/src/rocksdb/db/post_memtable_callback.h
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1 | | // Copyright (c) Meta Platforms, Inc. and affiliates. All rights reserved. |
2 | | // This source code is licensed under both the GPLv2 (found in the |
3 | | // COPYING file in the root directory) and Apache 2.0 License |
4 | | // (found in the LICENSE.Apache file in the root directory). |
5 | | |
6 | | #pragma once |
7 | | |
8 | | #include "rocksdb/status.h" |
9 | | #include "rocksdb/types.h" |
10 | | |
11 | | namespace ROCKSDB_NAMESPACE { |
12 | | |
13 | | // Callback invoked after finishing writing to the memtable but before |
14 | | // publishing the sequence number to readers. |
15 | | // Note that with write-prepared/write-unprepared transactions with |
16 | | // two-write-queues, PreReleaseCallback is called before publishing the |
17 | | // sequence numbers to readers. |
18 | | class PostMemTableCallback { |
19 | | public: |
20 | 0 | virtual ~PostMemTableCallback() {} |
21 | | |
22 | | virtual Status operator()(SequenceNumber seq, bool disable_memtable) = 0; |
23 | | }; |
24 | | |
25 | | } // namespace ROCKSDB_NAMESPACE |