/** * Get the associated Usergroup object * * @param PropelPDO Optional Connection object. * @return Usergroup The associated Usergroup object. * @throws PropelException */ public function getUsergroup(PropelPDO $con = null) { if ($this->aUsergroup === null && $this->usergroup_id !== null) { $c = new Criteria(UsergroupPeer::DATABASE_NAME); $c->add(UsergroupPeer::ID, $this->usergroup_id); $this->aUsergroup = UsergroupPeer::doSelectOne($c, $con); /* The following can be used additionally to guarantee the related object contains a reference to this object. This level of coupling may, however, be undesirable since it could result in an only partially populated collection in the referenced object. $this->aUsergroup->addUsergroupHasActivitys($this); */ } return $this->aUsergroup; }