org.apache.hadoop.fs

Class HdfsVolumeId

java.lang.Object

org.apache.hadoop.fs.HdfsVolumeId

All Implemented Interfaces:

Comparable<VolumeId>, VolumeId

@InterfaceStability.Unstable
@InterfaceAudience.Public
public class HdfsVolumeId
extends Object
implements VolumeId

HDFS-specific volume identifier which implements VolumeId. Can be used to differentiate between the data directories on a single datanode. This identifier is only unique on a per-datanode basis.

Constructor Summary

Constructors

Constructor and Description
HdfsVolumeId(byte[] id)

Method Summary

Methods

Modifier and Type	Method and Description
int	compareTo(VolumeId arg0)
boolean	equals(Object obj)
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

HdfsVolumeId

public HdfsVolumeId(byte[] id)

Method Detail

compareTo

public int compareTo(VolumeId arg0)

Specified by:

compareTo in interface Comparable<VolumeId>

Specified by:

compareTo in interface VolumeId

hashCode

public int hashCode()

Specified by:

hashCode in interface VolumeId

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Specified by:

equals in interface VolumeId

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object