/**
* @param Area $area The area object to add.
*/
protected function doAddArea($area)
{
$countryArea = new ChildCountryArea();
$countryArea->setArea($area);
$this->addCountryArea($countryArea);
// set the back reference to this object directly as using provided method either results
// in endless loop or in multiple relations
if (!$area->getCountries()->contains($this)) {
$foreignCollection = $area->getCountries();
$foreignCollection[] = $this;
}
}
