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// C++ informative line for the emacs editor: -*- C++ -*-
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#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: 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 H5Treclaim.
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 H5Treclaim.
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 override
{
return ("DSetMemXferPropList");
}
// Copy constructor - same as the original DSetMemXferPropList.
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() override;
#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
}; // end of DSetMemXferPropList
} // namespace H5
#endif // H5DSetMemXferPropList_H
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