Package org.apache.hadoop.io.serializer.avro

Class AvroSpecificSerialization

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.hadoop.io.serializer.avro.AvroSerialization<org.apache.avro.specific.SpecificRecord>

org.apache.hadoop.io.serializer.avro.AvroSpecificSerialization

All Implemented Interfaces:

Configurable, Serialization<org.apache.avro.specific.SpecificRecord>

@Public
@Evolving
public class AvroSpecificSerialization
extends AvroSerialization<org.apache.avro.specific.SpecificRecord>

Serialization for Avro Specific classes. This serialization is to be used for classes generated by Avro's 'specific' compiler.

Field Summary

Fields inherited from class org.apache.hadoop.io.serializer.avro.AvroSerialization

AVRO_SCHEMA_KEY

Constructor Summary

Constructors

Constructor	Description
AvroSpecificSerialization()

Method Summary

Modifier and Type	Method	Description
boolean	accept(Class<?> c)	Allows clients to test whether this Serialization supports the given class.
org.apache.avro.io.DatumReader	getReader(Class<org.apache.avro.specific.SpecificRecord> clazz)	Create and return Avro DatumReader for the given class.
org.apache.avro.Schema	getSchema(org.apache.avro.specific.SpecificRecord t)	Return an Avro Schema instance for the given class.
org.apache.avro.io.DatumWriter	getWriter(Class<org.apache.avro.specific.SpecificRecord> clazz)	Create and return Avro DatumWriter for the given class.

Methods inherited from class org.apache.hadoop.io.serializer.avro.AvroSerialization

getDeserializer, getSerializer

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

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

Constructor Details

AvroSpecificSerialization

public AvroSpecificSerialization()

Method Details

accept

@Private
public boolean accept(Class<?> c)

Description copied from interface: Serialization

Allows clients to test whether this Serialization supports the given class.

Parameters:

c - class.

Returns:

if accept true,not false.

getReader

@Private
public org.apache.avro.io.DatumReader getReader(Class<org.apache.avro.specific.SpecificRecord> clazz)

Description copied from class: AvroSerialization

Create and return Avro DatumReader for the given class.

Specified by:

getReader in class AvroSerialization<org.apache.avro.specific.SpecificRecord>

Parameters:

clazz - clazz.

Returns:

DatumReader.

getSchema

@Private
public org.apache.avro.Schema getSchema(org.apache.avro.specific.SpecificRecord t)

Description copied from class: AvroSerialization

Return an Avro Schema instance for the given class.

Specified by:

getSchema in class AvroSerialization<org.apache.avro.specific.SpecificRecord>

Parameters:

t - Generics Type T.

Returns:

schema.

getWriter

@Private
public org.apache.avro.io.DatumWriter getWriter(Class<org.apache.avro.specific.SpecificRecord> clazz)

Description copied from class: AvroSerialization

Create and return Avro DatumWriter for the given class.

Specified by:

getWriter in class AvroSerialization<org.apache.avro.specific.SpecificRecord>

Parameters:

clazz - clazz.

Returns:

DatumWriter.