paul@9 | 1 | #pragma once |
paul@9 | 2 | |
paul@9 | 3 | #include <map> |
paul@9 | 4 | #include <mutex> |
paul@9 | 5 | |
paul@9 | 6 | #include "accessor.h" |
paul@9 | 7 | |
paul@9 | 8 | |
paul@9 | 9 | |
paul@9 | 10 | /* Mapping type from file identifiers to accessors. */ |
paul@9 | 11 | |
paul@9 | 12 | typedef std::map<fileid_t, Accessor *> FileMapping; |
paul@9 | 13 | typedef std::pair<fileid_t, Accessor *> FileMappingEntry; |
paul@9 | 14 | |
paul@9 | 15 | |
paul@9 | 16 | |
paul@9 | 17 | /* A registry of accessors for files. */ |
paul@9 | 18 | |
paul@9 | 19 | class Accessing |
paul@9 | 20 | { |
paul@9 | 21 | protected: |
paul@9 | 22 | FileMapping _accessors; |
paul@9 | 23 | std::mutex _lock; |
paul@9 | 24 | |
paul@9 | 25 | public: |
paul@9 | 26 | bool reserve(fileid_t fileid); |
paul@9 | 27 | |
paul@9 | 28 | Accessor *get(fileid_t fileid); |
paul@9 | 29 | |
paul@9 | 30 | void set(fileid_t fileid, Accessor *accessor); |
paul@9 | 31 | }; |
paul@9 | 32 | |
paul@9 | 33 | // vim: tabstop=4 expandtab shiftwidth=4 |