org.apache.hadoop.hdfs.protocol

Class ErasureCodingPolicy

java.lang.Object

org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy

@InterfaceAudience.Public
 @InterfaceStability.Evolving
public final class ErasureCodingPolicy
extends Object

A policy about how to write/read/code an erasure coding file.

Constructor Summary

Constructors

Constructor and Description
ErasureCodingPolicy(ECSchema schema, int cellSize, byte id)
ErasureCodingPolicy(String name, ECSchema schema, int cellSize, byte id)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
int	getCellSize()
String	getCodecName()
byte	getId()
String	getName()
int	getNumDataUnits()
int	getNumParityUnits()
ECSchema	getSchema()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ErasureCodingPolicy

public ErasureCodingPolicy(String name,
                           ECSchema schema,
                           int cellSize,
                           byte id)

ErasureCodingPolicy

public ErasureCodingPolicy(ECSchema schema,
                           int cellSize,
                           byte id)

Method Detail

getName

public String getName()

getSchema

public ECSchema getSchema()

getCellSize

public int getCellSize()

getNumDataUnits

public int getNumDataUnits()

getNumParityUnits

public int getNumParityUnits()

getCodecName

public String getCodecName()

getId

public byte getId()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object