OnixS ICE iMpact Multicast Price Feed Handler C++ library  8.11.0
API documentation
HandlerStateChange.h
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19 
20 #pragma once
21 
22 #include "Export.h"
23 #include "HandlerState.h"
24 #include "Types.h"
25 
26 #include <string>
27 
28 namespace OnixS { namespace ICE { namespace iMpact { namespace MarketData {
29 
30 /// \brief Defines the interface through which the Handler
31 /// notifies subscribers about Handler state change events.
32 class ONIXS_ICEMDH_EXPORT HandlerStateChange
33 {
34 public:
35  /// Initialize instance.
36  HandlerStateChange(HandlerState newState, HandlerState oldState);
37 
38  /// New State.
39  HandlerState newState() const;
40 
41  /// Old state.
42  HandlerState oldState() const;
43 
44  /// String representation.
45  std::string toString() const;
46 
47  /// Appends string representation.
48  void toString(std::string&) const;
49 
50 private:
51  HandlerState newState_;
52  HandlerState oldState_;
53 
55 
56  HandlerStateChange& operator=(const HandlerStateChange&);
57 };
58 
60 {
61  return newState_;
62 }
63 
65 {
66  return oldState_;
67 }
68 
69 inline std::string HandlerStateChange::toString() const
70 {
71  std::string str;
72 
73  toString(str);
74 
75  return str;
76 }
77 
78 /// Make it printable to formatted C++ I/O streams.
79 ONIXS_ICEMDH_EXPORT std::ostream& operator<<(std::ostream&, const HandlerStateChange&);
80 
81 }}}} // namespace MarketData, iMpact, ICE, OnixS
std::ostream & operator<<(std::ostream &, const Error &)
Make it printable to formatted C++ I/O streams.
Defines the interface through which the Handler notifies subscribers about Handler state change event...
std::string toString() const
String representation.
Enum
Available Handler&#39;s states.
Definition: HandlerState.h:30