HDF5 C++ API Reference Manual

 

 

 

H5DxferProp.h

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#ifndef _H5DSetMemXferPropList_H
#define _H5DSetMemXferPropList_H

#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif

class H5_DLLCPP DSetMemXferPropList : public PropList {
   public:
        static const DSetMemXferPropList DEFAULT;

        // Creates a dataset memory and transfer property list.
        DSetMemXferPropList();

#ifdef H5_WANT_H5_V1_4_COMPAT
        // Sets type conversion and background buffers.
        void setBuffer( hsize_t size, void* tconv, void* bkg ) const;

        // Reads buffer settings.
        hsize_t getBuffer( void** tconv, void** bkg ) const;

        // Indicates whether to cache hyperslab blocks during I/O.
        void setHyperCache( bool cache, unsigned limit = 0 ) const;

        // Returns information regarding the caching of hyperslab blocks during I/O.
        void getHyperCache( bool& cache, unsigned& limit ) const;

#else /* H5_WANT_H5_V1_4_COMPAT */
        // 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;
#endif /* H5_WANT_H5_V1_4_COMPAT */

        // 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 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 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 data transfer property list for the multi-file driver.
        void setMulti(const hid_t *memb_dxpl);

        // Returns multi-file data transfer property list information.
        void getMulti(hid_t *memb_dxpl);

        // Sets the size of a contiguous block reserved for small data.
        void setSmallDataBlockSize(hsize_t size);

        // Returns the current small data block size setting.
        hsize_t getSmallDataBlockSize();

        // Sets number of I/O vectors to be read/written in hyperslab I/O.
        void setHyperVectorSize(size_t vector_size);

        // Returns the number of I/O vectors to be read/written in
        // hyperslab I/O.
        size_t getHyperVectorSize();

        // Enables or disables error-detecting for a dataset reading
        // process.
        void setEDCCheck(H5Z_EDC_t check);

        // Determines whether error-detection is enabled for dataset reads.
        H5Z_EDC_t getEDCCheck();

        // 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 H5_NO_NAMESPACE
}
#endif
#endif

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