Mercurial > hg > orthanc-stone
annotate Framework/Messages/ObserverBase.h @ 1302:d6d56df61715 broker
integration mainline->broker
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 02 Mar 2020 18:30:04 +0100 |
parents | 0ca50d275b9a |
children | 30deba7bc8e2 |
rev | line source |
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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) 2017-2020 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 "ICallable.h" |
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25 #include "IObserver.h" |
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26 #include "IObservable.h" |
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27 |
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28 #include <Core/OrthancException.h> |
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29 |
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30 #include <boost/enable_shared_from_this.hpp> |
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31 |
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32 namespace OrthancStone |
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33 { |
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34 template <typename TObserver> |
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35 class ObserverBase : |
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36 public IObserver, |
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37 public boost::enable_shared_from_this<TObserver> |
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38 { |
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39 public: |
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40 boost::shared_ptr<TObserver> GetSharedObserver() |
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41 { |
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42 try |
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43 { |
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44 return this->shared_from_this(); |
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45 } |
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46 catch (boost::bad_weak_ptr&) |
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47 { |
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48 throw Orthanc::OrthancException( |
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49 Orthanc::ErrorCode_InternalError, |
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50 "Cannot get a shared pointer to an observer from its constructor, " |
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51 "or the observer is not created as a shared pointer"); |
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52 } |
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53 } |
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54 |
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55 template <typename TMessage> |
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56 ICallable* CreateCallable(void (TObserver::* MemberMethod) (const TMessage&)) |
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57 { |
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58 return new Callable<TObserver, TMessage>(GetSharedObserver(), MemberMethod); |
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59 } |
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60 |
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61 template <typename TMessage> |
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62 void Register(IObservable& observable, |
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63 void (TObserver::* MemberMethod) (const TMessage&)) |
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64 { |
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65 observable.RegisterCallable(CreateCallable(MemberMethod)); |
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66 } |
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67 }; |
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68 } |