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construct/include/ircd/db/database/mergeop.h

30 lines
1.1 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_MERGEOP_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.
struct ircd::db::database::mergeop final
:std::enable_shared_from_this<struct ircd::db::database::mergeop>
,rocksdb::AssociativeMergeOperator
{
database *d;
merge_closure merger;
bool Merge(const rocksdb::Slice &, const rocksdb::Slice *, const rocksdb::Slice &, std::string *, rocksdb::Logger *) const noexcept override;
const char *Name() const noexcept override;
mergeop(database *const &d, merge_closure merger = nullptr);
~mergeop() noexcept;
};