/**
* Execute the client submitted request aganist the data source.
*
* @return void
*/
public function execute()
{
$segmentDescriptors =& $this->_requestDescription->getSegmentDescriptors();
foreach ($segmentDescriptors as $segmentDescriptor) {
$requestTargetKind = $segmentDescriptor->getTargetKind();
if ($segmentDescriptor->getTargetSource() == RequestTargetSource::ENTITY_SET) {
$this->_handleSegmentTargetsToResourceSet($segmentDescriptor);
} else {
if ($requestTargetKind == RequestTargetKind::RESOURCE) {
if (is_null($segmentDescriptor->getPrevious()->getResult())) {
ODataException::createResourceNotFoundError($segmentDescriptor->getPrevious()->getIdentifier());
}
$this->_handleSegmentTargetsToRelatedResource($segmentDescriptor);
} else {
if ($requestTargetKind == RequestTargetKind::LINK) {
$segmentDescriptor->setResult($segmentDescriptor->getPrevious()->getResult());
} else {
if ($segmentDescriptor->getIdentifier() == ODataConstants::URI_COUNT_SEGMENT) {
// we are done, $count will the last segment and
// taken care by _applyQueryOptions method
$segmentDescriptor->setResult($this->_requestDescription->getCountValue());
break;
} else {
if ($requestTargetKind == RequestTargetKind::MEDIA_RESOURCE) {
if (is_null($segmentDescriptor->getPrevious()->getResult())) {
ODataException::createResourceNotFoundError($segmentDescriptor->getPrevious()->getIdentifier());
}
// For MLE and Named Stream the result of last segment
// should be that of previous segment, this is required
// while retriving content type or stream from IDSSP
$segmentDescriptor->setResult($segmentDescriptor->getPrevious()->getResult());
// we are done, as named stream property or $value on
// media resource will be the last segment
break;
} else {
$value = $segmentDescriptor->getPrevious()->getResult();
while (!is_null($segmentDescriptor)) {
if (is_null($value)) {
$value = null;
} else {
try {
$property = new \ReflectionProperty($value, $segmentDescriptor->getIdentifier());
$value = $property->getValue($value);
} catch (\ReflectionException $reflectionException) {
//throw ODataException::createInternalServerError(Messages::orderByParserFailedToAccessOrInitializeProperty($resourceProperty->getName(), $resourceType->getName()));
}
}
$segmentDescriptor->setResult($value);
$segmentDescriptor = $segmentDescriptor->getNext();
if (!is_null($segmentDescriptor) && $segmentDescriptor->getIdentifier() == ODataConstants::URI_VALUE_SEGMENT) {
$segmentDescriptor->setResult($value);
$segmentDescriptor = $segmentDescriptor->getNext();
}
}
//done, exit from outer loop as inner while complete traversal.
break;
}
}
}
}
}
if (is_null($segmentDescriptor->getNext()) || $segmentDescriptor->getNext()->getIdentifier() == ODataConstants::URI_COUNT_SEGMENT) {
$this->_applyQueryOptions($segmentDescriptor);
}
}
// Apply $select and $expand options to result set, this function will be always applied
// irrespective of return value of IDSQP2::canApplyQueryOptions which means library will
// not delegate $expand/$select operation to IDSQP2 implementation
$this->_handleExpansion();
}