Mercurial > hg > orthanc-stone
annotate Framework/Messages/IObservable.cpp @ 643:f0008c55e5f7
getting rid of MessageType enumeration
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 10 May 2019 17:34:48 +0200 |
| parents | 42dadae61fa9 |
| children | 38409549db43 |
| rev | line source |
|---|---|
| 403 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 439 | 5 * Copyright (C) 2017-2019 Osimis S.A., Belgium |
| 403 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Affero General Public License | |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "IObservable.h" | |
| 23 | |
| 24 #include <Core/OrthancException.h> | |
| 25 | |
| 26 #include <cassert> | |
| 27 | |
| 28 namespace OrthancStone | |
| 29 { | |
| 30 IObservable::~IObservable() | |
| 31 { | |
| 32 // delete all callables (this will also unregister them from the broker) | |
| 33 for (Callables::const_iterator it = callables_.begin(); | |
| 34 it != callables_.end(); ++it) | |
| 35 { | |
| 36 for (std::set<ICallable*>::const_iterator | |
| 37 it2 = it->second.begin(); it2 != it->second.end(); ++it2) | |
| 38 { | |
| 39 delete *it2; | |
| 40 } | |
| 41 } | |
| 42 | |
| 43 // unregister the forwarders but don't delete them (they'll be | |
| 44 // deleted by the observable they are observing as any other | |
| 45 // callable) | |
| 46 for (Forwarders::iterator it = forwarders_.begin(); | |
| 47 it != forwarders_.end(); ++it) | |
| 48 { | |
| 49 IMessageForwarder* fw = *it; | |
| 50 broker_.Unregister(dynamic_cast<IObserver&>(*fw)); | |
| 51 } | |
| 52 } | |
| 53 | |
| 54 | |
| 55 void IObservable::RegisterObserverCallback(ICallable* callable) | |
| 56 { | |
| 57 if (callable == NULL) | |
| 58 { | |
| 59 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 60 } | |
| 61 | |
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62 const MessageIdentifier& id = callable->GetMessageIdentifier(); |
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63 callables_[id].insert(callable); |
| 403 | 64 } |
| 65 | |
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66 void IObservable::Unregister(IObserver *observer) |
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67 { |
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68 // delete all callables from this observer |
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69 for (Callables::iterator itCallableSet = callables_.begin(); |
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70 itCallableSet != callables_.end(); ++itCallableSet) |
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71 { |
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72 for (std::set<ICallable*>::const_iterator |
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73 itCallable = itCallableSet->second.begin(); itCallable != itCallableSet->second.end(); ) |
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74 { |
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75 if ((*itCallable)->GetObserver() == observer) |
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76 { |
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77 delete *itCallable; |
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78 itCallableSet->second.erase(itCallable++); |
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79 } |
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80 else |
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81 ++itCallable; |
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82 } |
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83 } |
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84 } |
| 403 | 85 |
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86 void IObservable::EmitMessageInternal(const IObserver* receiver, |
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87 const IMessage& message) |
| 403 | 88 { |
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89 Callables::const_iterator found = callables_.find(message.GetIdentifier()); |
| 403 | 90 |
| 91 if (found != callables_.end()) | |
| 92 { | |
| 93 for (std::set<ICallable*>::const_iterator | |
| 94 it = found->second.begin(); it != found->second.end(); ++it) | |
| 95 { | |
| 96 assert(*it != NULL); | |
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97 |
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98 const IObserver* observer = (*it)->GetObserver(); |
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99 if (broker_.IsActive(*observer)) |
| 403 | 100 { |
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101 if (receiver == NULL || // Are we broadcasting? |
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102 observer == receiver) // Not broadcasting, but this is the receiver |
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103 { |
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104 (*it)->Apply(message); |
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105 } |
| 403 | 106 } |
| 107 } | |
| 108 } | |
| 109 } | |
| 110 | |
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111 |
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112 void IObservable::BroadcastMessage(const IMessage& message) |
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113 { |
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114 EmitMessageInternal(NULL, message); |
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115 } |
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116 |
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117 |
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118 void IObservable::EmitMessage(const IObserver& observer, |
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119 const IMessage& message) |
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120 { |
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121 EmitMessageInternal(&observer, message); |
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122 } |
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123 |
| 403 | 124 |
| 125 void IObservable::RegisterForwarder(IMessageForwarder* forwarder) | |
| 126 { | |
| 127 if (forwarder == NULL) | |
| 128 { | |
| 129 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 130 } | |
| 131 | |
| 132 forwarders_.insert(forwarder); | |
| 133 } | |
| 134 } |