IOLink  IOL_v1.6.1_release
DataStorage.h
1 #pragma once
2 
3 #include <memory>
4 #include <string>
5 
6 #include <iolink/IOLinkAPI.h>
7 #include <iolink/storage/RandomAccess.h>
8 #include <iolink/storage/StreamAccess.h>
9 
10 namespace iolink
11 {
12 
16 enum class AccessCapabilities
17 {
18  READ_ONLY = 0x1, // 0001
19  WRITE_ONLY = 0x2, // 0010
20  READ_WRITE = 0x3, // 0011
21 };
22 
26 class IOLINK_INTERFACE_API DataStorage
27 {
28 public:
42  virtual std::shared_ptr<StreamAccess> openStreamAccess(const std::string& resourceId,
43  AccessCapabilities capabilities) = 0;
44 
58  virtual std::shared_ptr<RandomAccess> openRandomAccess(const std::string& resourceId,
59  AccessCapabilities capabilities) = 0;
60 
68  virtual const std::string& source() const = 0;
69 };
70 
71 } // namespace iolink