| 1 | #pragma once |
|---|---|
| 2 | |
| 3 | #include <Compression/ICompressionCodec.h> |
| 4 | |
| 5 | namespace DB |
| 6 | { |
| 7 | |
| 8 | class CompressionCodecMultiple final : public ICompressionCodec |
| 9 | { |
| 10 | public: |
| 11 | CompressionCodecMultiple() = default; |
| 12 | explicit CompressionCodecMultiple(Codecs codecs_); |
| 13 | |
| 14 | UInt8 getMethodByte() const override; |
| 15 | |
| 16 | String getCodecDesc() const override; |
| 17 | |
| 18 | UInt32 getMaxCompressedDataSize(UInt32 uncompressed_size) const override; |
| 19 | |
| 20 | void useInfoAboutType(DataTypePtr data_type) override; |
| 21 | |
| 22 | protected: |
| 23 | UInt32 doCompressData(const char * source, UInt32 source_size, char * dest) const override; |
| 24 | |
| 25 | void doDecompressData(const char * source, UInt32 source_size, char * dest, UInt32 uncompressed_size) const override; |
| 26 | |
| 27 | private: |
| 28 | Codecs codecs; |
| 29 | |
| 30 | }; |
| 31 | |
| 32 | |
| 33 | class CompressionCodecFactory; |
| 34 | void registerCodecMultiple(CompressionCodecFactory & factory); |
| 35 | |
| 36 | } |
| 37 |