Mercurial > hg > orthanc-stone

annotate Framework/Toolbox/ObserversRegistry.h @ 194:7a031ac16b2d wasm

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rename Enumerations.h to StoneEnumerations.h to avoid clashes with Orthanc
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 20 Mar 2018 14:46:58 +0100
parents e2fe9352f240
children fccffbf99ba1
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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) 2017-2018 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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21
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22 #pragma once
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23
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24 #include <Core/OrthancException.h>
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26 #include <boost/noncopyable.hpp>
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27 #include <set>
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29 namespace OrthancStone
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30 {
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31 template <
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32 typename Source,
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33 typename Observer = typename Source::IObserver
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34 >
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35 class ObserversRegistry : public boost::noncopyable
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36 {
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37 private:
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38 typedef std::set<Observer*> Observers;
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39
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40 Observers observers_;
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42 public:
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43 template <typename Functor>
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44 void Notify(const Source& source,
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45 Functor& functor)
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46 {
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47 for (typename Observers::const_iterator observer = observers_.begin();
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48 observer != observers_.end(); ++observer)
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49 {
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50 functor(**observer, source);
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51 }
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52 }
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54 void Register(Observer& observer)
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55 {
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56 observers_.insert(&observer);
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57 }
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59 void Unregister(Observer& observer)
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60 {
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61 observers_.erase(&observer);
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62 }
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64 bool IsEmpty()
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65 {
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66 return observers_.empty();
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67 }
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68
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69 void Apply(const Source& source,
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70 void (Observer::*method) (const Source&))
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71 {
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72 for (typename Observers::const_iterator it = observers_.begin();
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73 it != observers_.end(); ++it)
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74 {
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75 ((*it)->*method) (source);
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76 }
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77 }
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79 template <typename Argument0>
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80 void Apply(const Source& source,
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81 void (Observer::*method) (const Source&, const Argument0&),
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82 const Argument0& argument0)
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83 {
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84 for (typename Observers::const_iterator it = observers_.begin();
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85 it != observers_.end(); ++it)
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86 {
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87 ((*it)->*method) (source, argument0);
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88 }
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89 }
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91 template <typename Argument0,
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92 typename Argument1>
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93 void Apply(const Source& source,
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94 void (Observer::*method) (const Source&, const Argument0&, const Argument1&),
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95 const Argument0& argument0,
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96 const Argument1& argument1)
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97 {
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98 for (typename Observers::const_iterator it = observers_.begin();
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99 it != observers_.end(); ++it)
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100 {
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101 ((*it)->*method) (source, argument0, argument1);
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102 }
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103 }
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104 };
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105 }