Line data    Source code

       1             : /**
       2             :  * Copyright Soramitsu Co., Ltd. 2017 All Rights Reserved.
       3             :  * http://soramitsu.co.jp
       4             :  *
       5             :  * Licensed under the Apache License, Version 2.0 (the "License");
       6             :  * you may not use this file except in compliance with the License.
       7             :  * You may obtain a copy of the License at
       8             :  *
       9             :  *        http://www.apache.org/licenses/LICENSE-2.0
      10             :  *
      11             :  * Unless required by applicable law or agreed to in writing, software
      12             :  * distributed under the License is distributed on an "AS IS" BASIS,
      13             :  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      14             :  * See the License for the specific language governing permissions and
      15             :  * limitations under the License.
      16             :  */
      17             : 
      18             : #ifndef IROHA_SHARED_MODEL_TRIVIAL_PROTO_HPP
      19             : #define IROHA_SHARED_MODEL_TRIVIAL_PROTO_HPP
      20             : 
      21             : #include "utils/reference_holder.hpp"
      22             : 
      23             : namespace shared_model {
      24             :   namespace proto {
      25             :     /**
      26             :      * Simple generic class for handling proto objects
      27             :      * @tparam Iface is interface to inherit from
      28             :      * @tparam Proto is protobuf container
      29             :      */
      30             :     template <typename Iface, typename Proto>
      31             :     class TrivialProto final : public Iface {
      32             :      public:
      33             :       /**
      34             :        * @tparm ProtoLoader generic param so it can be handled
      35             :        *                    in the load for the boost::variant
      36             :        */
      37             :       template <typename ProtoLoader>
      38             :       explicit TrivialProto(ProtoLoader &&ref)
      39        1740 :           : proto_(std::forward<ProtoLoader>(ref)) {}
      40             : 
      41             :      protected:
      42             :       typename Iface::ModelType *clone() const override {
      43           0 :         return new TrivialProto(Proto(*proto_));
      44           0 :       }
      45             : 
      46             :      private:
      47             :       detail::ReferenceHolder<Proto> proto_;
      48             :     };
      49             : 
      50             :     /**
      51             :      * Simple generic class for handling proto objects
      52             :      * @tparam Iface is interface to inherit from
      53             :      * @tparam Proto is protobuf container
      54             :      * @tparam Impl is implementation of Iface
      55             :      */
      56             :     template <typename Iface, typename Proto, typename Impl>
      57             :     class CopyableProto : public Iface {
      58             :      public:
      59             :       /**
      60             :        * @tparm ProtoLoader generic param so it can be handled
      61             :        *                    in the load for the boost::variant
      62             :        */
      63             :       template <typename ProtoLoader>
      64             :       explicit CopyableProto(ProtoLoader &&ref)
      65       82881 :           : proto_(std::forward<ProtoLoader>(ref)) {}
      66             : 
      67             :       using TransportType = Proto;
      68             : 
      69             :       const Proto &getTransport() const {
      70           4 :         return *proto_;
      71             :       }
      72             : 
      73             :      protected:
      74             :       typename Iface::ModelType *clone() const override final {
      75         971 :         return new Impl(Proto(*proto_));
      76           0 :       }
      77             :       detail::ReferenceHolder<Proto> proto_;
      78             :     };
      79             :   }  // namespace proto
      80             : }  // namespace shared_model
      81             : 
      82             : #endif  // IROHA_SHARED_MODEL_TRIVIAL_PROTO_HPP