|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
#ifndef CondCore_CondDB_RunInfoProxy_h
#define CondCore_CondDB_RunInfoProxy_h
//
// Package: CondDB
// Class : RunInfoProxy
//
/**\class RunInfoProxy RunInfoProxy.h CondCore/CondDB/interface/RunInfoProxy.h
Description: service for read/only access to the Run information.
*/
//
// Author: Giacomo Govi
// Created: Dec 2016
//
#include "CondCore/CondDB/interface/Types.h"
//
namespace cond {
namespace persistency {
class SessionImpl;
class RunInfoProxyData;
// value semantics. to be used WITHIN the parent session transaction ( therefore the session should be kept alive ).
class RunInfoProxy {
public:
typedef std::vector<std::tuple<Time_t, boost::posix_time::ptime, boost::posix_time::ptime> > RunInfoData;
public:
// more or less compliant with typical iterator semantics...
class Iterator {
public:
// C++17 compliant iterator definition
using iterator_category = std::input_iterator_tag;
using value_type = cond::RunInfo_t;
using difference_type = void; // Not used
using pointer = void; // Not used
using reference = void; // Not used
//
Iterator();
explicit Iterator(RunInfoData::const_iterator current);
Iterator(const Iterator& rhs);
//
Iterator& operator=(const Iterator& rhs);
// returns a VALUE not a reference!
cond::RunInfo_t operator*();
//
Iterator& operator++();
Iterator operator++(int);
//
bool operator==(const Iterator& rhs) const;
bool operator!=(const Iterator& rhs) const;
private:
RunInfoData::const_iterator m_current;
};
public:
RunInfoProxy();
//
explicit RunInfoProxy(const std::shared_ptr<SessionImpl>& session);
//
RunInfoProxy(const RunInfoProxy& rhs);
//
RunInfoProxy& operator=(const RunInfoProxy& rhs);
// loads in memory the RunInfo data for the specified run range
void load(Time_t low, Time_t up);
// loads in memory the RunInfo data for the specified run range
void load(const boost::posix_time::ptime& low, const boost::posix_time::ptime& up);
// clear all the iov data in memory
void reset();
// start the iteration.
Iterator begin() const;
//
Iterator end() const;
//
Iterator find(Time_t target) const;
//
Iterator find(const boost::posix_time::ptime& target) const;
//
cond::RunInfo_t get(Time_t target) const;
//
cond::RunInfo_t get(const boost::posix_time::ptime& target) const;
//
int size() const;
private:
void checkTransaction(const std::string& ctx);
private:
std::shared_ptr<RunInfoProxyData> m_data;
std::shared_ptr<SessionImpl> m_session;
};
} // namespace persistency
} // namespace cond
#endif
|