mirror of
https://github.com/matrix-construct/construct
synced 2024-11-25 16:22:35 +01:00
52 lines
2.1 KiB
C++
52 lines
2.1 KiB
C++
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2019 Jason Volk <jason@zemos.net>
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice is present in all copies. The
|
|
// full license for this software is available in the LICENSE file.
|
|
|
|
#pragma once
|
|
#define HAVE_IRCD_M_ROOM_STATE_SPACE_H
|
|
|
|
/// Interface to all room states. This is a super-dimension of m::room::state.
|
|
/// This contains all state events without overwriting them; we refer to this
|
|
/// as the state-space. We use this interface as a tool to reconstruct the
|
|
/// state of the room at the point of an event in the past; or efficiently
|
|
/// rebuild the present state table after inconsistencies, etc.
|
|
///
|
|
struct ircd::m::room::state::space
|
|
{
|
|
struct rebuild;
|
|
using closure = std::function<bool (const string_view &, const string_view &, const int64_t &, const event::idx &)>;
|
|
|
|
m::room room;
|
|
|
|
public:
|
|
bool for_each(const string_view &type, const string_view &state_key, const int64_t &depth, const closure &) const;
|
|
bool for_each(const string_view &type, const string_view &state_key, const closure &) const;
|
|
bool for_each(const string_view &type, const closure &) const;
|
|
bool for_each(const closure &) const;
|
|
|
|
size_t count(const string_view &type, const string_view &state_key, const int64_t &depth) const;
|
|
size_t count(const string_view &type, const string_view &state_key) const;
|
|
size_t count(const string_view &type) const;
|
|
size_t count() const;
|
|
|
|
bool has(const string_view &type, const string_view &state_key, const int64_t &depth) const;
|
|
bool has(const string_view &type, const string_view &state_key) const;
|
|
bool has(const string_view &type) const;
|
|
|
|
bool prefetch(const string_view &type, const string_view &state_key, const int64_t &depth) const;
|
|
bool prefetch(const string_view &type, const string_view &state_key) const;
|
|
bool prefetch(const string_view &type) const;
|
|
|
|
space(const m::room &);
|
|
};
|
|
|
|
struct ircd::m::room::state::space::rebuild
|
|
{
|
|
rebuild(const room::id &);
|
|
};
|