80 lines
3.0 KiB
C++
80 lines
3.0 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#ifndef OB_COMPRESSOR_POOL_H_
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#define OB_COMPRESSOR_POOL_H_
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#include "lib/compress/ob_compressor.h"
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#include "lib/compress/ob_compress_util.h"
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#include "lib/compress/ob_stream_compressor.h"
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#include "none/ob_none_compressor.h"
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#include "lz4/ob_lz4_compressor.h"
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#include "snappy/ob_snappy_compressor.h"
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#include "zlib/ob_zlib_compressor.h"
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#include "lz4/ob_lz4_stream_compressor.h"
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#include "zstd/ob_zstd_compressor.h"
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#include "zstd/ob_zstd_stream_compressor.h"
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#include "zstd_1_3_8/ob_zstd_compressor_1_3_8.h"
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#include "zstd_1_3_8/ob_zstd_stream_compressor_1_3_8.h"
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namespace oceanbase {
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namespace common {
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class ObCompressorPool {
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public:
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static ObCompressorPool& get_instance();
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int get_compressor(const char* compressor_name, ObCompressor*& compressor);
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int get_compressor(const ObCompressorType& compressor_type, ObCompressor*& compressor);
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int get_compressor_type(const char* compressor_name, ObCompressorType& compressor_type) const;
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int get_stream_compressor(const char* compressor_name, ObStreamCompressor*& stream_compressor);
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int get_stream_compressor(const ObCompressorType& compressor_type, ObStreamCompressor*& stream_compressor);
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static bool need_common_compress(const ObCompressorType& compressor_type)
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{
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return (need_compress(compressor_type) && (!need_stream_compress(compressor_type)));
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}
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static bool need_stream_compress(const ObCompressorType& compressor_type)
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{
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return (STREAM_LZ4_COMPRESSOR == compressor_type || STREAM_ZSTD_COMPRESSOR == compressor_type ||
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STREAM_ZSTD_1_3_8_COMPRESSOR == compressor_type);
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}
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static bool need_compress(const ObCompressorType& compressor_type)
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{
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return ((INVALID_COMPRESSOR != compressor_type) && (NONE_COMPRESSOR != compressor_type));
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}
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int get_max_overflow_size(const int64_t src_data_size, int64_t& max_overflow_size);
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private:
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ObCompressorPool();
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virtual ~ObCompressorPool()
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{}
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ObNoneCompressor none_compressor;
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ObLZ4Compressor lz4_compressor;
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ObLZ4Compressor191 lz4_compressor_1_9_1;
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ObSnappyCompressor snappy_compressor;
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ObZlibCompressor zlib_compressor;
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zstd::ObZstdCompressor zstd_compressor;
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zstd_1_3_8::ObZstdCompressor_1_3_8 zstd_compressor_1_3_8;
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// stream compressor
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ObLZ4StreamCompressor lz4_stream_compressor;
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zstd::ObZstdStreamCompressor zstd_stream_compressor;
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zstd_1_3_8::ObZstdStreamCompressor_1_3_8 zstd_stream_compressor_1_3_8;
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};
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} /* namespace common */
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} /* namespace oceanbase */
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#endif /* OB_COMPRESSOR_POOL_H_ */
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