/**
* Construct new instance of ResourceAssociationSet
*
* @param string $name Name of the association set
* @param ResourceAssociationSetEnd $end1 First end set participating
* in the association set
* @param ResourceAssociationSetEnd $end2 Second end set participating
* in the association set
*
* @throws \InvalidArgumentException
*/
public function __construct($name, ResourceAssociationSetEnd $end1, ResourceAssociationSetEnd $end2)
{
if (is_null($end1->getResourceProperty()) && is_null($end2->getResourceProperty())) {
throw new \InvalidArgumentException(Messages::resourceAssociationSetResourcePropertyCannotBeBothNull());
}
if ($end1->getResourceType() == $end2->getResourceType() && $end1->getResourceProperty() == $end2->getResourceProperty()) {
throw new \InvalidArgumentException(Messages::resourceAssociationSetSelfReferencingAssociationCannotBeBiDirectional());
}
$this->_name = $name;
$this->_end1 = $end1;
$this->_end2 = $end2;
}
