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comparison Resources/Graveyard/Multithreading/BagOfTasks.h @ 2610:3ff4c50647ea jobs

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moving the old scheduler to the graveyard
author Sebastien Jodogne <s.jodogne@gmail.com>
date Sat, 19 May 2018 16:40:26 +0200
parents Resources/Graveyard/BagOfTasks.h@3caca43371f5
children 4e43e67f8ecf
comparison
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2609:f7a84b551ee4 2610:3ff4c50647ea
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2018 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
11 *
12 * In addition, as a special exception, the copyright holders of this
13 * program give permission to link the code of its release with the
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
15 * that use the same license as the "OpenSSL" library), and distribute
16 * the linked executables. You must obey the GNU General Public License
17 * in all respects for all of the code used other than "OpenSSL". If you
18 * modify file(s) with this exception, you may extend this exception to
19 * your version of the file(s), but you are not obligated to do so. If
20 * you do not wish to do so, delete this exception statement from your
21 * version. If you delete this exception statement from all source files
22 * in the program, then also delete it here.
23 *
24 * This program is distributed in the hope that it will be useful, but
25 * WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
27 * General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
31 **/
32
33
34 #pragma once
35
36 #include "../ICommand.h"
37
38 #include <list>
39 #include <cstddef>
40
41 namespace Orthanc
42 {
43 class BagOfTasks : public boost::noncopyable
44 {
45 private:
46 typedef std::list<ICommand*> Tasks;
47
48 Tasks tasks_;
49
50 public:
51 ~BagOfTasks()
52 {
53 for (Tasks::iterator it = tasks_.begin(); it != tasks_.end(); ++it)
54 {
55 delete *it;
56 }
57 }
58
59 ICommand* Pop()
60 {
61 ICommand* task = tasks_.front();
62 tasks_.pop_front();
63 return task;
64 }
65
66 void Push(ICommand* task) // Takes ownership
67 {
68 if (task != NULL)
69 {
70 tasks_.push_back(task);
71 }
72 }
73
74 size_t GetSize() const
75 {
76 return tasks_.size();
77 }
78
79 bool IsEmpty() const
80 {
81 return tasks_.empty();
82 }
83 };
84 }