Qpid Proton C++ API 0.39.0
 
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message_id.hpp
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1#ifndef PROTON_MESSAGE_ID_HPP
2#define PROTON_MESSAGE_ID_HPP
3
4/*
5 *
6 * Licensed to the Apache Software Foundation (ASF) under one
7 * or more contributor license agreements. See the NOTICE file
8 * distributed with this work for additional information
9 * regarding copyright ownership. The ASF licenses this file
10 * to you under the Apache License, Version 2.0 (the
11 * "License"); you may not use this file except in compliance
12 * with the License. You may obtain a copy of the License at
13 *
14 * http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing,
17 * software distributed under the License is distributed on an
18 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
19 * KIND, either express or implied. See the License for the
20 * specific language governing permissions and limitations
21 * under the License.
22 *
23 */
24
25#include "./binary.hpp"
26#include "./scalar_base.hpp"
27#include "./uuid.hpp"
28
29#include <proton/type_compat.h>
30
31#include <string>
32
35
36namespace proton {
37
47class message_id : public scalar_base {
48 public:
50 message_id() = default;
51
53 template <class T> message_id(const T& x) { *this = x; }
54
59 message_id& operator=(uint64_t x) { put_(x); return *this; }
60 message_id& operator=(const uuid& x) { put_(x); return *this; }
61 message_id& operator=(const binary& x) { put_(x); return *this; }
62 message_id& operator=(const std::string& x) { put_(x); return *this; }
63 message_id& operator=(const char* x) { put_(x); return *this; }
65
66 private:
67 message_id(const pn_atom_t& a): scalar_base(a) {}
68
70 friend class message;
71 friend class codec::decoder;
73};
74
77template <class T> T get(const message_id& x);
79
81template<> inline uint64_t get<uint64_t>(const message_id& x) { return internal::get<uint64_t>(x); }
83template<> inline uuid get<uuid>(const message_id& x) { return internal::get<uuid>(x); }
85template<> inline binary get<binary>(const message_id& x) { return internal::get<binary>(x); }
87template<> inline std::string get<std::string>(const message_id& x) { return internal::get<std::string>(x); }
88
91template<class T> T coerce(const message_id& x) { return internal::coerce<T>(x); }
92
93} // proton
94
95#endif // PROTON_MESSAGE_ID_HPP
Arbitrary binary data.
Arbitrary binary data.
Definition: binary.hpp:40
An AMQP message ID.
Definition: message_id.hpp:47
message_id(const T &x)
Construct from any type that can be assigned.
Definition: message_id.hpp:53
T coerce(const message_id &x)
Coerce the contained value to type T.
Definition: message_id.hpp:91
message_id()=default
An empty message_id.
message_id & operator=(const char *x)
Treated as amqp::STRING.
Definition: message_id.hpp:63
The base class for scalar types.
Definition: scalar_base.hpp:60
A 16-byte universally unique identifier.
Definition: uuid.hpp:37
The main Proton namespace.
Definition: annotation_key.hpp:33
uuid get< uuid >(const message_id &x)
Get the uuid value or throw conversion_error.
Definition: message_id.hpp:83
T get(const scalar &s)
Get a contained value of type T.
Definition: scalar.hpp:60
binary get< binary >(const message_id &x)
Get the binary value or throw conversion_error.
Definition: message_id.hpp:85
std::string get< std::string >(const message_id &x)
Get the std::string value or throw conversion_error.
Definition: message_id.hpp:87
uint64_t get< uint64_t >(const annotation_key &x)
Get the uint64_t value or throw conversion_error.
Definition: annotation_key.hpp:72
The base class for scalar types.
A 16-byte universally unique identifier.