/src/rocksdb/db/write_callback.h
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1 | | // Copyright (c) 2011-present, Facebook, Inc. 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 | | |
10 | | namespace ROCKSDB_NAMESPACE { |
11 | | |
12 | | class DB; |
13 | | |
14 | | class WriteCallback { |
15 | | public: |
16 | 0 | virtual ~WriteCallback() {} |
17 | | |
18 | | // Will be called while on the write thread before the write executes. If |
19 | | // this function returns a non-OK status, the write will be aborted and this |
20 | | // status will be returned to the caller of DB::Write(). |
21 | | virtual Status Callback(DB* db) = 0; |
22 | | |
23 | | // return true if writes with this callback can be batched with other writes |
24 | | virtual bool AllowWriteBatching() = 0; |
25 | | }; |
26 | | |
27 | | } // namespace ROCKSDB_NAMESPACE |