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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #pragma once
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23
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24 #include "ICommand.h"
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25
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26 #include <list>
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27 #include <cstddef>
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28
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29 namespace Orthanc
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30 {
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31 class BagOfTasks : public boost::noncopyable
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32 {
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33 private:
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34 typedef std::list<ICommand*> Tasks;
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35
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36 Tasks tasks_;
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37
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38 public:
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39 ~BagOfTasks()
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40 {
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41 for (Tasks::iterator it = tasks_.begin(); it != tasks_.end(); ++it)
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42 {
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43 delete *it;
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44 }
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45 }
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46
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47 ICommand* Pop()
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48 {
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49 ICommand* task = tasks_.front();
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50 tasks_.pop_front();
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51 return task;
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52 }
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53
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54 void Push(ICommand* task) // Takes ownership
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55 {
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56 if (task != NULL)
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57 {
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58 tasks_.push_back(task);
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59 }
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60 }
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61
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62 size_t GetSize() const
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63 {
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64 return tasks_.size();
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65 }
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66
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67 bool IsEmpty() const
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68 {
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69 return tasks_.empty();
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70 }
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71 };
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72 }
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