1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
10 virtual uint64_t next_seq() = 0;
11 virtual void start_write(uint64_t seq, uint64_t size) = 0;
12 virtual void start_read(uint64_t seq, uint64_t size) = 0;
13 virtual void write_applied(uint64_t seq) = 0;
14 virtual void write_committed(uint64_t seq) = 0;
15 virtual void read_complete(uint64_t seq) = 0;
16 virtual ~StatCollector() {}