Qpid Proton C++ API  0.18.1
message_id.hpp
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1 #ifndef PROTON_MESSAGE_ID_HPP
2 #define PROTON_MESSAGE_ID_HPP
3 
4 /*
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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 
36 namespace proton {
37 
47 class message_id : public scalar_base {
48  public:
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; }
64 
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 
77 template <class T> T get(const message_id& x);
79 
81 template<> inline uint64_t get<uint64_t>(const message_id& x) { return internal::get<uint64_t>(x); }
83 template<> inline uuid get<uuid>(const message_id& x) { return internal::get<uuid>(x); }
85 template<> inline binary get<binary>(const message_id& x) { return internal::get<binary>(x); }
87 template<> inline std::string get<std::string>(const message_id& x) { return internal::get<std::string>(x); }
88 
91 template<class T> T coerce(const message_id& x) { return internal::coerce<T>(x); }
92 
93 } // proton
94 
95 #endif // PROTON_MESSAGE_ID_HPP
An AMQP message.
Definition: message.hpp:50
T coerce(const message_id &x)
Coerce the contained value to type T.
Definition: message_id.hpp:91
A 16-byte universally unique identifier.
Definition: uuid.hpp:37
The base class for scalar types.
Definition: scalar_base.hpp:60
message_id(const T &x)
Construct from any type that can be assigned.
Definition: message_id.hpp:53
Arbitrary binary data.
Definition: binary.hpp:40
The base class for scalar types.
uint64_t get< uint64_t >(const message_id &x)
Get the uint64_t value or throw conversion_error.
Definition: message_id.hpp:81
uuid get< uuid >(const message_id &x)
Get the uuid value or throw conversion_error.
Definition: message_id.hpp:83
Arbitrary binary data.
A 16-byte universally unique identifier.
message_id & operator=(const char *x)
Treated as amqp::STRING.
Definition: message_id.hpp:63
The main Proton namespace.
Definition: annotation_key.hpp:33
binary get< binary >(const message_id &x)
Get the binary value or throw conversion_error.
Definition: message_id.hpp:85
Unsettled API - A stream-like decoder from AMQP bytes to C++ values.
Definition: decoder.hpp:56
An AMQP message ID.
Definition: message_id.hpp:47
uint64_t get< uint64_t >(const annotation_key &x)
Get the uint64_t value or throw conversion_error.
Definition: annotation_key.hpp:72
message_id()
An empty message_id.
Definition: message_id.hpp:50