/**
* Read skip or top query option value which is expected to be positive
* integer.
*
* @param string $queryItem The name of the query item to read from request
* uri ($skip or $top).
* @param int &$value On return, If the requested query item is
* present with a valid integer value then this
* argument will holds that integer value
* otherwise holds zero.
*
* @return boolean True If the requested query item with valid integer
* value is present in the request, false query
* item is absent in the request uri.
*
* @throws ODataException Throws syntax error if the requested argument
* is present and it is not an integer.
*/
private function _readSkipOrTopOption($queryItem, &$value)
{
$value = $this->_dataService->getHost()->getQueryStringItem($queryItem);
if (!is_null($value)) {
$int = new Int32();
if (!$int->validate($value, $outValue)) {
ODataException::createSyntaxError(Messages::queryProcessorIncorrectArgumentFormat($queryItem, $value));
}
$value = intval($value);
if ($value < 0) {
ODataException::createSyntaxError(Messages::queryProcessorIncorrectArgumentFormat($queryItem, $value));
}
return true;
}
$value = 0;
return false;
}
