48 #ifndef __COMPRESSION_H__ 49 #define __COMPRESSION_H__ 51 #include "services/base.h" 52 #include "data_management/data/data_block.h" 53 #include "services/daal_defines.h" 54 #include "services/error_handling.h" 58 namespace data_management
81 lastCompressionLevel = level9
88 enum CompressionMethod
111 struct DAAL_EXPORT CompressionParameter
113 CompressionLevel level;
119 CompressionParameter( CompressionLevel clevel = defaultLevel ) : level(clevel) {}
128 class DAAL_EXPORT CompressionIface
137 virtual void setInputDataBlock( byte *inBlock,
size_t size,
size_t offset ) = 0;
142 virtual void setInputDataBlock( DataBlock &inBlock ) = 0;
147 virtual bool isOutputDataBlockFull() = 0;
152 virtual size_t getUsedOutputDataBlockSize() = 0;
159 virtual void run( byte *outBlock,
size_t size,
size_t offset ) = 0;
164 virtual void run( DataBlock &outBlock ) = 0;
166 virtual ~CompressionIface() {}
178 class DAAL_EXPORT Compression :
public CompressionIface
184 Compression(): _errors(new services::ErrorCollection())
186 this->_errors->setCanThrow(
false);
187 _isOutBlockFull =
false;
188 _usedOutBlockSize = 0;
190 virtual void setInputDataBlock( byte *inBlock,
size_t size,
size_t offset ) = 0;
191 virtual void setInputDataBlock( DataBlock &inBlock ) = 0;
192 bool isOutputDataBlockFull() {
return _isOutBlockFull; }
193 size_t getUsedOutputDataBlockSize() {
return _usedOutBlockSize; }
194 virtual void run( byte *outBlock,
size_t size,
size_t offset ) = 0;
195 virtual void run( DataBlock &outBlock ) = 0;
196 virtual ~Compression() {}
202 virtual void checkInputParams( byte *inBlock,
size_t size )
204 if ( inBlock == NULL )
206 this->_errors->add(services::ErrorCompressionNullInputStream);
210 this->_errors->add(services::ErrorCompressionEmptyInputStream);
218 virtual void checkOutputParams( byte *outBlock,
size_t size )
220 if ( outBlock == NULL )
222 this->_errors->add(services::ErrorCompressionNullOutputStream);
226 this->_errors->add(services::ErrorCompressionEmptyOutputStream);
230 services::SharedPtr<services::ErrorCollection> getErrors()
236 bool _isOutBlockFull;
237 size_t _usedOutBlockSize;
239 services::SharedPtr<services::ErrorCollection> _errors;
251 class DAAL_EXPORT CompressorImpl :
public Compression
257 CompressorImpl() : Compression()
259 _isInitialized =
false;
261 virtual ~CompressorImpl() {}
264 virtual void initialize() { _isInitialized =
true; }
277 class DAAL_EXPORT DecompressorImpl :
public Compression
283 DecompressorImpl() : Compression()
285 _isInitialized =
false;
287 virtual ~DecompressorImpl() {}
290 virtual void initialize() { _isInitialized =
true; }
306 template<CompressionMethod dcmethod>
307 class DAAL_EXPORT Compressor :
public CompressorImpl
313 Compressor() : CompressorImpl() {}
314 virtual ~Compressor() {}
328 template<CompressionMethod dcmethod>
329 class DAAL_EXPORT Decompressor :
public DecompressorImpl
335 Decompressor() : DecompressorImpl() {}
336 virtual ~Decompressor() {}
339 using interface1::CompressionParameter;
340 using interface1::CompressionIface;
341 using interface1::Compression;
342 using interface1::CompressorImpl;
343 using interface1::DecompressorImpl;
344 using interface1::Compressor;
345 using interface1::Decompressor;
350 #endif // __COMPRESSION_H daal::data_management::level8
Definition: compression.h:79
daal::data_management::interface1::Compressor
Compressor class compresses an input data block and writes results into an output data block...
Definition: compression.h:307
daal
Definition: algorithm_base_common.h:57
daal::data_management::interface1::CompressorImpl::CompressorImpl
CompressorImpl()
Compressor constructor
Definition: compression.h:257
daal::services::ErrorCompressionEmptyInputStream
Definition: error_indexes.h:311
daal::data_management::interface1::Compression::checkOutputParams
virtual void checkOutputParams(byte *outBlock, size_t size)
Definition: compression.h:218
daal::data_management::level2
Definition: compression.h:73
daal::data_management::level7
Definition: compression.h:78
daal::data_management::interface1::Compression::checkInputParams
virtual void checkInputParams(byte *inBlock, size_t size)
Definition: compression.h:202
daal::data_management::interface1::Decompressor::Decompressor
Decompressor()
Decompressor constructor
Definition: compression.h:335
daal::data_management::CompressionLevel
CompressionLevel
Compression levels
Definition: compression.h:68
daal::data_management::defaultLevel
Definition: compression.h:70
daal::data_management::level4
Definition: compression.h:75
daal::data_management::interface1::CompressorImpl
Base class for the Compressor.
Definition: compression.h:251
daal::data_management::level0
Definition: compression.h:71
daal::data_management::interface1::CompressionParameter::CompressionParameter
CompressionParameter(CompressionLevel clevel=defaultLevel)
Definition: compression.h:119
daal::data_management::interface1::Compression
Base class for compression and decompression
Definition: compression.h:178
daal::services::interface1::SharedPtr
Shared pointer that retains shared ownership of an object through a pointer. Several SharedPtr object...
Definition: daal_shared_ptr.h:187
daal::data_management::rle
Definition: compression.h:92
daal::data_management::interface1::CompressionIface
Abstract interface class for compression and decompression.
Definition: compression.h:128
daal::data_management::interface1::Decompressor
Decompressor class decompresses an input data block and writes results into an output data block...
Definition: compression.h:329
daal::data_management::CompressionMethod
CompressionMethod
Compression methods
Definition: compression.h:88
daal::data_management::interface1::Compression::getUsedOutputDataBlockSize
size_t getUsedOutputDataBlockSize()
Definition: compression.h:193
daal::data_management::level1
Definition: compression.h:72
daal::services::ErrorCompressionEmptyOutputStream
Definition: error_indexes.h:312
daal::data_management::lzo
Definition: compression.h:91
daal::data_management::interface1::CompressionParameter::level
CompressionLevel level
Definition: compression.h:113
daal::data_management::interface1::CompressionParameter
Parameters for compression and decompression.
Definition: compression.h:111
daal::data_management::level6
Definition: compression.h:77
daal::data_management::bzip2
Definition: compression.h:93
daal::data_management::interface1::Compressor::Compressor
Compressor()
Compressor constructor
Definition: compression.h:313
daal::data_management::level3
Definition: compression.h:74
daal::data_management::interface1::DecompressorImpl
Base class for the Decompressor.
Definition: compression.h:277
daal::data_management::zlib
Definition: compression.h:90
daal::data_management::level9
Definition: compression.h:80
daal::data_management::interface1::Compression::isOutputDataBlockFull
bool isOutputDataBlockFull()
Definition: compression.h:192
daal::services::ErrorCompressionNullInputStream
Definition: error_indexes.h:308
daal::data_management::interface1::DecompressorImpl::DecompressorImpl
DecompressorImpl()
Decompressor constructor
Definition: compression.h:283
daal::data_management::interface1::Compression::Compression
Compression()
Compression constructor.
Definition: compression.h:184
daal::services::ErrorCompressionNullOutputStream
Definition: error_indexes.h:309
daal::data_management::level5
Definition: compression.h:76
daal::data_management::interface1::DataBlock
Class that stores a pointer to a byte array and its size. Not responsible for memory management...
Definition: data_block.h:109