Package org.apache.hadoop.io.erasurecode.codec

Class ErasureCodec

java.lang.Object

org.apache.hadoop.io.erasurecode.codec.ErasureCodec

Direct Known Subclasses:

DummyErasureCodec, HHXORErasureCodec, RSErasureCodec, XORErasureCodec

@Private
public abstract class ErasureCodec
extends Object

Abstract Erasure Codec is defines the interface of each actual erasure codec classes.

Constructor Summary

Constructors

Constructor	Description
ErasureCodec(Configuration conf, ErasureCodecOptions options)

Method Summary

Modifier and Type	Method	Description
BlockGrouper	createBlockGrouper()
abstract ErasureDecoder	createDecoder()
abstract ErasureEncoder	createEncoder()
ErasureCodecOptions	getCodecOptions()	Get a ErasureCodecOptions.
ErasureCoderOptions	getCoderOptions()	Get a ErasureCoderOptions.
String	getName()
ECSchema	getSchema()
protected void	setCodecOptions(ErasureCodecOptions options)
protected void	setCoderOptions(ErasureCoderOptions options)

Methods inherited from class java.lang.Object

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

Constructor Details

ErasureCodec

public ErasureCodec(Configuration conf,
 ErasureCodecOptions options)

Method Details

getName

public String getName()

getSchema

public ECSchema getSchema()

getCodecOptions

public ErasureCodecOptions getCodecOptions()

Get a ErasureCodecOptions.

Returns:

erasure codec options

setCodecOptions

protected void setCodecOptions(ErasureCodecOptions options)

getCoderOptions

public ErasureCoderOptions getCoderOptions()

Get a ErasureCoderOptions.

Returns:

erasure coder options

setCoderOptions

protected void setCoderOptions(ErasureCoderOptions options)

createEncoder

public abstract ErasureEncoder createEncoder()

createDecoder

public abstract ErasureDecoder createDecoder()

createBlockGrouper

public BlockGrouper createBlockGrouper()