/**
* Create a new relation instance.
*
* @param \Analogue\ORM\System\Mapper $mapper
* @param Mappable $parent
* @return void
*/
public function __construct(Mapper $mapper, $parent)
{
$this->relatedMapper = $mapper;
$this->query = $mapper->getQuery();
$this->parent = $parent;
$this->parentMapper = $mapper->getManager()->getMapper($parent);
$this->parentMap = $this->parentMapper->getEntityMap();
$this->related = $this->query->getEntityInstance();
$this->relatedMap = $mapper->getEntityMap();
$this->addConstraints();
}
