Mercurial > hg > orthanc-stone
annotate Framework/Messages/ICallable.h @ 1067:05b2e71ed145 broker
removed MessageForwarder, unit tests are ok
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 15 Oct 2019 18:11:40 +0200 |
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children | 008dbc4ceb62 |
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 |
439 | 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 "IMessage.h" |
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25 #include "IObserver.h" |
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26 |
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27 #include <Core/Logging.h> |
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28 |
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29 #include <boost/noncopyable.hpp> |
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30 #include <boost/weak_ptr.hpp> |
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31 |
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32 #include <string> |
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33 |
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34 namespace OrthancStone |
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35 { |
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36 // This is referencing an object and member function that can be notified |
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37 // by an IObservable. The object must derive from IO |
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38 // The member functions must be of type "void Method(const IMessage& message)" or reference a derived class of IMessage |
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39 class ICallable : public boost::noncopyable |
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40 { |
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41 public: |
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42 virtual ~ICallable() |
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43 { |
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44 } |
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45 |
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46 virtual void Apply(const IMessage& message) = 0; |
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47 |
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48 virtual const MessageIdentifier& GetMessageIdentifier() = 0; |
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49 |
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50 // TODO - Is this needed? |
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51 virtual boost::weak_ptr<IObserver> GetObserver() const = 0; |
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52 }; |
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53 |
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54 |
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55 // TODO - Remove this class |
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56 template <typename TMessage> |
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57 class MessageHandler : public ICallable |
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58 { |
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59 }; |
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60 |
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61 |
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62 template <typename TObserver, |
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63 typename TMessage> |
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64 class Callable : public MessageHandler<TMessage> |
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65 { |
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66 private: |
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67 typedef void (TObserver::* MemberMethod) (const TMessage&); |
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68 |
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69 boost::weak_ptr<IObserver> observer_; |
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70 MemberMethod function_; |
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71 |
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72 public: |
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73 Callable(boost::shared_ptr<TObserver> observer, |
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74 MemberMethod function) : |
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75 observer_(observer), |
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76 function_(function) |
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77 { |
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78 } |
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79 |
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80 virtual void Apply(const IMessage& message) |
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81 { |
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82 boost::shared_ptr<IObserver> lock(observer_); |
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83 if (lock) |
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84 { |
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85 TObserver& observer = dynamic_cast<TObserver&>(*lock); |
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86 const TMessage& typedMessage = dynamic_cast<const TMessage&>(message); |
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87 (observer.*function_) (typedMessage); |
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88 } |
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89 } |
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90 |
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91 virtual const MessageIdentifier& GetMessageIdentifier() |
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92 { |
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93 return TMessage::GetStaticIdentifier(); |
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94 } |
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95 |
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96 virtual boost::weak_ptr<IObserver> GetObserver() const |
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97 { |
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98 return observer_; |
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99 } |
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100 }; |
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101 |
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102 #if 0 /* __cplusplus >= 201103L*/ |
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103 |
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104 #include <functional> |
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105 |
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106 template <typename TMessage> |
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107 class LambdaCallable : public MessageHandler<TMessage> |
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108 { |
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109 private: |
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110 |
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111 IObserver& observer_; |
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112 std::function<void (const TMessage&)> lambda_; |
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113 |
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114 public: |
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115 LambdaCallable(IObserver& observer, |
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116 std::function<void (const TMessage&)> lambdaFunction) : |
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117 observer_(observer), |
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118 lambda_(lambdaFunction) |
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119 { |
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120 } |
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121 |
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122 virtual void Apply(const IMessage& message) |
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123 { |
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124 lambda_(dynamic_cast<const TMessage&>(message)); |
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125 } |
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126 |
b70fcc134ba4
moved LambdaCallable (currently still disable because it does not work in WASM)
Alain Mazy <alain@mazy.be>
parents:
439
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127 virtual IObserver* GetObserver() const |
b70fcc134ba4
moved LambdaCallable (currently still disable because it does not work in WASM)
Alain Mazy <alain@mazy.be>
parents:
439
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128 { |
b70fcc134ba4
moved LambdaCallable (currently still disable because it does not work in WASM)
Alain Mazy <alain@mazy.be>
parents:
439
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129 return &observer_; |
b70fcc134ba4
moved LambdaCallable (currently still disable because it does not work in WASM)
Alain Mazy <alain@mazy.be>
parents:
439
diff
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130 } |
b70fcc134ba4
moved LambdaCallable (currently still disable because it does not work in WASM)
Alain Mazy <alain@mazy.be>
parents:
439
diff
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131 }; |
b70fcc134ba4
moved LambdaCallable (currently still disable because it does not work in WASM)
Alain Mazy <alain@mazy.be>
parents:
439
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132 #endif //__cplusplus >= 201103L |
299
3897f9f28cfa
backup work in progress: updated messaging framework with ICallable
am@osimis.io
parents:
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133 } |