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 | #include "page_mapper.h" |
paul@9 | 8 | |
paul@9 | 9 | |
paul@9 | 10 | |
paul@9 | 11 | /* Mapping type from accessors to page mappers. */ |
paul@9 | 12 | |
paul@9 | 13 | typedef std::map<Accessor *, PageMapper *> AccessorMapping; |
paul@9 | 14 | typedef std::pair<Accessor *, PageMapper *> AccessorMappingEntry; |
paul@9 | 15 | |
paul@9 | 16 | |
paul@9 | 17 | |
paul@9 | 18 | /* A registry of mappers for accessors. */ |
paul@9 | 19 | |
paul@9 | 20 | class Paging |
paul@9 | 21 | { |
paul@9 | 22 | protected: |
paul@9 | 23 | AccessorMapping _mappers; |
paul@9 | 24 | std::mutex _lock; |
paul@9 | 25 | |
paul@9 | 26 | public: |
paul@9 | 27 | bool reserve(Accessor *accessor); |
paul@9 | 28 | |
paul@9 | 29 | PageMapper *get(Accessor *accessor); |
paul@9 | 30 | |
paul@9 | 31 | void set(Accessor *accessor, PageMapper *mapper); |
paul@9 | 32 | }; |
paul@9 | 33 | |
paul@9 | 34 | // vim: tabstop=4 expandtab shiftwidth=4 |