// 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