/**
* @param FREST\Resource $resource
* @param array $queryParameterSpecs
* @return int
* @throws FREST\Exception
*/
private function generateLimit($resource, &$queryParameterSpecs)
{
$limit = isset($this->parameters['limit']) ? $this->parameters['limit'] : $resource->getDefaultLimit();
$castedLimit = Type\Variable::castValue($limit, Type\Variable::INT);
if (!isset($castedLimit)) {
$typeString = Type\Variable::getString(Type\Variable::INT);
throw new FREST\Exception(FREST\Exception::InvalidType, "Expecting offset to be of type '{$typeString}' but received '{$limit}'.");
}
$maxLimit = $resource->getMaxLimit();
if ($castedLimit > $maxLimit) {
throw new FREST\Exception(FREST\Exception::InvalidValue, "The limit for this resource must not exceed {$maxLimit}. A limit of {$castedLimit} was supplied.");
}
$limitQueryParameter = new Spec\QueryParameter('limit', ':_limit', $castedLimit, Type\Variable::INT);
$queryParameterSpecs['_limit'] = $limitQueryParameter;
return $castedLimit;
}
