blob: 4046243fe0e3c9bb7fdc81dc1d15173daebbe1dc (
plain)
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
|
// introspect.h
// system management stuff.
/**
* Copyright (C) 2008 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "../stdafx.h"
#include "jsobj.h"
#include "pdfile.h"
namespace mongo {
auto_ptr<Cursor> getSpecialCursor(const char *ns);
class SingleResultObjCursor : public Cursor {
int i;
protected:
BSONObjBuilder b;
void reg(const char *as); /* register as a certain namespace */
public:
SingleResultObjCursor() {
i = 0;
}
virtual bool ok() {
return i == 0;
}
virtual Record* _current() {
assert(false);
return 0;
}
virtual DiskLoc currLoc() {
assert(false);
return DiskLoc();
}
virtual void fill() = 0;
virtual BSONObj current() {
assert(i == 0);
fill();
return b.done();
}
virtual bool advance() {
i++;
return false;
}
virtual string toString() {
return "SingleResultObjCursor";
}
};
/* --- profiling --------------------------------------------
do when database->profile is set
*/
void profile(const char *str,
int millis);
} // namespace mongo
|
