| #ifndef PROTON_MESSAGE_ID_HPP |
| #define PROTON_MESSAGE_ID_HPP |
| |
| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| |
| #include "./binary.hpp" |
| #include "./scalar_base.hpp" |
| #include "./uuid.hpp" |
| |
| #include <proton/type_compat.h> |
| |
| #include <string> |
| |
| /// @file |
| /// @copybrief proton::message_id |
| |
| namespace proton { |
| |
| /// An AMQP message ID. |
| /// |
| /// It can contain one of the following types: |
| /// |
| /// - uint64_t |
| /// - std::string |
| /// - proton::uuid |
| /// - proton::binary |
| /// |
| class message_id : public scalar_base { |
| public: |
| /// An empty message_id. |
| message_id() {} |
| |
| /// Construct from any type that can be assigned. |
| template <class T> message_id(const T& x) { *this = x; } |
| |
| /// @name Assignment operators |
| /// Assign a C++ value, deduce the AMQP type() |
| /// |
| /// @{ |
| message_id& operator=(uint64_t x) { put_(x); return *this; } |
| message_id& operator=(const uuid& x) { put_(x); return *this; } |
| message_id& operator=(const binary& x) { put_(x); return *this; } |
| message_id& operator=(const std::string& x) { put_(x); return *this; } |
| message_id& operator=(const char* x) { put_(x); return *this; } ///< Treated as amqp::STRING |
| /// @} |
| |
| private: |
| message_id(const pn_atom_t& a): scalar_base(a) {} |
| |
| ///@cond INTERNAL |
| friend class message; |
| friend class codec::decoder; |
| ///@endcond |
| }; |
| |
| /// @cond INTERNAL |
| /// Base template for get(message_id), specialized for legal message_id types. |
| template <class T> T get(const message_id& x); |
| /// @endcond |
| |
| /// Get the uint64_t value or throw conversion_error. @relatedalso message_id |
| template<> inline uint64_t get<uint64_t>(const message_id& x) { return internal::get<uint64_t>(x); } |
| /// Get the @ref uuid value or throw conversion_error. @relatedalso message_id |
| template<> inline uuid get<uuid>(const message_id& x) { return internal::get<uuid>(x); } |
| /// Get the @ref binary value or throw conversion_error. @relatedalso message_id |
| template<> inline binary get<binary>(const message_id& x) { return internal::get<binary>(x); } |
| /// Get the std::string value or throw conversion_error. @relatedalso message_id |
| template<> inline std::string get<std::string>(const message_id& x) { return internal::get<std::string>(x); } |
| |
| /// @copydoc scalar::coerce |
| /// @relatedalso message_id |
| template<class T> T coerce(const message_id& x) { return internal::coerce<T>(x); } |
| |
| } // proton |
| |
| #endif // PROTON_MESSAGE_ID_HPP |