Queries the attribute for it's parent MetaModel instance.
| public getMetaModel ( ) : MetaModels\IMetaModel | ||
| return | MetaModels\IMetaModel | the MetaModel instance. |
/**
* Check the single attributes.
*
* @param IAttribute $latitudeAttribute The attribute to be checked.
*
* @param IAttribute $longitudeAttribute The attribute to be checked.
*
* @return void
*
* @throws \InvalidArgumentException If one of the attribute is not from type ISimple.
*/
private function checkSingleAttributes($latitudeAttribute, $longitudeAttribute)
{
// Check if both of the are simple
if (!$latitudeAttribute instanceof ISimple || !$longitudeAttribute instanceof ISimple) {
throw new \InvalidArgumentException('Only simple attributes are allowed.');
}
if ($latitudeAttribute->getMetaModel() !== $longitudeAttribute->getMetaModel()) {
throw new \InvalidArgumentException('The first and second attribute have to be from the same MetaModel.');
}
}
