Drizzled Public API Documentation

exception.h
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31 
32 #pragma once
33 
34 #include <drizzled/error_t.h>
35 
36 #include <queue>
37 #include <stdexcept>
38 
39 namespace drizzled {
40 namespace sql {
41 
42 class Exception : public std::runtime_error
43 {
44 public:
45  Exception(std::string reason, std::string sql_state, drizzled::error_t error_arg) :
46  std::runtime_error(reason),
47  _error_code(error_arg),
48  _sql_state(sql_state),
49  _reason(reason)
50  {
51  if (_sql_state.length() != 5)
52  _sql_state= "HY000";
53  }
54 
55  Exception() :
56  std::runtime_error("no error"),
57  _error_code(drizzled::EE_OK),
58  _sql_state("00000")
59  {
60  }
61 
62  Exception(std::string reason, drizzled::error_t error_arg) :
63  std::runtime_error(reason),
64  _error_code(error_arg),
65  _reason(reason)
66  {
67  _sql_state= "00000";
68  }
69 
70  ~Exception () throw ()
71  { }
72 
73  drizzled::error_t getErrorCode() const
74  {
75  return _error_code;
76  }
77 
78  const std::string &getErrorMessage() const
79  {
80  return _reason;
81  }
82 
83  Exception getNextException() const
84  {
85  if (_next_exception.empty())
86  {
87  return Exception();
88  }
89 
90  Exception tmp= _next_exception.front();
91  _next_exception.pop();
92 
93  return tmp;
94  }
95 
96  const std::string &getSQLState() const
97  {
98  return _sql_state;
99  }
100 
101 protected:
102  friend class ResultSet;
103  void setNextException(Exception arg)
104  {
105  (void)arg;
106  return;
107  }
108 
109 private:
110  drizzled::error_t _error_code; // Vendor, ie our, code
111  std::string _sql_state;
112  std::string _reason;
113  mutable std::queue <Exception> _next_exception;
114 };
115 
116 std::ostream& operator<<(std::ostream& output, const Exception &arg);
117 
118 } // namespace sql
119 } // namespace drizzled
120 
TODO: Rename this file - func.h is stupid.