Package org.apache.beam.sdk.schemas.transforms.providers

Class JavaMapToFieldsTransformProvider

java.lang.Object

org.apache.beam.sdk.schemas.transforms.TypedSchemaTransformProvider<JavaMapToFieldsTransformProvider.Configuration>

org.apache.beam.sdk.schemas.transforms.providers.JavaMapToFieldsTransformProvider

All Implemented Interfaces:

SchemaTransformProvider

@AutoService(SchemaTransformProvider.class)
public class JavaMapToFieldsTransformProvider
extends TypedSchemaTransformProvider<JavaMapToFieldsTransformProvider.Configuration>

An implementation of TypedSchemaTransformProvider for MapToFields for the java language.

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	JavaMapToFieldsTransformProvider.Configuration
protected static class	JavaMapToFieldsTransformProvider.JavaMapToFieldsTransform	A SchemaTransform for MapToFields-java.

Field Summary

Fields

Modifier and Type	Field	Description
protected static final String	INPUT_ROWS_TAG
protected static final String	OUTPUT_ROWS_TAG

Constructor Summary

Constructors

Constructor	Description
JavaMapToFieldsTransformProvider()

Method Summary

Modifier and Type	Method	Description
protected Class<JavaMapToFieldsTransformProvider.Configuration>	configurationClass()
protected SchemaTransform	from(JavaMapToFieldsTransformProvider.Configuration 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

INPUT_ROWS_TAG

protected static final String INPUT_ROWS_TAG

See Also:

• Constant Field Values

OUTPUT_ROWS_TAG

protected static final String OUTPUT_ROWS_TAG

See Also:

• Constant Field Values

Constructor Details

JavaMapToFieldsTransformProvider

public JavaMapToFieldsTransformProvider()

Method Details

configurationClass

protected Class<JavaMapToFieldsTransformProvider.Configuration> configurationClass()

Overrides:

configurationClass in class TypedSchemaTransformProvider<JavaMapToFieldsTransformProvider.Configuration>

from

protected SchemaTransform from(JavaMapToFieldsTransformProvider.Configuration configuration)

Description copied from class: TypedSchemaTransformProvider

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

Specified by:

from in class TypedSchemaTransformProvider<JavaMapToFieldsTransformProvider.Configuration>

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.