1 /*
2  * Copyright (c) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 #ifndef ZLIB_COMPRESSION_H
16 #define ZLIB_COMPRESSION_H
17 #ifndef OMIT_ZLIB
18 #include <vector>
19 #include "data_compression.h"
20 
21 namespace DistributedDB {
22 class ZlibCompression final : public DataCompression {
23 public:
24     ZlibCompression();
25     ~ZlibCompression() = default;
26 
27     int Compress(const std::vector<uint8_t> &srcData, std::vector<uint8_t> &destData) const override;
28     int Uncompress(const std::vector<uint8_t> &srcData, std::vector<uint8_t> &destData, uint32_t destLen) const
29         override;
30 
31 protected:
32     ZlibCompression(const ZlibCompression& compression) = delete;
33     ZlibCompression& operator= (const ZlibCompression& compression) = delete;
34 };
35 }  // namespace DistributedDB
36 #endif // OMIT_ZLIB
37 #endif // ZLIB_COMPRESSION_H