/**
* 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
}
}
}
