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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by the Board of Trustees of the University of Illinois. *
* 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 files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <string>
#include "H5Include.h"
#include "H5RefCounter.h"
#include "H5Exception.h"
#include "H5IdComponent.h"
#include "H5PropList.h"
#include "H5DxferProp.h"
#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif
const DSetMemXferPropList DSetMemXferPropList::DEFAULT( H5P_DEFAULT );
// Creates a dataset memory and transfer property list
DSetMemXferPropList::DSetMemXferPropList() : PropList( H5P_DATASET_XFER) {}
// Copy constructor: makes a copy of the original DSetMemXferPropList object;
DSetMemXferPropList::DSetMemXferPropList( const DSetMemXferPropList& orig ) : PropList( orig ) {}
#ifdef H5_WANT_H5_V1_4_COMPAT
// Sets type conversion and background buffers
void DSetMemXferPropList::setBuffer( hsize_t size, void* tconv, void* bkg ) const
{
herr_t ret_value = H5Pset_buffer( id, size, tconv, bkg );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::setBuffer",
"H5Pset_buffer failed");
}
}
// Reads buffer settings
hsize_t DSetMemXferPropList::getBuffer( void** tconv, void** bkg ) const
{
hsize_t buffer_size = H5Pget_buffer( id, tconv, bkg );
if( buffer_size == 0 )
{
throw PropListIException("DSetMemXferPropList::getBuffer",
"H5Pget_buffer returned 0 for buffer size - failure");
}
return( buffer_size );
}
#else /* H5_WANT_H5_V1_4_COMPAT */
// Sets type conversion and background buffers
void DSetMemXferPropList::setBuffer( size_t size, void* tconv, void* bkg ) const
{
herr_t ret_value = H5Pset_buffer( id, size, tconv, bkg );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::setBuffer",
"H5Pset_buffer failed");
}
}
// Reads buffer settings
size_t DSetMemXferPropList::getBuffer( void** tconv, void** bkg ) const
{
size_t buffer_size = H5Pget_buffer( id, tconv, bkg );
if( buffer_size == 0 )
{
throw PropListIException("DSetMemXferPropList::getBuffer",
"H5Pget_buffer returned 0 for buffer size - failure");
}
return( buffer_size );
}
#endif /* H5_WANT_H5_V1_4_COMPAT */
// Sets the dataset transfer property list status to TRUE or FALSE
void DSetMemXferPropList::setPreserve( bool status ) const
{
herr_t ret_value = H5Pset_preserve( id, (hbool_t) status );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::setPreserve",
"H5Pset_preserve failed");
}
}
// Checks status of the dataset transfer property list
bool DSetMemXferPropList::getPreserve() const
{
int ret_value = H5Pget_preserve( id );
if( ret_value > 0 )
return true;
else if( ret_value == 0 )
return false;
else
{
throw PropListIException("DSetMemXferPropList::getPreserve",
"H5Pget_preserve returned negative value for status");
}
}
#ifdef H5_WANT_H5_V1_4_COMPAT
// Indicates whether to cache hyperslab blocks during I/O
void DSetMemXferPropList::setHyperCache( bool cache, unsigned limit ) const
{
herr_t ret_value = H5Pset_hyper_cache( id, cache, limit );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::setHyperCache",
"H5Pset_hyper_cache failed");
}
}
// Returns information regarding the caching of hyperslab blocks during I/O
void DSetMemXferPropList::getHyperCache( bool& cache, unsigned& limit ) const
{
unsigned temp_cache; // C routine takes hid_t, unsigned*, unsigned*
herr_t ret_value = H5Pget_hyper_cache( id, &temp_cache, &limit );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::getHyperCache",
"H5Pget_hyper_cache failed");
}
if( temp_cache > 0 )
cache = true;
else
cache = false;
}
#endif /* H5_WANT_H5_V1_4_COMPAT */
// Sets B-tree split ratios for a dataset transfer property list
void DSetMemXferPropList::setBtreeRatios( double left, double middle, double right ) const
{
herr_t ret_value = H5Pset_btree_ratios( id, left, middle, right );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::setBtreeRatios",
"H5Pset_btree_ratios failed");
}
}
// Gets B-tree split ratios for a dataset transfer property list
void DSetMemXferPropList::getBtreeRatios( double& left, double& middle, double& right ) const
{
herr_t ret_value = H5Pget_btree_ratios( id, &left, &middle, &right );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::getBtreeRatios",
"H5Pget_btree_ratios failed");
}
}
// Sets the memory manager for variable-length datatype allocation
void DSetMemXferPropList::setVlenMemManager( H5MM_allocate_t alloc_func, void* alloc_info, H5MM_free_t free_func, void* free_info ) const
{
herr_t ret_value = H5Pset_vlen_mem_manager( id, alloc_func, alloc_info,
free_func, free_info );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::setVlenMemManager",
"H5Pset_vlen_mem_manager failed");
}
}
// alloc_func and free_func are set to NULL, indicating that system malloc and
// free are to be used
void DSetMemXferPropList::setVlenMemManager() const
{
setVlenMemManager( NULL, NULL, NULL, NULL );
//herr_t ret_value = H5Pset_vlen_mem_manager( id, NULL, NULL, NULL, NULL );
//if( ret_value < 0 )
//{
//throw PropListIException("DSetMemXferPropList::setVlenMemManager",
//"H5Pset_vlen_mem_manager failed");
//}
}
// Gets the memory manager for variable-length datatype allocation
void DSetMemXferPropList::getVlenMemManager( H5MM_allocate_t& alloc_func, void** alloc_info, H5MM_free_t& free_func, void** free_info ) const
{
herr_t ret_value = H5Pget_vlen_mem_manager( id, &alloc_func, alloc_info, &free_func, free_info );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::getVlenMemManager",
"H5Pget_vlen_mem_manager failed");
}
}
/* this function is in parallel mode only - not supported at this time.
// Sets the transfer mode
void DSetMemXferPropList::setXfer( H5D_transfer_t data_xfer_mode = H5D_XFER_INDEPENDENT ) const
{
herr_t ret_value = H5Pset_xfer( ... );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::setXfer",
"H5Pset_xfer failed");
}
}
// this function is in parallel mode only - not supported at this time.
// Gets the transfer mode
H5D_transfer_t DSetMemXferPropList::getXfer() const
{
H5D_transfer_t xfer = H5Pget_xfer( id );
// BMR - need to find out what the value is for ?? when this function
// is supported
if( xfer == ?? )
{
throw PropListIException("DSetMemXferPropList::getXfer",
"H5Pget_xfer failed");
}
return( xfer );
}
*/
// Default destructor
DSetMemXferPropList::~DSetMemXferPropList() {}
#ifndef H5_NO_NAMESPACE
} // end namespace
#endif
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