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construct/include/ircd/m/event/fetch.h
2018-12-26 19:01:13 -08:00

77 lines
2.9 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 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_EVENT_FETCH_H
struct ircd::m::event::fetch
:event
{
struct opts;
using keys = event::keys;
static const opts default_opts;
std::array<db::cell, event::size()> cell;
db::row row;
bool valid;
public:
fetch(const idx &, std::nothrow_t, const opts *const & = nullptr);
fetch(const idx &, const opts *const & = nullptr);
fetch(const id &, std::nothrow_t, const opts *const & = nullptr);
fetch(const id &, const opts *const & = nullptr);
fetch(const opts *const & = nullptr);
static bool event_id(const idx &, std::nothrow_t, const id::closure &);
static void event_id(const idx &, const id::closure &);
friend bool index(const id &, std::nothrow_t, const closure_idx &);
friend idx index(const id &, std::nothrow_t);
friend idx index(const id &);
friend idx index(const event &, std::nothrow_t);
friend idx index(const event &);
friend bool seek(fetch &, const idx &, std::nothrow_t);
friend void seek(fetch &, const idx &);
friend bool seek(fetch &, const id &, std::nothrow_t);
friend void seek(fetch &, const id &);
using view_closure = std::function<void (const string_view &)>;
friend bool get(std::nothrow_t, const idx &, const string_view &key, const view_closure &);
friend bool get(std::nothrow_t, const id &, const string_view &key, const view_closure &);
friend void get(const idx &, const string_view &key, const view_closure &);
friend void get(const id &, const string_view &key, const view_closure &);
friend const_buffer get(std::nothrow_t, const idx &, const string_view &key, const mutable_buffer &out);
friend const_buffer get(std::nothrow_t, const id &, const string_view &key, const mutable_buffer &out);
friend const_buffer get(const idx &, const string_view &key, const mutable_buffer &out);
friend const_buffer get(const id &, const string_view &key, const mutable_buffer &out);
friend bool cached(const idx &, const opts & = default_opts);
friend bool cached(const id &, const opts &);
friend bool cached(const id &);
friend void prefetch(const idx &, const string_view &key);
friend void prefetch(const idx &, const opts & = default_opts);
friend void prefetch(const id &, const string_view &key);
friend void prefetch(const id &, const opts & = default_opts);
};
struct ircd::m::event::fetch::opts
{
event::keys keys;
db::gopts gopts;
opts(const event::keys &, const db::gopts & = {});
opts(const event::keys::selection &, const db::gopts & = {});
opts(const db::gopts &, const event::keys::selection & = {});
opts() = default;
};