/**
* Process the $skiptoken option in the request and update the request
* description, this function requires _processOrderBy method to be
* already invoked.
*
* @return void
*
* @throws ODataException Throws bad request error in the following cases
* (1) If $skiptoken cannot be applied to the
* resource targeted by the request uri
* (2) If paging is not enabled for the resource
* targeted by the request uri
* (3) If parsing of $skiptoken fails
* (4) If capability negotiation over version fails
*/
private function _processSkipToken()
{
$skipToken = $this->service->getHost()->getQueryStringItem(ODataConstants::HTTPQUERY_STRING_SKIPTOKEN);
if (is_null($skipToken)) {
return;
}
if (!$this->_pagingApplicable) {
throw ODataException::createBadRequestError(Messages::queryProcessorSkipTokenNotAllowed());
}
if (!$this->_isSSPagingRequired()) {
throw ODataException::createBadRequestError(Messages::queryProcessorSkipTokenCannotBeAppliedForNonPagedResourceSet($this->request->getTargetResourceSetWrapper()));
}
$internalOrderByInfo = $this->request->getInternalOrderByInfo();
//assert($internalOrderByInfo != null)
$targetResourceType = $this->request->getTargetResourceType();
//assert($targetResourceType != null)
$internalSkipTokenInfo = SkipTokenParser::parseSkipTokenClause($targetResourceType, $internalOrderByInfo, $skipToken);
$this->request->setInternalSkipTokenInfo($internalSkipTokenInfo);
$this->request->raiseMinVersionRequirement(2, 0);
$this->request->raiseResponseVersion(2, 0);
}