Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Messages/ObserverBase.h @ 1903:c7bc9e1776a6
fix rendering of RT sample
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 31 Jan 2022 18:00:10 +0100 |
parents | 7053b8a0aaec |
children | 07964689cb0b |
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1 /** |
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2 * Stone of Orthanc |
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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) 2017-2022 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
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7 * |
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8 * This program is free software: you can redistribute it and/or |
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9 * modify it under the terms of the GNU Lesser General Public License |
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10 * as published by the Free Software Foundation, either version 3 of |
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11 * the License, or (at your option) any later version. |
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12 * |
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13 * This program is distributed in the hope that it will be useful, but |
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 * Lesser General Public License for more details. |
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17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with this program. If not, see |
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20 * <http://www.gnu.org/licenses/>. |
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21 **/ |
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22 |
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23 |
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24 #pragma once |
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25 |
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26 #include "ICallable.h" |
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27 #include "IObserver.h" |
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28 #include "IObservable.h" |
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29 |
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30 #include <OrthancException.h> |
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31 |
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32 #include <boost/enable_shared_from_this.hpp> |
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33 |
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34 namespace OrthancStone |
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35 { |
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36 template <typename TObserver> |
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37 class ObserverBase : |
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38 public IObserver, |
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39 public boost::enable_shared_from_this<TObserver> |
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40 { |
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41 public: |
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42 boost::shared_ptr<TObserver> GetSharedObserver() |
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43 { |
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44 try |
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45 { |
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46 return this->shared_from_this(); |
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47 } |
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48 catch (boost::bad_weak_ptr&) |
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49 { |
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50 throw Orthanc::OrthancException( |
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51 Orthanc::ErrorCode_InternalError, |
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52 "Cannot get a shared pointer to an observer from its constructor, " |
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53 "or the observer is not created as a shared pointer"); |
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54 } |
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55 } |
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56 |
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57 template <typename TMessage> |
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58 ICallable* CreateCallable(void (TObserver::* MemberMethod) (const TMessage&)) |
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59 { |
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60 return new Callable<TObserver, TMessage>(GetSharedObserver(), MemberMethod); |
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61 } |
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62 |
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63 template <typename TMessage> |
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64 void Register(IObservable& observable, |
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65 void (TObserver::* MemberMethod) (const TMessage&)) |
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66 { |
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67 observable.RegisterCallable(CreateCallable(MemberMethod)); |
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68 } |
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69 }; |
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70 } |