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

Class PubsubReadSchemaTransformProvider

java.lang.Object

org.apache.beam.sdk.schemas.transforms.TypedSchemaTransformProvider<PubsubReadSchemaTransformConfiguration>

org.apache.beam.sdk.io.gcp.pubsub.PubsubReadSchemaTransformProvider

All Implemented Interfaces:

SchemaTransformProvider

@AutoService(SchemaTransformProvider.class)
public class PubsubReadSchemaTransformProvider
extends TypedSchemaTransformProvider<PubsubReadSchemaTransformConfiguration>

An implementation of TypedSchemaTransformProvider for Pub/Sub reads configured using PubsubReadSchemaTransformConfiguration.

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.

Field Summary

Fields

Modifier and Type	Field	Description
static final Schema	ERROR_SCHEMA
static final TupleTag<Row>	ERROR_TAG
static final TupleTag<Row>	OUTPUT_TAG
static final Set<String>	VALID_DATA_FORMATS
static final String	VALID_FORMATS_STR

Constructor Summary

Constructors

Constructor	Description
PubsubReadSchemaTransformProvider()

Method Summary

Modifier and Type	Method	Description
Class<PubsubReadSchemaTransformConfiguration>	configurationClass()
SchemaTransform	from(PubsubReadSchemaTransformConfiguration 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

VALID_FORMATS_STR

public static final String VALID_FORMATS_STR

See Also:

• Constant Field Values

VALID_DATA_FORMATS

public static final Set<String> VALID_DATA_FORMATS

OUTPUT_TAG

public static final TupleTag<Row> OUTPUT_TAG

ERROR_TAG

public static final TupleTag<Row> ERROR_TAG

ERROR_SCHEMA

public static final Schema ERROR_SCHEMA

Constructor Details

PubsubReadSchemaTransformProvider

public PubsubReadSchemaTransformProvider()

Method Details

configurationClass

public Class<PubsubReadSchemaTransformConfiguration> configurationClass()

Overrides:

configurationClass in class TypedSchemaTransformProvider<PubsubReadSchemaTransformConfiguration>

from

public SchemaTransform from(PubsubReadSchemaTransformConfiguration configuration)

Description copied from class: TypedSchemaTransformProvider

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

Specified by:

from in class TypedSchemaTransformProvider<PubsubReadSchemaTransformConfiguration>

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.