/**
* Query for a related resource set or resource set reference pointed by the
* given segment descriptor and update the descriptor with the result.
*
* @param SegmentDescriptor &$segmentDescriptor Describes the related resource
* to query.
*
* @return void
*/
private function _handleSegmentTargetsToRelatedResource(SegmentDescriptor &$segmentDescriptor)
{
$projectedProperty = $segmentDescriptor->getProjectedProperty();
$projectedPropertyKind = $projectedProperty->getKind();
if ($projectedPropertyKind == ResourcePropertyKind::RESOURCESET_REFERENCE) {
if ($segmentDescriptor->isSingleResult()) {
$entityInstance = $this->_provider->getResourceFromRelatedResourceSet($segmentDescriptor->getPrevious()->getTargetResourceSetWrapper()->getResourceSet(), $segmentDescriptor->getPrevious()->getResult(), $segmentDescriptor->getTargetResourceSetWrapper()->getResourceSet(), $projectedProperty, $segmentDescriptor->getKeyDescriptor());
$segmentDescriptor->setResult($entityInstance);
} else {
$entityInstances = $this->_provider->getRelatedResourceSet($segmentDescriptor->getPrevious()->getTargetResourceSetWrapper()->getResourceSet(), $segmentDescriptor->getPrevious()->getResult(), $segmentDescriptor->getTargetResourceSetWrapper()->getResourceSet(), $segmentDescriptor->getProjectedProperty(), $this->_requestDescription->getInternalFilterInfo(), null, null, null, null);
$segmentDescriptor->setResult($entityInstances);
}
} else {
if ($projectedPropertyKind == ResourcePropertyKind::RESOURCE_REFERENCE) {
$entityInstance = $this->_provider->getRelatedResourceReference($segmentDescriptor->getPrevious()->getTargetResourceSetWrapper()->getResourceSet(), $segmentDescriptor->getPrevious()->getResult(), $segmentDescriptor->getTargetResourceSetWrapper()->getResourceSet(), $segmentDescriptor->getProjectedProperty());
$segmentDescriptor->setResult($entityInstance);
} else {
//Unexpected state
}
}
}
/**
* Gets reference to the ResourceProperty instance targetted by
* the resource path, ResourceProperty will present in the
* following cases:
* if the last segement descriptor describes
* (a) resource set (after 1 level)
* http://server/NW.svc/Customers('ALFKI')/Orders
* http://server/NW.svc/Customers('ALFKI')/Orders(123)
* http://server/NW.svc/Customers('ALFKI')/$links/Orders
* (b) resource set reference
* http://server/NW.svc/Orders(123)/Customer
* http://server/NW.svc/Orders(123)/$links/Customer
* (c) $count
* http://server/NW.svc/Customers/$count
* (d) Primitive
* http://server/NW.svc/Customers('ALFKI')/Country
* (e) $value on primitive type
* http://server/NW.svc/Customers('ALFKI')/Country/$value
* (f) Complex
* http://server/NW.svc/Customers('ALFKI')/Address
* (g) Bag
* http://server/NW.svc/Employees(123)/Emails
* (h) MLE
* http://server/NW.svc/Employees(123)/$value
*
* ResourceType will be absent (NULL) in the following cases:
* if the last segment descriptor describes
* (a) If last segment is the only segment pointing to
* ResourceSet (single or multiple)
* http://server/NW.svc/Customers
* http://server/NW.svc/Customers('ALFKI')
* (b) Named Stream
* http://server/NW.svc/Employees(123)/Thumnail48_48
* (c) metadata
* http://server/NW.svc/$metadata
* (d) service directory
* http://server/NW.svc
* (e) $bath
* http://server/NW.svc/$batch
*
* @return ResourceProperty/NULL
*/
public function getProjectedProperty()
{
return $this->_lastSegmentDescriptor->getProjectedProperty();
}
