/**
* Obtains the children objects of this object
*
* @return Array of ObjectRelation objects
*/
function getObjectRelations()
{
if (is_null($this->objectRelations)) {
$objectRelationMapper = new ObjectRelationMapper();
$this->objectRelations = $objectRelationMapper->findByParentId($this->getId());
}
return $this->objectRelations;
}
