/**
* Set a lock file entry
*
* Function will create a lock file entry. If an entry already exists then function will return FALSE without modifying the
* lock cache file. The second argument $expire is a timestamp of the expiry date. The default expiry timestame is 6 hours
*
* @access public
* @param int $expire The default expire timestamp. Default is 6 hours
* @return bool TRUE if the lock was created, FALSE otherwise
*/
public function setLockFile($expire = null)
{
return parent::setLockFile($this->getid(), $expire);
}
