blob: b46deb01855487f906a815671767d4325df02b5f (
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
|
// model.h
/**
* 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 "dbclient.h"
namespace mongo {
/** Model is a base class for defining objects which are serializable to the Mongo
database via the database driver.
*Definition*
Your serializable class should inherit from Model and implement the abstract methods
below.
*Loading*
To load, first construct an (empty) object. Then call load(). Do not load an object
more than once.
*/
class Model {
public:
Model() { }
virtual ~Model() { }
virtual const char * getNS() = 0;
virtual void serialize(BSONObjBuilder& to) = 0;
virtual void unserialize(BSONObj& from) = 0;
/** Define this as you see fit if you are using the default conn() implementation. */
static string defaultServer;
/** Override this if you need to do fancier connection management than simply using globalConn. */
virtual string modelServer(){
uassert( "defaultServer not set" , defaultServer.size() );
return defaultServer;
}
/** Load a single object.
@return true if successful.
*/
bool load(BSONObj& query);
};
} // namespace mongo
|