1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* 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 "H5DataSpace.h"
#include "H5PropList.h"
#include "H5LaccProp.h"
#include "H5DaccProp.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
DSetAccPropList* DSetAccPropList::DEFAULT_ = 0;
//--------------------------------------------------------------------------
// Function: DSetAccPropList::getConstant
// Purpose: Creates a DSetAccPropList object representing the HDF5
// constant H5P_DATASET_ACCESS, pointed to by
// DSetAccPropList::DEFAULT_
// exception H5::PropListIException
// Description
// If DSetAccPropList::DEFAULT_ already points to an allocated
// object, throw a PropListIException. This scenario should
// not happen.
// Programmer Binh-Minh Ribler - 2015
//--------------------------------------------------------------------------
DSetAccPropList* DSetAccPropList::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 DSetAccPropList(H5P_DATASET_ACCESS);
else
throw PropListIException("DSetAccPropList::getConstant", "DSetAccPropList::getConstant is being invoked on an allocated DEFAULT_");
return(DEFAULT_);
}
//--------------------------------------------------------------------------
// Function: DSetAccPropList::deleteConstants
// Purpose: Deletes the constant object that DSetAccPropList::DEFAULT_
// points to.
// Programmer Binh-Minh Ribler - 2015
//--------------------------------------------------------------------------
void DSetAccPropList::deleteConstants()
{
if (DEFAULT_ != 0)
delete DEFAULT_;
}
//--------------------------------------------------------------------------
// Purpose Constant for dataset creation default property
//--------------------------------------------------------------------------
const DSetAccPropList& DSetAccPropList::DEFAULT = *getConstant();
#endif // DOXYGEN_SHOULD_SKIP_THIS
//--------------------------------------------------------------------------
// Function: DSetAccPropList default constructor
///\brief Default constructor: creates a stub dataset creation property list
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
DSetAccPropList::DSetAccPropList() : LinkAccPropList(H5P_DATASET_ACCESS) {}
//--------------------------------------------------------------------------
// Function: DSetAccPropList copy constructor
///\brief Copy constructor: same HDF5 object as \a original
/// DSetAccPropList object
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
DSetAccPropList::DSetAccPropList(const DSetAccPropList& orig) : LinkAccPropList(orig) {}
//--------------------------------------------------------------------------
// Function: DSetAccPropList overloaded constructor
///\brief Creates a DSetAccPropList object using the id of an
/// existing dataset creation property list.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
DSetAccPropList::DSetAccPropList(const hid_t plist_id) : LinkAccPropList(plist_id) {}
//--------------------------------------------------------------------------
// Function: DSetAccPropList::setChunkCache
///\brief Sets the raw data chunk cache parameters.
///\param rdcc_nslots - IN: Number of chunk slots in the raw data chunk cache
///\param rdcc_nbytes - IN: Total size of the raw data chunk cache
///\param rdcc_w0 - IN: The chunk preemption policy for this dataset
///\exception H5::PropListIException
///\par Description
/// The raw data chunk cache parameters includes the number of
/// objects in the meta data cache and the maximum number of
/// chunks and bytes in the raw data chunk cache. Once set,
/// these values will override the values in the file access
/// property list.
///
/// For information, please refer to the H5Pset_chunk_cache API in
/// the HDF5 C Reference Manual.
// July 2018
//--------------------------------------------------------------------------
void DSetAccPropList::setChunkCache(size_t rdcc_nslots, size_t rdcc_nbytes, double rdcc_w0) const
{
herr_t ret_value = H5Pset_chunk_cache(id, rdcc_nslots, rdcc_nbytes, rdcc_w0);
if (ret_value < 0)
{
throw PropListIException("DSetAccPropList::setChunkCache", "H5Pset_chunk_cache failed");
}
}
//--------------------------------------------------------------------------
// Function: DSetAccPropList::getChunkCache
///\brief Retrieves the raw data chunk cache parameters.
///\param rdcc_nslots - OUT: Number of chunk slots in the raw data chunk cache
///\param rdcc_nbytes - OUT: Total size of the raw data chunk cache
///\param rdcc_w0 - OUT: The chunk preemption policy for this dataset
///\exception H5::PropListIException
///\par Description
/// For information, please refer to the H5Pget_chunk_cache API in
/// the HDF5 C Reference Manual.
// July 2018
//--------------------------------------------------------------------------
void DSetAccPropList::getChunkCache(size_t &rdcc_nslots, size_t &rdcc_nbytes, double &rdcc_w0) const
{
herr_t ret_value = H5Pget_chunk_cache(id, &rdcc_nslots, &rdcc_nbytes, &rdcc_w0);
if (ret_value < 0)
{
throw PropListIException("DSetAccPropList::getChunkCache", "H5Pget_chunk_cache failed");
}
}
//--------------------------------------------------------------------------
// Function: DSetAccPropList destructor
///\brief Noop destructor.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
DSetAccPropList::~DSetAccPropList() {}
} // end namespace
|
