Package cz.metacentrum.perun.core.impl

Class PerunLocksUtils

java.lang.Object

cz.metacentrum.perun.core.impl.PerunLocksUtils

public class PerunLocksUtils
extends Object

Methods and structures for working with locks on objects and actions.

Created by Michal Stava stavamichal@gmail.com

Field Summary

Fields

Modifier and Type	Field	Description
static final ThreadLocal<Object>	UNIQUE_KEY

Method Summary

Modifier and Type	Method	Description
static void	lockConsentHub(ConsentHub consentHub)	Create transaction lock for consentHub and also bind it to the transaction (as resource by Object uniqueKey)
static void	lockGroupMembership(Group group)	Create transaction locks for group and bind them to the transaction (as resource by Object uniqueKey)
static void	lockGroupMembership(Group group, List<Member> members)	Create transaction locks for combination of group and member (from list of members) and also bind them to the transaction (as resource by Object uniqueKey)
static void	lockGroupMembership(List<Group> groups)	Create transaction locks for list of Groups and bind them to the transaction (as resource by Object uniqueKey)
static void	unlockAll(List<Lock> locks)	Unlock all locks in argument list

Methods inherited from class java.lang.Object

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

Field Details

UNIQUE_KEY

public static final ThreadLocal<Object> UNIQUE_KEY

Method Details

lockConsentHub

public static void lockConsentHub(ConsentHub consentHub)

Create transaction lock for consentHub and also bind it to the transaction (as resource by Object uniqueKey)

Parameters:

consentHub - the consentHub

lockGroupMembership

public static void lockGroupMembership(List<Group> groups)

Create transaction locks for list of Groups and bind them to the transaction (as resource by Object uniqueKey)

Parameters:

groups - list of groups

Throws:

InternalErrorException

lockGroupMembership

public static void lockGroupMembership(Group group)

Create transaction locks for group and bind them to the transaction (as resource by Object uniqueKey)

Parameters:

group - the group

Throws:

InternalErrorException

InterruptedException

lockGroupMembership

public static void lockGroupMembership(Group group,
 List<Member> members)

Create transaction locks for combination of group and member (from list of members) and also bind them to the transaction (as resource by Object uniqueKey)

Parameters:

group - the group

members - list of members

Throws:

InternalErrorException

InterruptedException

unlockAll

public static void unlockAll(List<Lock> locks)

Unlock all locks in argument list

Parameters:

locks - list of locks to unlock