mirror of
https://github.com/matrix-construct/construct
synced 2024-12-11 08:02:59 +01:00
64 lines
2.2 KiB
C++
64 lines
2.2 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_DB_DATABASE_COLUMN_H
|
|
|
|
// This file is not part of the standard include stack because it requires
|
|
// RocksDB symbols which we cannot forward declare. It is used internally
|
|
// and does not need to be included by general users of IRCd.
|
|
|
|
/// Internal column interface panel. This is db::database::column, not
|
|
/// db::column. The latter is a public shared-pointer front-end which
|
|
/// points to an internally managed database::column.
|
|
namespace ircd::db
|
|
{
|
|
const descriptor &describe(const database::column &);
|
|
const std::string &name(const database::column &);
|
|
uint32_t id(const database::column &);
|
|
|
|
bool dropped(const database::column &);
|
|
void drop(database::column &); // Request to erase column from db
|
|
|
|
std::shared_ptr<const database::column> shared_from(const database::column &);
|
|
std::shared_ptr<database::column> shared_from(database::column &);
|
|
}
|
|
|
|
struct ircd::db::database::column final
|
|
:std::enable_shared_from_this<database::column>
|
|
,rocksdb::ColumnFamilyDescriptor
|
|
{
|
|
database *d;
|
|
db::descriptor *descriptor;
|
|
std::type_index key_type;
|
|
std::type_index mapped_type;
|
|
comparator cmp;
|
|
prefix_transform prefix;
|
|
compaction_filter cfilter;
|
|
std::shared_ptr<struct database::stats> stats;
|
|
rocksdb::BlockBasedTableOptions table_opts;
|
|
custom_ptr<rocksdb::ColumnFamilyHandle> handle;
|
|
|
|
public:
|
|
operator const rocksdb::ColumnFamilyOptions &() const;
|
|
operator const rocksdb::ColumnFamilyHandle *() const;
|
|
operator const database &() const;
|
|
|
|
operator rocksdb::ColumnFamilyHandle *();
|
|
operator database &();
|
|
|
|
explicit column(database &d, db::descriptor &);
|
|
column() = delete;
|
|
column(column &&) = delete;
|
|
column(const column &) = delete;
|
|
column &operator=(column &&) = delete;
|
|
column &operator=(const column &) = delete;
|
|
~column() noexcept;
|
|
};
|