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https://github.com/matrix-construct/construct
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49 lines
1.8 KiB
C
49 lines
1.8 KiB
C
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// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_DB_DATABASE_TXN_H
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// This file is not part of the standard include stack because it requires
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// RocksDB symbols which we cannot forward declare. It is used internally
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// and does not need to be included by general users of IRCd.
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struct ircd::db::txn::handler
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:rocksdb::WriteBatch::Handler
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{
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using Status = rocksdb::Status;
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using Slice = rocksdb::Slice;
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const database &d;
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const std::function<bool (const delta &)> &cb;
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bool _continue {true};
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Status callback(const delta &) noexcept;
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Status callback(const uint32_t &, const op &, const Slice &a, const Slice &b) noexcept;
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bool Continue() noexcept override;
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Status MarkRollback(const Slice &xid) noexcept override;
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Status MarkCommit(const Slice &xid) noexcept override;
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Status MarkEndPrepare(const Slice &xid) noexcept override;
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Status MarkBeginPrepare() noexcept override;
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Status MergeCF(const uint32_t cfid, const Slice &, const Slice &) noexcept override;
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Status SingleDeleteCF(const uint32_t cfid, const Slice &) noexcept override;
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Status DeleteRangeCF(const uint32_t cfid, const Slice &, const Slice &) noexcept override;
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Status DeleteCF(const uint32_t cfid, const Slice &) noexcept override;
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Status PutCF(const uint32_t cfid, const Slice &, const Slice &) noexcept override;
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handler(const database &d,
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const std::function<bool (const delta &)> &cb)
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:d{d}
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,cb{cb}
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{}
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};
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