PostgreSqlLockManager Class Reference

PostgreSQL version of DBLockManager that supports shared locks. More...

Inheritance diagram for PostgreSqlLockManager:

Collaboration diagram for PostgreSqlLockManager:

List of all members.

Protected Member Functions
	freeLocksOnServer ($lockSrv, array $paths, $type)
	getLocksOnServer ($lockSrv, array $paths, $type)
	Get a connection to a lock server and acquire locks on $paths.
	releaseAllLocks ()
Protected Attributes
Array	$lockTypeMap
	Mapping of lock types to the type actually used *.

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Detailed Description

PostgreSQL version of DBLockManager that supports shared locks.

All locks are non-blocking, which avoids deadlocks.

Definition at line 352 of file DBLockManager.php.

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Member Function Documentation

PostgreSqlLockManager::freeLocksOnServer	(	$	lockSrv,
		array $	paths,
		$	type
	)		[protected]

See also:

QuorumLockManager::freeLocksOnServer()

Returns:

Status

Reimplemented from QuorumLockManager.

Definition at line 407 of file DBLockManager.php.

References Status\newGood().

PostgreSqlLockManager::getLocksOnServer	(	$	lockSrv,
		array $	paths,
		$	type
	)		[protected]

Get a connection to a lock server and acquire locks on $paths.

Parameters:

$lockSrv	string
$paths	array
$type	integer

Returns:

Status

Reimplemented from QuorumLockManager.

Definition at line 359 of file DBLockManager.php.

PostgreSqlLockManager::releaseAllLocks

(

)

[protected]

See also:

QuorumLockManager::releaseAllLocks()

Returns:

Status

Reimplemented from QuorumLockManager.

Definition at line 415 of file DBLockManager.php.

References as, Status\newGood(), and DatabaseBase\query().

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Member Data Documentation

Array PostgreSqlLockManager::$lockTypeMap [protected]

Initial value:

 array(
                self::LOCK_SH => self::LOCK_SH,
                self::LOCK_UW => self::LOCK_SH,
                self::LOCK_EX => self::LOCK_EX
        )

Mapping of lock types to the type actually used *.

Reimplemented from LockManager.

Definition at line 353 of file DBLockManager.php.

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The documentation for this class was generated from the following file:

• includes/filebackend/lockmanager/DBLockManager.php