org.apache.beam.sdk.io

Class AvroSchemaIOProvider

java.lang.Object

org.apache.beam.sdk.io.AvroSchemaIOProvider

All Implemented Interfaces:

SchemaIOProvider

@Internal
 @AutoService(value=SchemaIOProvider.class)
public class AvroSchemaIOProvider
extends java.lang.Object
implements SchemaIOProvider

An implementation of SchemaIOProvider for reading and writing Avro files with AvroIO.

Constructor Summary

Constructors

Constructor and Description
AvroSchemaIOProvider()

Method Summary

Modifier and Type	Method and Description
Schema	configurationSchema() Returns the expected schema of the configuration object.
org.apache.beam.sdk.io.AvroSchemaIOProvider.AvroSchemaIO	from(java.lang.String location, Row configuration, Schema dataSchema) Produce a SchemaIO given a String representing the data's location, the schema of the data that resides there, and some IO-specific configuration object.
java.lang.String	identifier() Returns an id that uniquely represents this IO.
PCollection.IsBounded	isBounded()
boolean	requiresDataSchema() Indicates whether the dataSchema value is necessary.

Methods inherited from class java.lang.Object

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

Constructor Detail

AvroSchemaIOProvider

public AvroSchemaIOProvider()

Method Detail

identifier

public java.lang.String identifier()

Returns an id that uniquely represents this IO.

Specified by:

identifier in interface SchemaIOProvider

configurationSchema

public Schema configurationSchema()

Returns the expected schema of the configuration object. Note this is distinct from the schema of the data source itself. No configuration expected for Avro.

Specified by:

configurationSchema in interface SchemaIOProvider

from

public org.apache.beam.sdk.io.AvroSchemaIOProvider.AvroSchemaIO from(java.lang.String location,
                                                                     Row configuration,
                                                                     Schema dataSchema)

Produce a SchemaIO given a String representing the data's location, the schema of the data that resides there, and some IO-specific configuration object.

Specified by:

from in interface SchemaIOProvider

requiresDataSchema

public boolean requiresDataSchema()

Description copied from interface: SchemaIOProvider

Indicates whether the dataSchema value is necessary.

Specified by:

requiresDataSchema in interface SchemaIOProvider

isBounded

public PCollection.IsBounded isBounded()

Specified by:

isBounded in interface SchemaIOProvider