openPMD-api
ChunkInfo.hpp
1 /* Copyright 2020-2021 Franz Poeschel
2  *
3  * This file is part of openPMD-api.
4  *
5  * openPMD-api is free software: you can redistribute it and/or modify
6  * it under the terms of of either the GNU General Public License or
7  * the GNU Lesser General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * openPMD-api is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License and the GNU Lesser General Public License
15  * for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * and the GNU Lesser General Public License along with openPMD-api.
19  * If not, see <http://www.gnu.org/licenses/>.
20  */
21 #pragma once
22 
23 #include "openPMD/Dataset.hpp" // Offset, Extent
24 
25 #include <vector>
26 
27 
28 namespace openPMD
29 {
35 struct ChunkInfo
36 {
37  Offset offset;
38  Extent extent;
39 
40  /*
41  * If rank is smaller than zero, will be converted to zero.
42  */
43  explicit ChunkInfo() = default;
44  ChunkInfo( Offset, Extent );
45 
46  bool
47  operator==( ChunkInfo const & other ) const;
48 };
49 
64 {
65  unsigned int sourceID = 0;
66 
67  explicit WrittenChunkInfo() = default;
68  /*
69  * If rank is smaller than zero, will be converted to zero.
70  */
71  WrittenChunkInfo( Offset, Extent, int sourceID );
72  WrittenChunkInfo( Offset, Extent );
73 
74  bool
75  operator==( WrittenChunkInfo const & other ) const;
76 };
77 
78 using ChunkTable = std::vector< WrittenChunkInfo >;
79 } // namespace openPMD
openPMD::ChunkInfo::extent
Extent extent
size of the chunk
Definition: ChunkInfo.hpp:38
openPMD::ChunkInfo
Represents the meta info around a chunk in a dataset.
Definition: ChunkInfo.hpp:35
openPMD::WrittenChunkInfo::sourceID
unsigned int sourceID
ID of the data source containing the chunk.
Definition: ChunkInfo.hpp:65
openPMD
Public definitions of openPMD-api.
Definition: Date.cpp:29
openPMD::ChunkInfo::offset
Offset offset
origin of the chunk
Definition: ChunkInfo.hpp:37
openPMD::WrittenChunkInfo
Represents the meta info around a chunk that has been written by some data producing application.
Definition: ChunkInfo.hpp:63