protected function checkExclusiveMinimum($entity, $schema, $entityName)
    {
        if (isset($schema->minimum) && isset($schema->exclusiveMinimum) && $schema->exclusiveMinimum) {
            if ($entity == $schema->minimum) {
                throw new ValidationException(sprintf('Invalid value for [%s], must be greater than [%s]', $entityName, $schema->minimum));
            }
        }

        return $this;
    }