casacore
Public Member Functions | Protected Member Functions | Private Attributes | List of all members
dyscostman::DyscoWeightColumn Class Referencefinal

A column for storing compressed complex values with an approximate Gaussian distribution. More...

#include <dyscoweightcolumn.h>

Public Member Functions

 DyscoWeightColumn (DyscoStMan *parent, int dtype)
 Create a new column. More...
 
 DyscoWeightColumn (const DyscoWeightColumn &source)=delete
 
void operator= (const DyscoWeightColumn &source)=delete
 
virtual ~DyscoWeightColumn ()
 Destructor. More...
 
virtual void Prepare (DyscoDistribution distribution, Normalization normalization, double studentsTNu, double distributionTruncation) override
 
- Public Member Functions inherited from dyscostman::ThreadedDyscoColumn< float >
 ThreadedDyscoColumn (DyscoStMan *parent, int dtype)
 Create a new column. More...
 
 ThreadedDyscoColumn (const ThreadedDyscoColumn &source)=delete
 
void operator= (const ThreadedDyscoColumn &source)=delete
 
virtual ~ThreadedDyscoColumn ()
 Destructor. More...
 
virtual void setShapeColumn (const casacore::IPosition &shape) override
 Set the dimensions of values in this column. More...
 
virtual casacore::IPosition shape (casacore::rownr_t) override
 Get the dimensions of the values in a particular row. More...
 
virtual void getArrayV (casacore::rownr_t rowNr, casacore::ArrayBase &dataPtr) override
 Read the values for a particular row. More...
 
void getArrayV (casacore::rownr_t rowNr, casacore::ArrayBase &dataPtr)
 
void getArrayV (casacore::rownr_t rowNr, casacore::ArrayBase &dataPtr)
 
virtual void putArrayV (casacore::rownr_t rowNr, const casacore::ArrayBase &dataPtr) override
 Write values into a particular row. More...
 
void putArrayV (casacore::rownr_t rowNr, const casacore::ArrayBase &dataPtr)
 
void putArrayV (casacore::rownr_t rowNr, const casacore::ArrayBase &dataPtr)
 
virtual void InitializeAfterNRowsPerBlockIsKnown () override
 Prepare this column for reading/writing. More...
 
void SetBitsPerSymbol (unsigned bitsPerSymbol)
 Set the bits per symbol. More...
 
virtual size_t CalculateBlockSize (size_t nRowsInBlock, size_t nAntennae) const final override
 
virtual size_t ExtraHeaderSize () const override
 Get number of bytes needed for column header of this column. More...
 
virtual void SerializeExtraHeader (std::ostream &stream) const final override
 
virtual void UnserializeExtraHeader (std::istream &stream) final override
 
- Public Member Functions inherited from dyscostman::DyscoStManColumn
 DyscoStManColumn (DyscoStMan *parent, int dtype)
 Constructor, to be overloaded by subclass. More...
 
virtual ~DyscoStManColumn ()
 Destructor. More...
 
virtual casacore::Bool isWritable () const override
 Whether this column is writable. More...
 
size_t OffsetInBlock () const
 
void SetOffsetInBlock (size_t offsetInBlock)
 
- Public Member Functions inherited from casacore::StManColumnBase
 StManColumnBase (int dataType)
 Default constructor. More...
 
 ~StManColumnBase ()
 
virtual int dataType () const
 Return the data type of the column. More...
 
DataType dtype () const
 
Int elemSize () const
 Return the size of an element of the column's data type. More...
 
- Public Member Functions inherited from casacore::DataManagerColumn
 DataManagerColumn ()
 Create a column. More...
 
virtual ~DataManagerColumn ()
 Frees up the storage. More...
 
void setIsFixedShape (Bool isFixedShape)
 Set the isFixedShape flag. More...
 
Bool isFixedShape () const
 Is this a fixed shape column? More...
 
virtual String dataTypeId () const
 Get the data type id of the column for dataType==TpOther. More...
 
virtual void setMaxLength (uInt maxLength)
 Set the maximum length of the value (can be used for strings). More...
 
void setFixedShapeColumn (const IPosition &shape)
 Set the shape of all (fixed-shaped) arrays in the column. More...
 
virtual void setShape (rownr_t rownr, const IPosition &shape)
 Set the shape of an (variable-shaped) array in the given row. More...
 
virtual void setShapeTiled (rownr_t rownr, const IPosition &shape, const IPosition &tileShape)
 Set the shape and tile shape of an (variable-shaped) array in the given row. More...
 
virtual Bool isShapeDefined (rownr_t rownr)
 Is the value shape defined in the given row? By default it returns True. More...
 
virtual uInt ndim (rownr_t rownr)
 Get the dimensionality of the item in the given row. More...
 
virtual IPosition shape (rownr_t rownr)
 Get the shape of the item in the given row. More...
 
virtual IPosition tileShape (rownr_t rownr)
 Get the tile shape of the item in the given row. More...
 
virtual Bool canChangeShape () const
 Can the data manager handle chaging the shape of an existing array? Default is no. More...
 
ColumnCachecolumnCache ()
 Get access to the ColumnCache object. More...
 
const ColumnCachecolumnCachePtr () const
 
void get (rownr_t rownr, Bool *dataPtr)
 Get the scalar value in the given row. More...
 
void get (rownr_t rownr, uChar *dataPtr)
 
void get (rownr_t rownr, Short *dataPtr)
 
void get (rownr_t rownr, uShort *dataPtr)
 
void get (rownr_t rownr, Int *dataPtr)
 
void get (rownr_t rownr, uInt *dataPtr)
 
void get (rownr_t rownr, Int64 *dataPtr)
 
void get (rownr_t rownr, float *dataPtr)
 
void get (rownr_t rownr, double *dataPtr)
 
void get (rownr_t rownr, Complex *dataPtr)
 
void get (rownr_t rownr, DComplex *dataPtr)
 
void get (rownr_t rownr, String *dataPtr)
 
void get (rownr_t rownr, void *dataPtr)
 This function is the get for all non-standard data types. More...
 
void put (rownr_t rownr, const Bool *dataPtr)
 Put the scalar value into the given row. More...
 
void put (rownr_t rownr, const uChar *dataPtr)
 
void put (rownr_t rownr, const Short *dataPtr)
 
void put (rownr_t rownr, const uShort *dataPtr)
 
void put (rownr_t rownr, const Int *dataPtr)
 
void put (rownr_t rownr, const uInt *dataPtr)
 
void put (rownr_t rownr, const Int64 *dataPtr)
 
void put (rownr_t rownr, const float *dataPtr)
 
void put (rownr_t rownr, const double *dataPtr)
 
void put (rownr_t rownr, const Complex *dataPtr)
 
void put (rownr_t rownr, const DComplex *dataPtr)
 
void put (rownr_t rownr, const String *dataPtr)
 
void put (rownr_t rownr, const void *dataPtr)
 This function is the put for all non-standard data types. More...
 
virtual void getScalarColumnV (ArrayBase &dataPtr)
 Get all scalar values in the column. More...
 
virtual void putScalarColumnV (const ArrayBase &dataPtr)
 Put all scalar values in the column. More...
 
virtual void getScalarColumnCellsV (const RefRows &rownrs, ArrayBase &dataPtr)
 Get some scalar values in the column. More...
 
virtual void putScalarColumnCellsV (const RefRows &rownrs, const ArrayBase &dataPtr)
 Put some scalar values in the column. More...
 
virtual void getArrayV (rownr_t rownr, ArrayBase &dataPtr)
 Get the array value in the given row. More...
 
virtual void putArrayV (rownr_t rownr, const ArrayBase &data)
 Put the array value into the given row. More...
 
virtual void getArrayColumnV (ArrayBase &data)
 Get all array values in the column. More...
 
virtual void putArrayColumnV (const ArrayBase &data)
 Put all array values in the column. More...
 
virtual void getArrayColumnCellsV (const RefRows &rownrs, ArrayBase &data)
 Get some array values in the column. More...
 
virtual void putArrayColumnCellsV (const RefRows &rownrs, const ArrayBase &data)
 Put some array values in the column. More...
 
virtual void getSliceV (rownr_t rownr, const Slicer &slicer, ArrayBase &data)
 Get a section of the array in the given row. More...
 
virtual void putSliceV (rownr_t rownr, const Slicer &slicer, const ArrayBase &data)
 Put into a section of the array in the given row. More...
 
virtual void getColumnSliceV (const Slicer &slicer, ArrayBase &data)
 Get a section of all arrays in the column. More...
 
virtual void putColumnSliceV (const Slicer &slicer, const ArrayBase &data)
 Put into a section of all arrays in the column. More...
 
virtual void getColumnSliceCellsV (const RefRows &rownrs, const Slicer &slicer, ArrayBase &data)
 Get a section of some arrays in the column. More...
 
virtual void putColumnSliceCellsV (const RefRows &rownrs, const Slicer &slicer, const ArrayBase &data)
 Put into a section of some arrays in the column. More...
 
void throwGet () const
 Throw an "invalid operation" exception for the default implementation of get. More...
 
void throwPut () const
 Throw an "invalid operation" exception for the default implementation of put. More...
 
void setColumnName (const String &colName)
 Set the column name. More...
 
const StringcolumnName () const
 Get rhe column name. More...
 

Protected Member Functions

virtual void initializeDecode (TimeBlockBuffer< data_t > *buffer, const float *metaBuffer, size_t nRow, size_t nAntennae) override
 
virtual void decode (TimeBlockBuffer< data_t > *buffer, const symbol_t *data, size_t blockRow, size_t a1, size_t a2) override
 
virtual std::unique_ptr< ThreadDataBase > initializeEncodeThread () override
 
virtual void encode (ThreadDataBase *threadData, TimeBlockBuffer< data_t > *buffer, float *metaBuffer, symbol_t *symbolBuffer, size_t nAntennae) override
 
virtual size_t metaDataFloatCount (size_t, size_t, size_t, size_t) const override
 
virtual size_t symbolCount (size_t nRowsInBlock, size_t, size_t) const override
 
- Protected Member Functions inherited from dyscostman::ThreadedDyscoColumn< float >
const casacore::IPositionshape () const
 
virtual void shutdown () override final
 To be called before destructing the class. More...
 
virtual size_t defaultThreadCount () const
 
size_t getBitsPerSymbol () const
 
- Protected Member Functions inherited from dyscostman::DyscoStManColumn
DyscoStManstorageManager () const
 Get the storage manager for this column. More...
 
void readCompressedData (size_t blockIndex, unsigned char *dest, size_t size)
 Read a row of compressed data from the stman file. More...
 
void writeCompressedData (size_t blockIndex, const unsigned char *data, size_t size)
 Write a row of compressed data to the stman file. More...
 
uint64_t nBlocksInFile () const
 Get the actual number of blocks in the file. More...
 
size_t getBlockIndex (uint64_t row) const
 
size_t getRowWithinBlock (uint64_t row) const
 
size_t nRowsInBlock () const
 
size_t nAntennae () const
 
uint64_t getRowIndex (size_t block) const
 
bool areOffsetsInitialized () const
 
void initializeRowsPerBlock (size_t rowsPerBlock, size_t antennaCount)
 
- Protected Member Functions inherited from casacore::DataManagerColumn
virtual void getBool (rownr_t rownr, Bool *dataPtr)
 Get the scalar value in the given row. More...
 
virtual void getuChar (rownr_t rownr, uChar *dataPtr)
 
virtual void getShort (rownr_t rownr, Short *dataPtr)
 
virtual void getuShort (rownr_t rownr, uShort *dataPtr)
 
virtual void getInt (rownr_t rownr, Int *dataPtr)
 
virtual void getuInt (rownr_t rownr, uInt *dataPtr)
 
virtual void getInt64 (rownr_t rownr, Int64 *dataPtr)
 
virtual void getfloat (rownr_t rownr, float *dataPtr)
 
virtual void getdouble (rownr_t rownr, double *dataPtr)
 
virtual void getComplex (rownr_t rownr, Complex *dataPtr)
 
virtual void getDComplex (rownr_t rownr, DComplex *dataPtr)
 
virtual void getString (rownr_t rownr, String *dataPtr)
 
virtual void getOther (rownr_t rownr, void *dataPtr)
 This function is the get for all non-standard data types. More...
 
virtual void putBool (rownr_t rownr, const Bool *dataPtr)
 Put the scalar value into the given row. More...
 
virtual void putuChar (rownr_t rownr, const uChar *dataPtr)
 
virtual void putShort (rownr_t rownr, const Short *dataPtr)
 
virtual void putuShort (rownr_t rownr, const uShort *dataPtr)
 
virtual void putInt (rownr_t rownr, const Int *dataPtr)
 
virtual void putuInt (rownr_t rownr, const uInt *dataPtr)
 
virtual void putInt64 (rownr_t rownr, const Int64 *dataPtr)
 
virtual void putfloat (rownr_t rownr, const float *dataPtr)
 
virtual void putdouble (rownr_t rownr, const double *dataPtr)
 
virtual void putComplex (rownr_t rownr, const Complex *dataPtr)
 
virtual void putDComplex (rownr_t rownr, const DComplex *dataPtr)
 
virtual void putString (rownr_t rownr, const String *dataPtr)
 
virtual void putOther (rownr_t rownr, const void *dataPtr)
 This function is the put for all non-standard data types. More...
 
void getScalarColumnBase (ArrayBase &dataPtr)
 The default implementations of get and put functions. More...
 
void putScalarColumnBase (const ArrayBase &dataPtr)
 
void getScalarColumnCellsBase (const RefRows &rownrs, ArrayBase &dataPtr)
 
void putScalarColumnCellsBase (const RefRows &rownrs, const ArrayBase &dataPtr)
 
void getArrayColumnBase (ArrayBase &data)
 
void putArrayColumnBase (const ArrayBase &data)
 
void getArrayColumnCellsBase (const RefRows &rownrs, ArrayBase &data)
 
void putArrayColumnCellsBase (const RefRows &rownrs, const ArrayBase &data)
 
void getSliceBase (rownr_t rownr, const Slicer &slicer, ArrayBase &data)
 
void putSliceBase (rownr_t rownr, const Slicer &slicer, const ArrayBase &data)
 
void getColumnSliceBase (const Slicer &slicer, ArrayBase &data)
 
void putColumnSliceBase (const Slicer &slicer, const ArrayBase &data)
 
void getColumnSliceCellsBase (const RefRows &rownrs, const Slicer &slicer, ArrayBase &data)
 
void putColumnSliceCellsBase (const RefRows &rownrs, const Slicer &slicer, const ArrayBase &data)
 

Private Attributes

std::unique_ptr< WeightBlockEncoder_encoder
 

Additional Inherited Members

- Public Types inherited from dyscostman::ThreadedDyscoColumn< float >
typedef float data_t
 
- Static Public Member Functions inherited from casacore::StManColumnBase
static Bool isNativeDataType (int dtype)
 Test if the given data type is supported by storage managers. More...
 
- Protected Types inherited from dyscostman::ThreadedDyscoColumn< float >
typedef TimeBlockBuffer< data_t >::symbol_t symbol_t
 

Detailed Description

A column for storing compressed complex values with an approximate Gaussian distribution.

Author
André Offringa

Definition at line 17 of file dyscoweightcolumn.h.

Constructor & Destructor Documentation

◆ DyscoWeightColumn() [1/2]

dyscostman::DyscoWeightColumn::DyscoWeightColumn ( DyscoStMan parent,
int  dtype 
)
inline

Create a new column.

Internally called by DyscoStMan when creating a new column.

Definition at line 23 of file dyscoweightcolumn.h.

◆ DyscoWeightColumn() [2/2]

dyscostman::DyscoWeightColumn::DyscoWeightColumn ( const DyscoWeightColumn source)
delete

◆ ~DyscoWeightColumn()

virtual dyscostman::DyscoWeightColumn::~DyscoWeightColumn ( )
inlinevirtual

Destructor.

Definition at line 31 of file dyscoweightcolumn.h.

References dyscostman::ThreadedDyscoColumn< float >::shutdown().

Member Function Documentation

◆ decode()

virtual void dyscostman::DyscoWeightColumn::decode ( TimeBlockBuffer< data_t > *  buffer,
const symbol_t data,
size_t  blockRow,
size_t  a1,
size_t  a2 
)
overrideprotectedvirtual

◆ encode()

virtual void dyscostman::DyscoWeightColumn::encode ( ThreadDataBase *  threadData,
TimeBlockBuffer< data_t > *  buffer,
float *  metaBuffer,
symbol_t symbolBuffer,
size_t  nAntennae 
)
overrideprotectedvirtual

◆ initializeDecode()

virtual void dyscostman::DyscoWeightColumn::initializeDecode ( TimeBlockBuffer< data_t > *  buffer,
const float *  metaBuffer,
size_t  nRow,
size_t  nAntennae 
)
overrideprotectedvirtual

◆ initializeEncodeThread()

virtual std::unique_ptr<ThreadDataBase> dyscostman::DyscoWeightColumn::initializeEncodeThread ( )
inlineoverrideprotectedvirtual

Implements dyscostman::ThreadedDyscoColumn< float >.

Definition at line 45 of file dyscoweightcolumn.h.

◆ metaDataFloatCount()

virtual size_t dyscostman::DyscoWeightColumn::metaDataFloatCount ( size_t  ,
size_t  ,
size_t  ,
size_t   
) const
inlineoverrideprotectedvirtual

Implements dyscostman::ThreadedDyscoColumn< float >.

Definition at line 53 of file dyscoweightcolumn.h.

References _encoder.

◆ operator=()

void dyscostman::DyscoWeightColumn::operator= ( const DyscoWeightColumn source)
delete

◆ Prepare()

virtual void dyscostman::DyscoWeightColumn::Prepare ( DyscoDistribution  distribution,
Normalization  normalization,
double  studentsTNu,
double  distributionTruncation 
)
overridevirtual

◆ symbolCount()

virtual size_t dyscostman::DyscoWeightColumn::symbolCount ( size_t  nRowsInBlock,
size_t  ,
size_t   
) const
inlineoverrideprotectedvirtual

Member Data Documentation

◆ _encoder

std::unique_ptr<WeightBlockEncoder> dyscostman::DyscoWeightColumn::_encoder
private

Definition at line 65 of file dyscoweightcolumn.h.

Referenced by metaDataFloatCount(), and symbolCount().


The documentation for this class was generated from the following file: