Package org.apache.beam.sdk.schemas

Class AutoValueSchema

java.lang.Object

org.apache.beam.sdk.schemas.GetterBasedSchemaProvider

org.apache.beam.sdk.schemas.AutoValueSchema

All Implemented Interfaces:

java.io.Serializable, SchemaProvider

@Experimental(SCHEMAS)
public class AutoValueSchema
extends GetterBasedSchemaProvider

A SchemaProvider for AutoValue classes.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AutoValueSchema.AbstractGetterTypeSupplier	FieldValueTypeSupplier that's based on AutoValue getters.

Constructor Summary

Constructors

Constructor	Description
AutoValueSchema()

Method Summary

Modifier and Type	Method	Description
java.util.List<FieldValueGetter>	fieldValueGetters(java.lang.Class<?> targetClass, Schema schema)	Implementing class should override to return FieldValueGetters.
java.util.List<FieldValueTypeInformation>	fieldValueTypeInformations(java.lang.Class<?> targetClass, Schema schema)	Implementing class should override to return a list of type-informations.
<T> @Nullable Schema	schemaFor(TypeDescriptor<T> typeDescriptor)	Lookup a schema for the given type.
SchemaUserTypeCreator	schemaTypeCreator(java.lang.Class<?> targetClass, Schema schema)	Implementing class should override to return a constructor.

Methods inherited from class org.apache.beam.sdk.schemas.GetterBasedSchemaProvider

equals, fromRowFunction, hashCode, toRowFunction

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AutoValueSchema

public AutoValueSchema()

Method Detail

fieldValueGetters

public java.util.List<FieldValueGetter> fieldValueGetters(java.lang.Class<?> targetClass,
                                                          Schema schema)

Description copied from class: GetterBasedSchemaProvider

Implementing class should override to return FieldValueGetters.

Specified by:

fieldValueGetters in class GetterBasedSchemaProvider

fieldValueTypeInformations

public java.util.List<FieldValueTypeInformation> fieldValueTypeInformations(java.lang.Class<?> targetClass,
                                                                            Schema schema)

Description copied from class: GetterBasedSchemaProvider

Implementing class should override to return a list of type-informations.

Specified by:

fieldValueTypeInformations in class GetterBasedSchemaProvider

schemaTypeCreator

public SchemaUserTypeCreator schemaTypeCreator(java.lang.Class<?> targetClass,
                                               Schema schema)

Description copied from class: GetterBasedSchemaProvider

Implementing class should override to return a constructor.

Specified by:

schemaTypeCreator in class GetterBasedSchemaProvider

schemaFor

public <T> @Nullable Schema schemaFor(TypeDescriptor<T> typeDescriptor)

Description copied from interface: SchemaProvider

Lookup a schema for the given type. If no schema exists, returns null.