/**
* Add a relation from this info object to a phyical object. Check to make
* sure the relationship is unique.
*
* @param QubitPhysicalObject $physicalObject Subject of relationship
* @return QubitInformationObject this object
*/
public function addPhysicalObject($physicalObject)
{
// Verify that $physicalObject is really a Physical Object and
// Don't add an identical info object -> physical object relationship
if (get_class($physicalObject) == 'QubitPhysicalObject' && $this->getPhysicalObject($physicalObject->id) === null) {
$relation = new QubitRelation();
$relation->setSubject($physicalObject);
$relation->setTypeId(QubitTerm::HAS_PHYSICAL_OBJECT_ID);
$this->relationsRelatedByobjectId[] = $relation;
}
return $this;
}
