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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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 <string>
#include "H5Include.h"
#include "H5Exception.h"
#include "H5IdComponent.h"
#include "H5PropList.h"
#include "H5OcreatProp.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
ObjCreatPropList *ObjCreatPropList::DEFAULT_ = 0;
//--------------------------------------------------------------------------
// Function: ObjCreatPropList::getConstant
// Creates a ObjCreatPropList object representing the HDF5 constant
// H5P_FILE_ACCESS, pointed to by ObjCreatPropList::DEFAULT_
// exception H5::PropListIException
// Description
// If ObjCreatPropList::DEFAULT_ already points to an allocated
// object, throw a PropListIException. This scenario should not
// happen.
//--------------------------------------------------------------------------
ObjCreatPropList *
ObjCreatPropList::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 ObjCreatPropList(H5P_OBJECT_CREATE);
else
throw PropListIException("ObjCreatPropList::getConstant",
"ObjCreatPropList::getConstant is being invoked on an allocated DEFAULT_");
return (DEFAULT_);
}
//--------------------------------------------------------------------------
// Function: ObjCreatPropList::deleteConstants
// Purpose: Deletes the constant object that ObjCreatPropList::DEFAULT_
// points to.
// exception H5::PropListIException
//--------------------------------------------------------------------------
void
ObjCreatPropList::deleteConstants()
{
delete DEFAULT_;
}
//--------------------------------------------------------------------------
// Purpose: Constant for default property
//--------------------------------------------------------------------------
const ObjCreatPropList &ObjCreatPropList::DEFAULT = *getConstant();
#endif // DOXYGEN_SHOULD_SKIP_THIS
//--------------------------------------------------------------------------
// Function: Default Constructor
///\brief Creates a file access property list
//--------------------------------------------------------------------------
ObjCreatPropList::ObjCreatPropList() : PropList(H5P_OBJECT_CREATE)
{
}
//--------------------------------------------------------------------------
// Function: ObjCreatPropList copy constructor
///\brief Copy constructor: same HDF5 object as \a original
///\param original - IN: ObjCreatPropList instance to copy
//--------------------------------------------------------------------------
ObjCreatPropList::ObjCreatPropList(const ObjCreatPropList &original) : PropList(original)
{
}
//--------------------------------------------------------------------------
// Function: ObjCreatPropList overloaded constructor
///\brief Creates a file access property list using the id of an
/// existing one.
//--------------------------------------------------------------------------
ObjCreatPropList::ObjCreatPropList(const hid_t plist_id) : PropList(plist_id)
{
}
//--------------------------------------------------------------------------
// Function: ObjCreatPropList::setAttrPhaseChange
///\brief Sets attribute storage phase change thresholds.
///\param max_compact - IN: Maximum number of attributes to be stored in
/// compact storage. Default to 8
///\param min_dense - IN: Minimum number of attributes to be stored in
/// dense storage. Default to 6
///\exception H5::PropListIException
///\par Description
/// If \c max_compact is set to 0, dense storage will be used.
/// For more detail about on attribute storage, please refer to the
/// H5Pset_attr_phase_change API in the HDF5 C Reference Manual.
//--------------------------------------------------------------------------
void
ObjCreatPropList::setAttrPhaseChange(unsigned max_compact, unsigned min_dense) const
{
herr_t ret_value = H5Pset_attr_phase_change(id, max_compact, min_dense);
if (ret_value < 0) {
throw PropListIException("ObjCreatPropList::setAttrPhaseChange", "H5Pset_attr_phase_change failed");
}
}
//--------------------------------------------------------------------------
// Function: ObjCreatPropList::getAttrPhaseChange
///\brief Gets attribute storage phase change thresholds.
///\param max_compact - OUT: Maximum number of attributes to be stored in
/// compact storage.
///\param min_dense - OUT: Minimum number of attributes to be stored in
/// dense storage.
///\exception H5::PropListIException
///\par Description
/// If \c max_compact is set to 0, dense storage will be used.
/// For more detail about on attribute storage, please refer to the
/// H5Pget_attr_phase_change API in the HDF5 C Reference Manual.
//--------------------------------------------------------------------------
void
ObjCreatPropList::getAttrPhaseChange(unsigned &max_compact, unsigned &min_dense) const
{
herr_t ret_value;
ret_value = H5Pget_attr_phase_change(id, &max_compact, &min_dense);
if (ret_value < 0) {
throw PropListIException("ObjCreatPropList::getAttrPhaseChange", "H5Pget_attr_phase_change failed");
}
}
//--------------------------------------------------------------------------
// Function: ObjCreatPropList::setAttrCrtOrder
///\brief Set the flags for creation order of attributes on an object
///\param crt_order_flags - IN: Flags specifying whether to track and
/// index attribute creation order. Default: No flag set
///\exception H5::PropListIException
///\par Description
/// Valid flags are:
/// \li \c H5P_CRT_ORDER_TRACKED - Attribute creation order is tracked
/// \li \c H5P_CRT_ORDER_INDEXED - Attribute creation order is
/// indexed (requires H5P_CRT_ORDER_TRACKED).
/// When no flag is set, attribute creation order is neither
/// tracked not indexed. Note that HDF5 currently provides no
/// mechanism to turn on attribute creation order tracking at object
/// creation time and to build the index later.
/// For detail, please refer to the H5Pset_attr_creation_order API
/// in the HDF5 C Reference Manual.
//--------------------------------------------------------------------------
void
ObjCreatPropList::setAttrCrtOrder(unsigned crt_order_flags) const
{
herr_t ret_value = H5Pset_attr_creation_order(id, crt_order_flags);
if (ret_value < 0) {
throw PropListIException("ObjCreatPropList::setAttrCrtOrder", "H5Pset_attr_creation_order failed");
}
}
//--------------------------------------------------------------------------
// Function: ObjCreatPropList::getAttrCrtOrder
///\brief Returns the flags indicating creation order is tracked/indexed
/// for attributes on an object.
///\return The flags
///\exception H5::PropListIException
///\par Description
/// When no flag is set, i.e. crt_order_flags = 0, attribute
/// creation order is neither tracked not indexed.
/// For detail, please refer to the H5Pget_attr_creation_order API
/// in the HDF5 C Reference Manual.
//--------------------------------------------------------------------------
unsigned
ObjCreatPropList::getAttrCrtOrder() const
{
herr_t ret_value;
unsigned crt_order_flags = 0;
ret_value = H5Pget_attr_creation_order(id, &crt_order_flags);
if (ret_value < 0) {
throw PropListIException("ObjCreatPropList::getAttrCrtOrder", "H5Pget_attr_creation_order failed");
}
return (crt_order_flags);
}
//--------------------------------------------------------------------------
// Function: ObjCreatPropList destructor
///\brief Noop destructor
//--------------------------------------------------------------------------
ObjCreatPropList::~ObjCreatPropList()
{
}
} // namespace H5
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