Package org.apache.hadoop.yarn.server.resourcemanager.volume.csi

Class VolumeStates

java.lang.Object

org.apache.hadoop.yarn.server.resourcemanager.volume.csi.VolumeStates

public class VolumeStates
extends Object

Volume manager states, including all managed volumes and their states.

Constructor Summary

Constructors

Constructor	Description
VolumeStates()

Method Summary

Modifier and Type	Method	Description
Volume	addVolumeIfAbsent(Volume volume)	Add volume if it is not yet added.
Volume	getVolume(org.apache.hadoop.yarn.server.volume.csi.VolumeId volumeId)

Methods inherited from class java.lang.Object

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

Constructor Details

VolumeStates

public VolumeStates()

Method Details

getVolume

public Volume getVolume(org.apache.hadoop.yarn.server.volume.csi.VolumeId volumeId)

addVolumeIfAbsent

public Volume addVolumeIfAbsent(Volume volume)

Add volume if it is not yet added. If a new volume is added with a same VolumeId with a existing volume, existing volume will be returned.

Parameters:

volume - volume to add

Returns:

volume added or existing volume