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(value=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 and 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 and Description
static java.lang.String	OUTPUT_TAG

Constructor Summary

Constructors

Constructor and Description
BigQueryDirectReadSchemaTransformProvider()

Method Summary

Modifier and Type	Method and Description
protected java.lang.Class<BigQueryDirectReadSchemaTransformProvider.BigQueryDirectReadSchemaTransformConfiguration>	configurationClass()
protected SchemaTransform	from(BigQueryDirectReadSchemaTransformProvider.BigQueryDirectReadSchemaTransformConfiguration 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

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

description

Field Detail

OUTPUT_TAG

public static final java.lang.String OUTPUT_TAG

See Also:

Constant Field Values

Constructor Detail

BigQueryDirectReadSchemaTransformProvider

public BigQueryDirectReadSchemaTransformProvider()

Method Detail

configurationClass

protected java.lang.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 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.