-
Notifications
You must be signed in to change notification settings - Fork 18.7k
/
db.hpp
54 lines (41 loc) · 1.04 KB
/
db.hpp
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
#ifndef CAFFE_UTIL_DB_HPP
#define CAFFE_UTIL_DB_HPP
#include <string>
#include "caffe/common.hpp"
#include "caffe/proto/caffe.pb.h"
namespace caffe { namespace db {
enum Mode { READ, WRITE, NEW };
class Cursor {
public:
Cursor() { }
virtual ~Cursor() { }
virtual void SeekToFirst() = 0;
virtual void Next() = 0;
virtual string key() = 0;
virtual string value() = 0;
virtual bool valid() = 0;
DISABLE_COPY_AND_ASSIGN(Cursor);
};
class Transaction {
public:
Transaction() { }
virtual ~Transaction() { }
virtual void Put(const string& key, const string& value) = 0;
virtual void Commit() = 0;
DISABLE_COPY_AND_ASSIGN(Transaction);
};
class DB {
public:
DB() { }
virtual ~DB() { }
virtual void Open(const string& source, Mode mode) = 0;
virtual void Close() = 0;
virtual Cursor* NewCursor() = 0;
virtual Transaction* NewTransaction() = 0;
DISABLE_COPY_AND_ASSIGN(DB);
};
DB* GetDB(DataParameter::DB backend);
DB* GetDB(const string& backend);
} // namespace db
} // namespace caffe
#endif // CAFFE_UTIL_DB_HPP