiguration and instantiated by BigQueryDirectReadSchemaTransformProvider.
static class	BigQueryDirectReadSchemaTransformProvider.BigQueryDirectReadSchemaTransformConfiguration	Configuration for reading from BigQuery with Storage Read API.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	OUTPUT_TAG

Constructor Summary

Constructors

Constructor	Description
BigQueryDirectReadSchemaTransformProvider()

Method Summary

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

Methods inherited from interface org.apache.beam.sdk.schemas.transforms.SchemaTransformProvider

description

Field Details

OUTPUT_TAG

public static final String OUTPUT_TAG

See Also:

• Constant Field Values

Constructor Details

BigQueryDirectReadSchemaTransformProvider

public BigQueryDirectReadSchemaTransformProvider()

Method Details

configurationClass

protected Class<BigQueryDirectReadSchemaTransformProvider.BigQueryDirectReadSchemaTransformConfiguration> configurationClass()

Overrides:

configurationClass in class TypedSchemaTransformProvider<BigQueryDirectReadSchemaTransformProvider.BigQueryDirectReadSchemaTransformConfiguration>

from

protected SchemaTransform from(BigQueryDirectReadSchemaTransformProvider.BigQueryDirectReadSchemaTransformConfiguration configuration)

Description copied from class: TypedSchemaTransformProvider

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

Specified by:

from in class TypedSchemaTransformProvider<BigQueryDirectReadSchemaTransformProvider.BigQueryDirectReadSchemaTransformConfiguration>

identifier

public String identifier()

Description copied from interface: SchemaTransformProvider

Returns an id that uniquely represents this transform.

inputCollectionNames

public List<String> inputCollectionNames()

Description copied from interface: SchemaTransformProvider

Returns the input collection names of this transform.

outputCollectionNames

public List<String> outputCollectionNames()

Description copied from interface: SchemaTransformProvider

Returns the output collection names of this transform.