/**
* Creates new instance of QueryProcessor
*
* @param RequestDescription $request Description of the request submitted by client.
* @param IService $service Reference to the service implementation.
*/
private function __construct(RequestDescription $request, IService $service)
{
$this->request = $request;
$this->service = $service;
$isSingleResult = $request->isSingleResult();
//$top, $skip, $order, $inlinecount & $count are only applicable if:
//The query targets a resource collection
$this->_setQueryApplicable = $request->getTargetKind() == TargetKind::RESOURCE() && !$isSingleResult;
//Or it's a $count resource (although $inlinecount isn't applicable in this case..but there's a check somewhere else for this
$this->_setQueryApplicable |= $request->queryType == QueryType::COUNT();
//Paging is allowed if
//The request targets a resource collection
//and the request isn't for a $count segment
$this->_pagingApplicable = $this->request->getTargetKind() == TargetKind::RESOURCE() && !$isSingleResult && $request->queryType != QueryType::COUNT();
$targetResourceType = $this->request->getTargetResourceType();
$targetResourceSetWrapper = $this->request->getTargetResourceSetWrapper();
$this->_expandSelectApplicable = !is_null($targetResourceType) && !is_null($targetResourceSetWrapper) && $targetResourceType->getResourceTypeKind() == ResourceTypeKind::ENTITY && !$this->request->isLinkUri();
}