org.bonitasoft.engine.lock.impl

Class MemoryLockConditionService

java.lang.Object

org.bonitasoft.engine.lock.impl.MemoryLockConditionService

All Implemented Interfaces:

LockService

public final class MemoryLockConditionService
extends Object
implements LockService

This service must be configured as a singleton.

Author:

Elias Ricken de Medeiros

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	debugEnable
protected int	lockTimeout
protected TechnicalLoggerService	logger

Constructor Summary

Constructors

Constructor and Description
MemoryLockConditionService(TechnicalLoggerService logger, ReadSessionAccessor sessionAccessor, int lockTimeout, int lockPoolSize)

Method Summary

Modifier and Type	Method and Description
protected String	buildKey(long objectToLockId, String objectType)
BonitaLock	lock(long objectToLockId, String objectType, long tenantId) Acquire the lock for the object having type and id in parameters This method wait for the lock to be available
BonitaLock	tryLock(long objectToLockId, String objectType, long timeout, TimeUnit timeUnit, long tenantId) Acquire the lock for the object having type and id in parameters waiting maximum timeout This method wait for the lock to be available.
void	unlock(BonitaLock bonitaLock, long tenantId)

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final TechnicalLoggerService logger

lockTimeout

protected final int lockTimeout

debugEnable

protected final boolean debugEnable

Constructor Detail

MemoryLockConditionService

public MemoryLockConditionService(TechnicalLoggerService logger,
                                  ReadSessionAccessor sessionAccessor,
                                  int lockTimeout,
                                  int lockPoolSize)

Parameters:

logger -

sessionAccessor -

lockTimeout - timeout to obtain a lock in seconds

Method Detail

tryLock

public BonitaLock tryLock(long objectToLockId,
                          String objectType,
                          long timeout,
                          TimeUnit timeUnit,
                          long tenantId)

Description copied from interface: LockService

Acquire the lock for the object having type and id in parameters waiting maximum timeout
This method wait for the lock to be available. If it becomes available before the timeout expires the returns the obtained lock, else returns null

Specified by:

tryLock in interface LockService

tenantId - TODO

Returns:

the obtained lock if it has been acquired before the timeout expires or null if the timeout has expired.

lock

public BonitaLock lock(long objectToLockId,
                       String objectType,
                       long tenantId)
                throws SLockException

Description copied from interface: LockService

Acquire the lock for the object having type and id in parameters
This method wait for the lock to be available

Specified by:

lock in interface LockService

tenantId - TODO

Returns:

Throws:

SLockException

unlock

public void unlock(BonitaLock bonitaLock,
                   long tenantId)
            throws SLockException

Specified by:

unlock in interface LockService

Throws:

SLockException

buildKey

protected String buildKey(long objectToLockId,
                          String objectType)