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// C++ informative line for the emacs editor: -*- C++ -*-
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
// Class DSetMemXferPropList represents the HDF5 dataset transfer property list
// and inherits from PropList.
#ifndef __H5DSetMemXferPropList_H
#define __H5DSetMemXferPropList_H
namespace H5 {
/*! \class DSetMemXferPropList
\brief Class DSetCreatPropList inherits from PropList and provides
wrappers for the HDF5 dataset memory and transfer property list.
Inheritance: ObjCreatPropList -> PropList -> IdComponent
*/
class H5_DLLCPP DSetMemXferPropList : public PropList {
public:
///\brief Default dataset memory and transfer property list.
static const DSetMemXferPropList& DEFAULT;
// Creates a dataset memory and transfer property list.
DSetMemXferPropList();
// Creates a dataset transform property list.
DSetMemXferPropList(const char* expression);
// Sets type conversion and background buffers.
void setBuffer( size_t size, void* tconv, void* bkg ) const;
// Reads buffer settings.
size_t getBuffer( void** tconv, void** bkg ) const;
// Sets B-tree split ratios for a dataset transfer property list.
void setBtreeRatios( double left, double middle, double right ) const;
// Gets B-tree split ratios for a dataset transfer property list.
void getBtreeRatios( double& left, double& middle, double& right ) const;
// Sets data transform expression.
void setDataTransform(const char* expression) const;
void setDataTransform(const H5std_string& expression) const;
// Gets data transform expression.
ssize_t getDataTransform(char* exp, size_t buf_size=0) const;
H5std_string getDataTransform() const;
// Sets the dataset transfer property list status to TRUE or FALSE.
void setPreserve( bool status ) const;
// Checks status of the dataset transfer property list.
bool getPreserve() const;
// Sets an exception handling callback for datatype conversion.
void setTypeConvCB( H5T_conv_except_func_t op, void *user_data) const;
// Gets the exception handling callback for datatype conversion.
void getTypeConvCB( H5T_conv_except_func_t *op, void **user_data) const;
// Sets the memory manager for variable-length datatype
// allocation in H5Dread and H5Dvlen_reclaim.
void setVlenMemManager( H5MM_allocate_t alloc, void* alloc_info,
H5MM_free_t free, void* free_info ) const;
// alloc and free are set to NULL, indicating that system
// malloc and free are to be used.
void setVlenMemManager() const;
// Gets the memory manager for variable-length datatype
// allocation in H5Dread and H5Tvlen_reclaim.
void getVlenMemManager( H5MM_allocate_t& alloc, void** alloc_info,
H5MM_free_t& free, void** free_info ) const;
// Sets the size of a contiguous block reserved for small data.
void setSmallDataBlockSize(hsize_t size) const;
// Returns the current small data block size setting.
hsize_t getSmallDataBlockSize() const;
// Sets number of I/O vectors to be read/written in hyperslab I/O.
void setHyperVectorSize(size_t vector_size) const;
// Returns the number of I/O vectors to be read/written in
// hyperslab I/O.
size_t getHyperVectorSize() const;
// Enables or disables error-detecting for a dataset reading
// process.
void setEDCCheck(H5Z_EDC_t check) const;
// Determines whether error-detection is enabled for dataset reads.
H5Z_EDC_t getEDCCheck() const;
///\brief Returns this class name.
virtual H5std_string fromClass () const { return("DSetMemXferPropList"); }
// Copy constructor: makes a copy of a DSetMemXferPropList object.
DSetMemXferPropList(const DSetMemXferPropList& orig);
// Creates a copy of an existing dataset memory and transfer
// property list using the property list id.
DSetMemXferPropList(const hid_t plist_id);
// Noop destructor
virtual ~DSetMemXferPropList();
#ifndef DOXYGEN_SHOULD_SKIP_THIS
// Deletes the global constant, should only be used by the library
static void deleteConstants();
private:
static DSetMemXferPropList* DEFAULT_;
// Creates the global constant, should only be used by the library
static DSetMemXferPropList* getConstant();
#endif // DOXYGEN_SHOULD_SKIP_THIS
};
}
#endif // __H5DSetMemXferPropList_H
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