Package org.apache.hadoop.ozone.om.snapshot

Class MultiSnapshotLocks

java.lang.Object

org.apache.hadoop.ozone.om.snapshot.MultiSnapshotLocks

public class MultiSnapshotLocks
extends Object

Class to take multiple locks on multiple snapshots.

Constructor Summary

Constructors

Constructor	Description
MultiSnapshotLocks(org.apache.hadoop.ozone.om.lock.IOzoneManagerLock lock, org.apache.hadoop.ozone.om.lock.IOzoneManagerLock.Resource resource, boolean writeLock)

Method Summary

Modifier and Type	Method	Description
org.apache.hadoop.ozone.om.lock.OMLockDetails	acquireLock(Collection<UUID> ids)
boolean	isLockAcquired()
void	releaseLock()

Methods inherited from class java.lang.Object

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

Constructor Details

MultiSnapshotLocks

public MultiSnapshotLocks(org.apache.hadoop.ozone.om.lock.IOzoneManagerLock lock,
 org.apache.hadoop.ozone.om.lock.IOzoneManagerLock.Resource resource,
 boolean writeLock)

Method Details

acquireLock

public org.apache.hadoop.ozone.om.lock.OMLockDetails acquireLock(Collection<UUID> ids)
                                                          throws org.apache.hadoop.ozone.om.exceptions.OMException

Throws:

org.apache.hadoop.ozone.om.exceptions.OMException

releaseLock

public void releaseLock()

isLockAcquired

public boolean isLockAcquired()