/**
* 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;
}
/**
* Remove entries from a map
*
* @param string $mapName the map we're working on
* @param array $data an associative array of data about the entries to match
* @return GalleryStatus a status code
*/
function removeMapEntry($mapName, $data)
{
global $gallery;
if (sizeof($data) == 0) {
return MyOOS_CoreApi::error(ERROR_BAD_PARAMETER);
}
$storage =& $gallery->getStorage();
$ret = $storage->removeMapEntry($mapName, $data);
if ($ret) {
return $ret;
}
return null;
}
