/** * @return boolean */ public function addPermission(User_ForgeUGroup $user_group, User_ForgeUserGroupPermission $permission) { $user_group_id = $user_group->getId(); $permission_id = $permission->getId(); if (!$this->permissions_dao->permissionExistsForUGroup($user_group_id, $permission_id)) { return $this->permissions_dao->addPermission($user_group_id, $permission_id); } return true; }