path: root/c++/src/H5FaccProp.cpp

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#include <iostream>
#include <string>

using std::cerr;
using std::endl;

#include "H5Include.h"
#include "H5Exception.h"
#include "H5IdComponent.h"
#include "H5PropList.h"
#include "H5FaccProp.h"

namespace H5 {

#ifndef DOXYGEN_SHOULD_SKIP_THIS
// This DOXYGEN_SHOULD_SKIP_THIS block is a work-around approach to control
// the order of creation and deletion of the global constants.  See Design Notes
// in "H5PredType.cpp" for information.

// Initialize a pointer for the constant
FileAccPropList *FileAccPropList::DEFAULT_ = 0;

//--------------------------------------------------------------------------
// Function:    FileAccPropList::getConstant
//              Creates a FileAccPropList object representing the HDF5 constant
//              H5P_FILE_ACCESS, pointed to by FileAccPropList::DEFAULT_
// exception    H5::PropListIException
// Description
//              If FileAccPropList::DEFAULT_ already points to an allocated
//              object, throw a PropListIException.  This scenario should not
//              happen.
//--------------------------------------------------------------------------
FileAccPropList *
FileAccPropList::getConstant()
{
    // Tell the C library not to clean up, H5Library::termH5cpp will call
    // H5close - more dependency if use H5Library::dontAtExit()
    if (!IdComponent::H5dontAtexit_called) {
        (void)H5dont_atexit();
        IdComponent::H5dontAtexit_called = true;
    }

    // If the constant pointer is not allocated, allocate it. Otherwise,
    // throw because it shouldn't be.
    if (DEFAULT_ == 0)
        DEFAULT_ = new FileAccPropList(H5P_FILE_ACCESS);
    else
        throw PropListIException("FileAccPropList::getConstant",
                                 "FileAccPropList::getConstant is being invoked on an allocated DEFAULT_");
    return (DEFAULT_);
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::deleteConstants
// Purpose     Deletes the constant object that FileAccPropList::DEFAULT_
//              points to.
// exception    H5::PropListIException
//--------------------------------------------------------------------------
void
FileAccPropList::deleteConstants()
{
    delete DEFAULT_;
}

//--------------------------------------------------------------------------
// Purpose     Constant for default property
//--------------------------------------------------------------------------
const FileAccPropList &FileAccPropList::DEFAULT = *getConstant();

#endif // DOXYGEN_SHOULD_SKIP_THIS

//--------------------------------------------------------------------------
// Function:    Default Constructor
///\brief       Creates a file access property list
//--------------------------------------------------------------------------
FileAccPropList::FileAccPropList() : PropList(H5P_FILE_ACCESS)
{
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList copy constructor
///\brief       Copy constructor: same HDF5 object as \a original
///\param       original - IN: FileAccPropList instance to copy
//--------------------------------------------------------------------------
FileAccPropList::FileAccPropList(const FileAccPropList &original) : PropList(original)
{
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList overloaded constructor
///\brief       Creates a file access property list using the id of an
///             existing one.
//--------------------------------------------------------------------------
FileAccPropList::FileAccPropList(const hid_t plist_id) : PropList(plist_id)
{
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setStdio
///\brief       Modifies this property list to use the \c H5FD_STDIO driver.
///
///\exception   H5::PropListIException
//--------------------------------------------------------------------------
void
FileAccPropList::setStdio() const
{
    herr_t ret_value = H5Pset_fapl_stdio(id);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::setStdio", "H5Pset_fapl_stdio failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::getDriver
///\brief       Return the ID of the low-level file driver.
///\return      A low-level driver ID which is the same ID used when the
///             driver was set for the property list.  The driver ID is
///             only valid as long as the file driver remains registered.
///             For detail on valid driver identifiers, please refer to the
///             H5Pget_driver API in the HDF5 C Reference Manual.
///\exception   H5::PropListIException
//--------------------------------------------------------------------------
hid_t
FileAccPropList::getDriver() const
{
    hid_t driver = H5Pget_driver(id);
    if (driver < 0) {
        throw PropListIException("FileAccPropList::getDriver", "H5Pget_driver failed");
    }
    return (driver);
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setDriver
///\brief       Set file driver for this property list.
///\param       new_driver_id   - IN: File driver
///\param       new_driver_info - IN: Struct containing the driver-specific properties
///\exception   H5::PropListIException
///\par Description
///             For information, please refer to the H5Pset_driver API in
///             the HDF5 C Reference Manual.
//--------------------------------------------------------------------------
void
FileAccPropList::setDriver(hid_t new_driver_id, const void *new_driver_info) const
{
    herr_t ret_value = H5Pset_driver(id, new_driver_id, new_driver_info);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::setDriver", "H5Pset_driver failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setFamilyOffset
///\brief       Sets offset for family driver.
///\param       offset - IN: offset value
///\exception   H5::PropListIException
//--------------------------------------------------------------------------
void
FileAccPropList::setFamilyOffset(hsize_t offset) const
{
    herr_t ret_value = H5Pset_family_offset(id, offset);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::setFamilyOffset", "H5Pset_family_offset failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::getFamilyOffset
///\brief       Get offset for family driver.
///\return      Offset for family driver
///\exception   H5::PropListIException
//--------------------------------------------------------------------------
hsize_t
FileAccPropList::getFamilyOffset() const
{
    hsize_t offset;
    herr_t  ret_value = H5Pget_family_offset(id, &offset);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::getFamilyOffset", "H5Pget_family_offset failed");
    }
    return (offset);
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setCore
///\brief       Modifies this file access property list to use the \c H5FD_CORE
///             driver.
///\param       increment - IN: Specifies how much memory to increase each
///                             time more memory is needed, in bytes
///\param       backing_store - IN: Indicating whether to write the file
///                                 contents to disk when the file is closed
///\exception   H5::PropListIException
///\par Description
///             For more details on the use of \c H5FD_CORE driver, please
///             refer to the H5Pset_fapl_core API in the HDF5 C Reference Manual.
//--------------------------------------------------------------------------
void
FileAccPropList::setCore(size_t increment, hbool_t backing_store) const
{
    herr_t ret_value = H5Pset_fapl_core(id, increment, backing_store);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::setCore", "H5Pset_fapl_core failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::getCore
///\brief       Queries core file driver properties.
///\param       increment - OUT: Size of memory increment, in bytes
///\param       backing_store - OUT: Indicating whether to write the file
///                                  contents to disk when the file is closed
///\exception   H5::PropListIException
//--------------------------------------------------------------------------
void
FileAccPropList::getCore(size_t &increment, hbool_t &backing_store) const
{
    herr_t ret_value = H5Pget_fapl_core(id, &increment, &backing_store);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::getCore", "H5Pget_fapl_core failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setFamily
///\brief       Sets this file access property list to use the family driver.
///\param       memb_size  - IN: Size in bytes of each file member
///\param       memb_plist - IN: File access property list to be used for
///                              each family member
///\exception   H5::PropListIException
///\par Description
///             Note that \a memb_size is used only when creating a new file.
//--------------------------------------------------------------------------
void
FileAccPropList::setFamily(hsize_t memb_size, const FileAccPropList &memb_plist) const
{
    herr_t ret_value = H5Pset_fapl_family(id, memb_size, memb_plist.getId());
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::setFamily", "H5Pset_fapl_family failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::getFamily
///\brief       Returns information about the family file access property
///             list.
///\param       memb_size  - OUT: Size in bytes of each file member
///\param       memb_plist - OUT: Retrieved file access property list for each
///                               file member
///\exception   H5::PropListIException
//--------------------------------------------------------------------------
void
FileAccPropList::getFamily(hsize_t &memb_size, FileAccPropList &memb_plist) const
{
    hid_t  memb_plist_id;
    herr_t ret_value = H5Pget_fapl_family(id, &memb_size, &memb_plist_id);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::getFamily", "H5Pget_fapl_family failed");
    }
    memb_plist.p_setId(memb_plist_id);
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::getFamily
///\brief       This is an overloaded member function, provided for convenience.
///             It differs from the above function only in what arguments it
///             accepts and its return value.
///\param       memb_size  - OUT: Size in bytes of each file member
///\return      The file access property list for each file member
///\exception   H5::PropListIException
//--------------------------------------------------------------------------
FileAccPropList
FileAccPropList::getFamily(hsize_t &memb_size) const
{
    hid_t  memb_plist_id;
    herr_t ret_value = H5Pget_fapl_family(id, &memb_size, &memb_plist_id);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::getFamily", "H5Pget_fapl_family failed");
    }
    FileAccPropList memb_plist(memb_plist_id);
    return (memb_plist);
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setSplit
///\brief       Emulates the old split file driver, which stored meta data
///             in one file and raw data in another file.
///\param       meta_plist  - IN: File access plist for the metadata file
///\param       raw_plist   - IN: File access plist for the raw data file
///\param       meta_ext    - IN: Metadata filename extension as \c char*
///\param       raw_ext     - IN: Raw data filename extension as \c char*
///\exception   H5::PropListIException
///\par Description
///             For information, please refer to the H5Pset_fapl_split API in
///             the HDF5 C Reference Manual.
//--------------------------------------------------------------------------
void
FileAccPropList::setSplit(const FileAccPropList &meta_plist, const FileAccPropList &raw_plist,
                          const char *meta_ext, const char *raw_ext) const
{
    hid_t  meta_pid  = meta_plist.getId();
    hid_t  raw_pid   = raw_plist.getId();
    herr_t ret_value = H5Pset_fapl_split(id, meta_ext, meta_pid, raw_ext, raw_pid);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::setSplit", "H5Pset_fapl_split failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setSplit
///\brief       This is an overloaded member function, provided for convenience.
///             It takes character arguments as \c H5std_string.
///\param       meta_plist  - IN: File access plist for the metadata file
///\param       raw_plist   - IN: File access plist for the raw data file
///\param       meta_ext    - IN: Metadata filename extension as \c H5std_string
///\param       raw_ext     - IN: Raw data filename extension as \c H5std_string
///\exception   H5::PropListIException
//--------------------------------------------------------------------------
void
FileAccPropList::setSplit(const FileAccPropList &meta_plist, const FileAccPropList &raw_plist,
                          const H5std_string &meta_ext, const H5std_string &raw_ext) const
{
    setSplit(meta_plist, raw_plist, meta_ext.c_str(), raw_ext.c_str());
}

// Stream Virtual File Driver had been removed from the main library.
// FileAccPropList::[s,g]etStream are now removed from the C++ API.
// -BMR, March, 2012

//--------------------------------------------------------------------------
// Function:    FileAccPropList::getSieveBufSize
///\brief       Returns the current settings for the data sieve buffer size
///             property from this property list.
///\return      Data sieve buffer size, in bytes
///\exception   H5::PropListIException
//--------------------------------------------------------------------------
size_t
FileAccPropList::getSieveBufSize() const
{
    size_t bufsize;
    herr_t ret_value = H5Pget_sieve_buf_size(id, &bufsize);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::getSieveBufSize", "H5Pget_sieve_buf_size failed");
    }
    return (bufsize);
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setSieveBufSize
///\brief       Sets the maximum size of the data sieve buffer.
///\param       bufsize - IN: Maximum size, in bytes, of data sieve buffer
///\exception   H5::PropListIException
///\par Description
///             For more detail, please refer to the H5Pset_sieve_buf_size
///             API in the HDF5 C Reference Manual.
//--------------------------------------------------------------------------
void
FileAccPropList::setSieveBufSize(size_t bufsize) const
{
    herr_t ret_value = H5Pset_sieve_buf_size(id, bufsize);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::getSieveBufSize", "H5Pget_sieve_buf_size failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setMetaBlockSize
///\brief       Sets the minimum size of metadata block allocations.
///\param       block_size - IN: Minimum size, in bytes, of metadata
///             block allocations
///\exception   H5::PropListIException
///\par Description
///             For information, please refer to the H5Pset_meta_block_size
///             API in the HDF5 C Reference Manual.
//--------------------------------------------------------------------------
void
FileAccPropList::setMetaBlockSize(hsize_t &block_size) const
{
    herr_t ret_value = H5Pset_meta_block_size(id, block_size);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::setMetaBlockSize", "H5Pset_meta_block_size failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::getMetaBlockSize
///\brief       Returns the current metadata block size setting.
///\return      Metadata block size
///\exception   H5::PropListIException
//--------------------------------------------------------------------------
hsize_t
FileAccPropList::getMetaBlockSize() const
{
    hsize_t block_size;
    herr_t  ret_value = H5Pget_meta_block_size(id, &block_size);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::getMetaBlockSize", "H5Pget_meta_block_size failed");
    }
    return (block_size);
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setLog
///\brief       Modifies this file access property list to use the logging
///             driver.
///\param       logfile  - IN: Name of the log file
///\param       flags    - IN: Flags specifying the types of logging activity
///\param       buf_size - IN: Size of the logging buffer
///\exception   H5::PropListIException
///\par Description
///             For information, please refer to the H5Pset_fapl_log API in
///             the HDF5 C Reference Manual.
//--------------------------------------------------------------------------
void
FileAccPropList::setLog(const char *logfile, unsigned flags, size_t buf_size) const
{
    herr_t ret_value = H5Pset_fapl_log(id, logfile, flags, buf_size);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::setLog", "H5Pset_fapl_log failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setLog
///\brief       This is an overloaded member function, provided for convenience.
///             It differs from the above function only in what arguments it
///             accepts.
///\param       logfile  - IN: Name of the log file - string
///\param       flags    - IN: Flags specifying the types of logging activity
///\param       buf_size - IN: Size of the logging buffer
//--------------------------------------------------------------------------
void
FileAccPropList::setLog(const H5std_string &logfile, unsigned flags, size_t buf_size) const
{
    setLog(logfile.c_str(), flags, buf_size);
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setSec2
///\brief       Modifies this file access property list to use the sec2
///             driver.
///
///\exception   H5::PropListIException
//--------------------------------------------------------------------------
void
FileAccPropList::setSec2() const
{
    herr_t ret_value = H5Pset_fapl_sec2(id);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::setSec2", "H5Pset_fapl_sec2 failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setAlignment
///\brief       Sets the alignment properties of this property list.
///\param       threshold - IN: Threshold value for file object size
///\param       alignment - IN: Alignment value
///\exception   H5::PropListIException
///\par Description
///             The parameter \a threshold must have a non-negative value.
///             Note that setting the threshold value to 0 (zero) has the
///             effect of a special case, forcing everything to be aligned.
///             The parameter \a alignment must have a positive value.
///
///             For more detail, please refer to the H5Pset_alignment API in
///             the HDF5 C Reference Manual.
//--------------------------------------------------------------------------
void
FileAccPropList::setAlignment(hsize_t threshold, hsize_t alignment) const
{
    herr_t ret_value = H5Pset_alignment(id, threshold, alignment);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::setAlignment", "H5Pset_alignment failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::getAlignment
///\brief       Returns the current settings for alignment properties from
///             this property list.
///\param       threshold - OUT: Retrieved threshold value for file object size
///\param       alignment - OUT: Retrieved alignment value
///\exception   H5::PropListIException
//--------------------------------------------------------------------------
void
FileAccPropList::getAlignment(hsize_t &threshold, hsize_t &alignment) const
{
    herr_t ret_value = H5Pget_alignment(id, &threshold, &alignment);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::getAlignment", "H5Pget_alignment failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setMultiType
///\brief       Sets data type for \c MULTI driver.
///\param       dtype - IN: Type of data
///\exception   H5::PropListIException
///\par Description
///             For information, please refer to the H5Pset_multi_type API in
///             the HDF5 C Reference Manual.
//--------------------------------------------------------------------------
void
FileAccPropList::setMultiType(H5FD_mem_t dtype) const
{
    herr_t ret_value = H5Pset_multi_type(id, dtype);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::setMultiType", "H5Pset_multi_type failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::getMultiType
///\brief       Returns the data type property for \c MULTI driver.
///\return      The data type property
///\exception   H5::PropListIException
///\par Description
///             For information, please refer to the H5Pget_multi_type API in
///             the HDF5 C Reference Manual.
//--------------------------------------------------------------------------
H5FD_mem_t
FileAccPropList::getMultiType() const
{
    H5FD_mem_t dtype;
    herr_t     ret_value = H5Pget_multi_type(id, &dtype);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::getMultiType", "H5Pget_multi_type failed");
    }
    return (dtype);
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setCache
///\brief       Sets the meta data cache and raw data chunk cache parameters.
///\param       mdc_nelmts - IN: Number of elements in the meta data cache
///\param       rdcc_nelmts - IN: Number of elements in the raw data chunk cache
///\param       rdcc_nbytes - IN: Total size of the raw data chunk cache, in bytes
///\param       rdcc_w0 - IN: Preemption policy
///\exception   H5::PropListIException
///\par Description
///             The argument \a rdcc_w0 should hold a value between 0 and 1
///             inclusive.  This value indicates how much chunks that have
///             been fully read are favored for preemption. A value of zero
///             means fully read chunks are treated no differently than other
///             chunks (the preemption is strictly LRU) while a value of one
///             means fully read chunks are always preempted before other chunks.
//--------------------------------------------------------------------------
void
FileAccPropList::setCache(int mdc_nelmts, size_t rdcc_nelmts, size_t rdcc_nbytes, double rdcc_w0) const
{
    herr_t ret_value = H5Pset_cache(id, mdc_nelmts, rdcc_nelmts, rdcc_nbytes, rdcc_w0);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::setCache", "H5Pset_cache failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::getCache
///\brief       Queries the meta data cache and raw data chunk cache parameters.
///\param       mdc_nelmts  - OUT: Number of elements in the meta data cache
///\param       rdcc_nelmts - OUT: Number of elements in the raw data chunk cache
///\param       rdcc_nbytes - OUT: Total size of the raw data chunk cache, in bytes
///\param       rdcc_w0 - OUT: Preemption policy
///\exception   H5::PropListIException
//--------------------------------------------------------------------------
void
FileAccPropList::getCache(int &mdc_nelmts, size_t &rdcc_nelmts, size_t &rdcc_nbytes, double &rdcc_w0) const
{
    herr_t ret_value = H5Pget_cache(id, &mdc_nelmts, &rdcc_nelmts, &rdcc_nbytes, &rdcc_w0);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::getCache", "H5Pget_cache failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setFcloseDegree
///\brief       Sets the degree for the file close behavior.
///\param       degree - IN:
///\exception   H5::PropListIException
//--------------------------------------------------------------------------
void
FileAccPropList::setFcloseDegree(H5F_close_degree_t degree) const
{
    herr_t ret_value = H5Pset_fclose_degree(id, degree);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::setFcloseDegree", "H5Pset_fclose_degree failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::getFcloseDegree
///\brief       Returns the degree for the file close behavior.
///\return      The degree for the file close behavior
///\exception   H5::PropListIException
//--------------------------------------------------------------------------
H5F_close_degree_t
FileAccPropList::getFcloseDegree() const
{
    H5F_close_degree_t degree;
    herr_t             ret_value = H5Pget_fclose_degree(id, &degree);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::getFcloseDegree", "H5Pget_fclose_degree failed");
    }
    return (degree);
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setGcReferences
///\brief       Sets garbage collecting references flag.
///\param       gc_ref - IN: Flag setting reference garbage collection to
///                          on (1) or off (0).
///\exception   H5::PropListIException
///\par Description
///             For information, please refer to the H5Pset_gc_references API in
///             the HDF5 C Reference Manual.
//--------------------------------------------------------------------------
void
FileAccPropList::setGcReferences(unsigned gc_ref) const
{
    herr_t ret_value = H5Pset_gc_references(id, gc_ref);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::setGcReferences", "H5Pset_gc_references failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::getGcReferences
///\brief       Returns the garbage collecting references setting.
///\return      Garbage collecting references setting, 0 (off) or 1 (on)
///\exception   H5::PropListIException
//--------------------------------------------------------------------------
unsigned
FileAccPropList::getGcReferences() const
{
    unsigned gc_ref;

    // the name of this routine will be changed to H5Pget_gc_references???
    herr_t ret_value = H5Pget_gc_references(id, &gc_ref);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::getGcReferences", "H5Pget_gc_references failed");
    }
    return (gc_ref);
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setFileLocking
///\brief       Sets file locking flags.
///\param       use_file_locking - IN: Flag that determines if file locks should
//                  be used or not.
///\param       ignore_when_disabled - IN: Flag that determines if file locks
//                  should be be used when disabled on the file system or not.
///\exception   H5::PropListIException
///\par Description
///             For information, please refer to the H5Pset_file_locking API in
///             the HDF5 C Reference Manual.
//--------------------------------------------------------------------------
void
FileAccPropList::setFileLocking(hbool_t use_file_locking, hbool_t ignore_when_disabled) const
{
    herr_t ret_value = H5Pset_file_locking(id, use_file_locking, ignore_when_disabled);

    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::setFileLocking", "H5Pset_file_locking failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::getFileLocking
///\brief       Gets file locking flags.
///\param       use_file_locking - OUT: Flag that determines if file locks
//                  should be used or not.
///\param       ignore_when_disabled - OUT: Flag that determines if file locks
//                  should be be used when disabled on the file system or not.
///\exception   H5::PropListIException
///\par Description
///             For information, please refer to the H5Pget_file_locking API in
///             the HDF5 C Reference Manual.
//--------------------------------------------------------------------------
void
FileAccPropList::getFileLocking(hbool_t &use_file_locking, hbool_t &ignore_when_disabled) const
{
    herr_t ret_value = H5Pget_file_locking(id, &use_file_locking, &ignore_when_disabled);

    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::getFileLocking", "H5Pget_file_locking failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::setLibverBounds
///\brief       Sets bounds on versions of library format to be used when creating
///             or writing objects.
///\param       libver_low  - IN: Earliest version of the library that will be
///                               used for creating or writing objects
///\param       libver_high - IN: Latest version of the library that will be
///\exception   H5::PropListIException
///\par Description
///             Valid values of \a libver_low are as follows:
///             \li \c H5F_LIBVER_EARLIEST   (Default)
///             \li \c H5F_LIBVER_18
///             \li \c H5F_LIBVER_110
///             \li \c H5F_LIBVER_112
///             \li \c H5F_LIBVER_114
///             \li \c H5F_LIBVER_LATEST
///
///             Valid values of \a libver_high are as follows:
///             \li \c H5F_LIBVER_18
///             \li \c H5F_LIBVER_110
///             \li \c H5F_LIBVER_112
///             \li \c H5F_LIBVER_114
///             \li \c H5F_LIBVER_LATEST   (Default)
///
///             For more detail, please refer to the H5Pset_libver_bounds API in
///             the HDF5 C Reference Manual.
//--------------------------------------------------------------------------
void
FileAccPropList::setLibverBounds(H5F_libver_t libver_low, H5F_libver_t libver_high) const
{
    herr_t ret_value = H5Pset_libver_bounds(id, libver_low, libver_high);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::setLibverBounds", "H5Pset_libver_bounds failed");
    }
}

//--------------------------------------------------------------------------
// Function:    FileAccPropList::getLibverBounds
///\brief       Gets the current settings for the library version format bounds
///             from a file access property list.
///\param       libver_low  - OUT: Earliest version of the library that will be
///                                used for creating or writing objects
///\param       libver_high - OUT: Latest version of the library that will be
///                                used for creating or writing objects
///\exception   H5::PropListIException
///\par Description
///             On success, the argument \a libver_low can have the following
///             values:
///             \li \c H5F_LIBVER_EARLIEST
///             \li \c H5F_LIBVER_18
///             \li \c H5F_LIBVER_110
///             \li \c H5F_LIBVER_112
///             \li \c H5F_LIBVER_114
///             \li \c H5F_LIBVER_LATEST
///
///             and \a libver_high:
///             \li \c H5F_LIBVER_18
///             \li \c H5F_LIBVER_110
///             \li \c H5F_LIBVER_112
///             \li \c H5F_LIBVER_114
///             \li \c H5F_LIBVER_LATEST
//--------------------------------------------------------------------------
void
FileAccPropList::getLibverBounds(H5F_libver_t &libver_low, H5F_libver_t &libver_high) const
{
    herr_t ret_value = H5Pget_libver_bounds(id, &libver_low, &libver_high);
    if (ret_value < 0) {
        throw PropListIException("FileAccPropList::getLibverBounds", "H5Pget_libver_bounds failed");
    }
}

} // namespace H5