/**
* Add Child
*
* @param Admin\Entity\MasterSystem $child
* @return MasterSystem
*/
public function addChild(\Admin\Entity\MasterSystem $child)
{
$child->setParent($this);
// synchronously updating inverse side
$this->children[] = $child;
return $this;
}
/**
* Add system
*
* @param Admin\Entity\MasterSystem $system
* @return Project
*/
public function addSystem(\Admin\Entity\MasterSystem $system)
{
$system->addProject($this);
// synchronously updating inverse side
$this->systems[] = $system;
return $this;
}