blob: e577a8a307d29982d351ddaa05e2317f85fc876c (
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
|
// collection.h
/**
* Copyright (C) 2012 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 <string>
#include "mongo/base/string_data.h"
#include "mongo/db/diskloc.h"
#include "mongo/db/exec/collection_scan_common.h"
namespace mongo {
class Database;
class ExtentManager;
class NamespaceDetails;
class CollectionIterator;
class FlatIterator;
class CappedIterator;
/**
* this is NOT safe through a yield right now
* not sure if it will be, or what yet
*/
class CollectionTemp {
public:
CollectionTemp( const StringData& fullNS,
NamespaceDetails* details,
Database* database );
StringData ns() const { return _ns; }
CollectionIterator* getIterator( const DiskLoc& start, bool tailable,
const CollectionScanParams::Direction& dir) const;
private:
ExtentManager* getExtentManager();
const ExtentManager* getExtentManager() const;
std::string _ns; // TODO: this copy might be annoyingly slow
NamespaceDetails* _details;
Database* _database;
friend class FlatIterator;
friend class CappedIterator;
};
}
|
