/**
* Return the active lock system.
*
* @param boolean $canInit (optional) if false and lockSystem isn't yet initialized, return null
* @return array GalleryStatus a status code
* GalleryLockSystem the lock implementation (reference)
*/
function &getLockSystem($canInit = true)
{
if (!isset($this->_lockSystem)) {
if ($canInit) {
list($ret, $which) = MyOOS_CoreApi::getPluginParameter('module', 'core', 'lock.system');
if ($ret) {
$ret = array($ret, null);
return $ret;
}
} else {
$which = 'null';
}
switch ($which) {
case 'flock':
MyOOS_CoreApi::requireOnce('modules/core/classes/FlockLockSystem.class');
$this->_lockSystem = new FlockLockSystem();
break;
case 'database':
MyOOS_CoreApi::requireOnce('modules/core/classes/DatabaseLockSystem.class');
$this->_lockSystem = new DatabaseLockSystem();
break;
case 'null':
$this->_lockSystem = null;
break;
default:
$ret = array(MyOOS_CoreApi::error(ERROR_BAD_PARAMETER), null);
return $ret;
}
}
$ret = array(null, &$this->_lockSystem);
return $ret;
}
/**
* Get id of the guest user.
*
* @return array GalleryStatus a status code
* int user id
*/
function getAnonymousUserId()
{
global $gallery;
$id = $gallery->getConfig('anonymousUserId');
if (empty($id)) {
list($ret, $id) = MyOOS_CoreApi::getPluginParameter('module', 'core', 'id.anonymousUser');
if ($ret) {
return array($ret, null);
}
}
return array(null, $id);
}
