/**
* Generate association type name for a given association set,
* this name is used as value of Name attribute of Association type node in the
* metadata corrosponding to the given association set.
*
* Refer ./AssociationSetAndTypeNamingRules.txt for naming rules.
*
* @param ResourceAssociationSet $resourceAssociationSet The association set
*
* @return string The association type name
*/
private function _getAssociationTypeName(ResourceAssociationSet $resourceAssociationSet)
{
$end1 = !is_null($resourceAssociationSet->getEnd1()->getResourceProperty()) ? $resourceAssociationSet->getEnd1() : $resourceAssociationSet->getEnd2();
$end2 = $resourceAssociationSet->getRelatedResourceAssociationSetEnd($end1->getResourceSet(), $end1->getResourceType(), $end1->getResourceProperty());
//e.g. Customer_Orders (w.r.t Northwind DB)
$associationTypeName = $end1->getResourceType()->getName() . '_' . $end1->getResourceProperty()->getName();
if (!is_null($end2->getResourceProperty())) {
//Customer_Orders_Order_Customer
$associationTypeName .= '_' . $end2->getResourceType()->getName() . '_' . $end2->getResourceProperty()->getName();
}
return $associationTypeName;
}
/**
* Write both ends of the given association set.
*
* @param ResourceAssociationSet $associationSet resource association set
*
* @return nothing
*/
private function _writeAssocationSetEnds(ResourceAssociationSet $associationSet)
{
$associationTypeEnd1 = $associationSet->resourceAssociationType->getResourceAssociationTypeEnd($associationSet->getEnd1()->getResourceType(), $associationSet->getEnd1()->getResourceProperty());
$associationTypeEnd2 = $associationSet->resourceAssociationType->getResourceAssociationTypeEnd($associationSet->getEnd2()->getResourceType(), $associationSet->getEnd2()->getResourceProperty());
$this->_iOdataWriter->startElement(ODataConstants::END);
$this->_iOdataWriter->writeAttribute(ODataConstants::ROLE, $associationTypeEnd1->getName());
$this->_iOdataWriter->writeAttribute(ODataConstants::ENTITY_SET, $associationSet->getEnd1()->getResourceSet()->getName());
$this->_iOdataWriter->endElement();
$this->_iOdataWriter->startElement(ODataConstants::END);
$this->_iOdataWriter->writeAttribute(ODataConstants::ROLE, $associationTypeEnd2->getName());
$this->_iOdataWriter->writeAttribute(ODataConstants::ENTITY_SET, $associationSet->getEnd2()->getResourceSet()->getName());
$this->_iOdataWriter->endElement();
}
/**
* Test ResourceAssociationSet class
* Note: ResourceAssociationSet is an internal class used for metadata generation, not suppose to used by the developers
*/
public function testResourceAssociationSet()
{
try {
$customerResType = $this->_getCustomerResourceType();
$customerResourceSet = new ResourceSet('Customers', $customerResType);
$orderResType = $this->_getOrderResourceType();
$orderResourceSet = new ResourceSet('Orders', $orderResType);
$customerReferenceProperty = new ResourceProperty('Customer', null, ResourcePropertyKind::RESOURCE_REFERENCE, $customerResType);
$ordersReferenceSetProperty = new ResourceProperty('Orders', null, ResourcePropertyKind::RESOURCESET_REFERENCE, $orderResType);
$customerResType->addProperty($ordersReferenceSetProperty);
$orderResType->addProperty($customerReferenceProperty);
$assoSetEnd1 = new ResourceAssociationSetEnd($customerResourceSet, $customerResType, $ordersReferenceSetProperty);
$assoSetEnd2 = new ResourceAssociationSetEnd($orderResourceSet, $orderResType, $customerReferenceProperty);
$assoSet = new ResourceAssociationSet('Orders_Customers', $assoSetEnd1, $assoSetEnd2);
$this->AssertEquals($assoSet->getName(), 'Orders_Customers');
$this->AssertTrue($assoSet->getEnd1() === $assoSetEnd1);
$this->AssertTrue($assoSet->getEnd2() === $assoSetEnd2);
$this->AssertTrue($assoSet->getResourceAssociationSetEnd($customerResourceSet, $customerResType, $ordersReferenceSetProperty) === $assoSetEnd1);
$this->AssertTrue($assoSet->getRelatedResourceAssociationSetEnd($customerResourceSet, $customerResType, $ordersReferenceSetProperty) === $assoSetEnd2);
$exceptionThrown = false;
} catch (\Exception $exception) {
$this->fail('An unexpected Exception has been raised' . $exception->getMessage());
}
}
