org.alfresco.repo.domain.locks.ibatis

Class LockDAOImpl

java.lang.Object

org.alfresco.repo.domain.locks.AbstractLockDAOImpl

org.alfresco.repo.domain.locks.ibatis.LockDAOImpl

All Implemented Interfaces:

LockDAO

public class LockDAOImpl
extends AbstractLockDAOImpl

iBatis-specific implementation of the Locks DAO.

Since:

3.2

Author:

Derek Hulley

Constructor Summary

Constructors

Constructor and Description
LockDAOImpl()

Method Summary

Modifier and Type	Method and Description
protected LockEntity	createLock(Long sharedResourceId, Long exclusiveResourceId, String lockToken, long timeToLive) Create a new lock.
protected LockResourceEntity	createLockResource(Long qnameNamespaceId, String qnameLocalName) Create a unique lock resource
protected LockEntity	getLock(Long id)
protected LockEntity	getLock(Long sharedResourceId, Long exclusiveResourceId)
protected LockResourceEntity	getLockResource(Long qnameNamespaceId, String qnameLocalName) Override to get the unique, lock resource entity if one exists.
protected List<LockEntity>	getLocksBySharedResourceIds(List<Long> sharedLockResourceIds) Get any existing lock data for the shared resources.
void	setSqlSessionTemplate(org.mybatis.spring.SqlSessionTemplate sqlSessionTemplate)
protected LockEntity	updateLock(LockEntity lockEntity, String lockToken, long timeToLive) Update an existing lock
protected int	updateLocks(Long exclusiveLockResourceId, String oldLockToken, String newLockToken, long timeToLive)

Methods inherited from class org.alfresco.repo.domain.locks.AbstractLockDAOImpl

getLock, getQNameDAO, refreshLock, releaseLock, setQnameDAO, splitLockQName

Methods inherited from class java.lang.Object

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

Constructor Detail

LockDAOImpl

public LockDAOImpl()

Method Detail

setSqlSessionTemplate

public final void setSqlSessionTemplate(org.mybatis.spring.SqlSessionTemplate sqlSessionTemplate)

getLockResource

protected LockResourceEntity getLockResource(Long qnameNamespaceId,
                                             String qnameLocalName)

Description copied from class: AbstractLockDAOImpl

Override to get the unique, lock resource entity if one exists.

Specified by:

getLockResource in class AbstractLockDAOImpl

Parameters:

qnameNamespaceId - the namespace entity ID

qnameLocalName - the lock localname

Returns:

Returns the lock resource entity, or null if it doesn't exist

createLockResource

protected LockResourceEntity createLockResource(Long qnameNamespaceId,
                                                String qnameLocalName)

Description copied from class: AbstractLockDAOImpl

Create a unique lock resource

Specified by:

createLockResource in class AbstractLockDAOImpl

Parameters:

qnameNamespaceId - the namespace entity ID

qnameLocalName - the lock localname

Returns:

Returns the newly created lock resource entity

getLocksBySharedResourceIds

protected List<LockEntity> getLocksBySharedResourceIds(List<Long> sharedLockResourceIds)

Description copied from class: AbstractLockDAOImpl

Get any existing lock data for the shared resources. The locks returned are not filtered and may be expired.

Specified by:

getLocksBySharedResourceIds in class AbstractLockDAOImpl

Parameters:

sharedLockResourceIds - a list of shared resource IDs for which to retrieve the current locks

Returns:

Returns a list of locks (expired or not) for the given lock resources

getLock

protected LockEntity getLock(Long id)

Specified by:

getLock in class AbstractLockDAOImpl

Parameters:

id - the lock instance ID

Returns:

Returns the lock, if it exists, otherwise null

getLock

protected LockEntity getLock(Long sharedResourceId,
                             Long exclusiveResourceId)

Specified by:

getLock in class AbstractLockDAOImpl

Parameters:

sharedResourceId - the shared lock resource ID

exclusiveResourceId - the exclusive lock resource ID

Returns:

Returns the lock, if it exists, otherwise null

createLock

protected LockEntity createLock(Long sharedResourceId,
                                Long exclusiveResourceId,
                                String lockToken,
                                long timeToLive)

Description copied from class: AbstractLockDAOImpl

Create a new lock.

Specified by:

createLock in class AbstractLockDAOImpl

Parameters:

sharedResourceId - the specific resource to lock

exclusiveResourceId - the exclusive lock that is being sought

lockToken - the lock token to assign

timeToLive - the time, in milliseconds, for the lock to remain valid

Returns:

Returns the new lock

updateLock

protected LockEntity updateLock(LockEntity lockEntity,
                                String lockToken,
                                long timeToLive)

Description copied from class: AbstractLockDAOImpl

Update an existing lock

Specified by:

updateLock in class AbstractLockDAOImpl

Parameters:

lockEntity - the specific lock to update

lockToken - the new lock token

timeToLive - the new lock time, in milliseconds, for the lock to remain valid

Returns:

Returns the updated lock

updateLocks

protected int updateLocks(Long exclusiveLockResourceId,
                          String oldLockToken,
                          String newLockToken,
                          long timeToLive)

Specified by:

updateLocks in class AbstractLockDAOImpl

Parameters:

exclusiveLockResourceId - the exclusive resource ID being locks

oldLockToken - the lock token to change from

newLockToken - the new lock token

timeToLive - the new time to live (in milliseconds)

Returns:

the number of rows updated