timespan.h
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1 /*
2  * Copyright (C) 2016 Tommi Maekitalo
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * As a special exception, you may use this file as part of a free
10  * software library without restriction. Specifically, if other files
11  * instantiate templates or use macros or inline functions from this
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13  * produce an executable, this file does not by itself cause the
14  * resulting executable to be covered by the GNU General Public
15  * License. This exception does not however invalidate any other
16  * reasons why the executable file might be covered by the GNU Library
17  * General Public License.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
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27  */
28 
29 #ifndef TNTDB_CXXTOOLS_TIMESPAN_H
30 #define TNTDB_CXXTOOLS_TIMESPAN_H
31 
32 #include <tntdb/statement.h>
33 #include <tntdb/value.h>
34 #include <cxxtools/timespan.h>
35 
36 namespace tntdb
37 {
49  template <int64_t Resolution>
50  void operator<< (Hostvar& hostvar, const cxxtools::WeakTimespan<Resolution>& ts)
51  {
52  hostvar.set(double(ts));
53  }
54 
75  template <int64_t Resolution>
77  {
78  double ts;
79  if (!value.get(ts))
80  return false;
81 
83  return true;
84  }
85 
86 }
87 
88 #endif // TNTDB_CXXTOOLS_TIMESPAN_H