/**
  * Get the associated ChildExpertGroup object
  *
  * @param  ConnectionInterface $con Optional Connection object.
  * @return ChildExpertGroup The associated ChildExpertGroup object.
  * @throws PropelException
  */
 public function getExpertGroup(ConnectionInterface $con = null)
 {
     if ($this->aExpertGroup === null && ($this->group_name !== "" && $this->group_name !== null)) {
         $this->aExpertGroup = ChildExpertGroupQuery::create()->findPk($this->group_name, $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.
               $this->aExpertGroup->addExpertGroupMemberss($this);
            */
     }
     return $this->aExpertGroup;
 }
 /**
  * Removes this object from datastore and sets delete attribute.
  *
  * @param      ConnectionInterface $con
  * @return void
  * @throws PropelException
  * @see ExpertGroup::setDeleted()
  * @see ExpertGroup::isDeleted()
  */
 public function delete(ConnectionInterface $con = null)
 {
     if ($this->isDeleted()) {
         throw new PropelException("This object has already been deleted.");
     }
     if ($con === null) {
         $con = Propel::getServiceContainer()->getWriteConnection(ExpertGroupTableMap::DATABASE_NAME);
     }
     $con->transaction(function () use($con) {
         $deleteQuery = ChildExpertGroupQuery::create()->filterByPrimaryKey($this->getPrimaryKey());
         $ret = $this->preDelete($con);
         if ($ret) {
             $deleteQuery->delete($con);
             $this->postDelete($con);
             $this->setDeleted(true);
         }
     });
 }