/**
  * Performs the work of inserting or updating the row in the database.
  *
  * If the object is new, it inserts it; otherwise an update is performed.
  * All related objects are also updated in this method.
  *
  * @param      ConnectionInterface $con
  * @return int             The number of rows affected by this insert/update and any referring fk objects' save() operations.
  * @throws PropelException
  * @see save()
  */
 protected function doSave(ConnectionInterface $con)
 {
     $affectedRows = 0;
     // initialize var to track total num of affected rows
     if (!$this->alreadyInSave) {
         $this->alreadyInSave = true;
         // We call the save method on the following object(s) if they
         // were passed to this object by their corresponding set
         // method.  This object relates to these object(s) by a
         // foreign key reference.
         if ($this->aFittingRuleRow !== null) {
             if ($this->aFittingRuleRow->isModified() || $this->aFittingRuleRow->isNew()) {
                 $affectedRows += $this->aFittingRuleRow->save($con);
             }
             $this->setFittingRuleRow($this->aFittingRuleRow);
         }
         if ($this->aconcatenationObj !== null) {
             if ($this->aconcatenationObj->isModified() || $this->aconcatenationObj->isNew()) {
                 $affectedRows += $this->aconcatenationObj->save($con);
             }
             $this->setconcatenationObj($this->aconcatenationObj);
         }
         if ($this->aItemFilterDef !== null) {
             if ($this->aItemFilterDef->isModified() || $this->aItemFilterDef->isNew()) {
                 $affectedRows += $this->aItemFilterDef->save($con);
             }
             $this->setItemFilterDef($this->aItemFilterDef);
         }
         if ($this->acomparisonObj !== null) {
             if ($this->acomparisonObj->isModified() || $this->acomparisonObj->isNew()) {
                 $affectedRows += $this->acomparisonObj->save($con);
             }
             $this->setcomparisonObj($this->acomparisonObj);
         }
         if ($this->isNew() || $this->isModified()) {
             // persist changes
             if ($this->isNew()) {
                 $this->doInsert($con);
                 $affectedRows += 1;
             } else {
                 $affectedRows += $this->doUpdate($con);
             }
             $this->resetModified();
         }
         $this->alreadyInSave = false;
     }
     return $affectedRows;
 }