/Users/deen/code/yugabyte-db/src/yb/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 the BSD-style license found in the |
3 | | // LICENSE file in the root directory of this source tree. An additional grant |
4 | | // of patent rights can be found in the PATENTS file in the same directory. |
5 | | // |
6 | | // The following only applies to changes made to this file as part of YugaByte development. |
7 | | // |
8 | | // Portions Copyright (c) YugaByte, Inc. |
9 | | // |
10 | | // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
11 | | // in compliance with the License. You may obtain a copy of the License at |
12 | | // |
13 | | // http://www.apache.org/licenses/LICENSE-2.0 |
14 | | // |
15 | | // Unless required by applicable law or agreed to in writing, software distributed under the License |
16 | | // is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
17 | | // or implied. See the License for the specific language governing permissions and limitations |
18 | | // under the License. |
19 | | // |
20 | | |
21 | | #pragma once |
22 | | |
23 | | #include "yb/rocksdb/status.h" |
24 | | |
25 | | namespace rocksdb { |
26 | | |
27 | | class DB; |
28 | | |
29 | | class WriteCallback { |
30 | | public: |
31 | 168 | virtual ~WriteCallback() {} |
32 | | |
33 | | // Will be called while on the write thread before the write executes. If |
34 | | // this function returns a non-OK status, the write will be aborted and this |
35 | | // status will be returned to the caller of DB::Write(). |
36 | | virtual Status Callback(DB* db) = 0; |
37 | | |
38 | | // return true if writes with this callback can be batched with other writes |
39 | | virtual bool AllowWriteBatching() = 0; |
40 | | }; |
41 | | |
42 | | } // namespace rocksdb |