Line data    Source code

       1             : /**
       2             :  * Copyright Soramitsu Co., Ltd. All Rights Reserved.
       3             :  * SPDX-License-Identifier: Apache-2.0
       4             :  */
       5             : 
       6             : #ifndef IROHA_TRANSPORT_BUILDER_HPP
       7             : #define IROHA_TRANSPORT_BUILDER_HPP
       8             : 
       9             : #include "common/result.hpp"
      10             : 
      11             : namespace shared_model {
      12             :   namespace proto {
      13             : 
      14             :     /**
      15             :      * Class for building any shared model objects from corresponding transport
      16             :      * representation (e.g. protobuf object)
      17             :      * @tparam T Build type
      18             :      * @tparam SV Stateless validator type
      19             :      */
      20             :     template <typename T, typename SV>
      21             :     class [[deprecated]] TransportBuilder {
      22             :      public:
      23             :       TransportBuilder(const SV &validator = SV())
      24           4 :           : stateless_validator_(validator) {}
      25             : 
      26             :       /**
      27             :        * Builds result from transport object
      28             :        * @return value if transport object is valid and error message otherwise
      29             :        */
      30             :       iroha::expected::Result<T, std::string> build(
      31             :           typename T::TransportType transport) {
      32           4 :         auto result = T(transport);
      33           4 :         auto answer = stateless_validator_.validate(result);
      34           4 :         if (answer.hasErrors()) {
      35           2 :           return iroha::expected::makeError(answer.reason());
      36             :         }
      37           2 :         return iroha::expected::makeValue(T(std::move(transport)));
      38           4 :       }
      39             : 
      40             :      private:
      41             :       SV stateless_validator_;
      42             :     };
      43             : 
      44             :   }  // namespace proto
      45             : }  // namespace shared_model
      46             : #endif  // IROHA_TRANSPORT_BUILDER_HPP