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

HdfsVolumeId(byte[] id)

Method Summary

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