Mercurial > hg > orthanc-stone
diff Framework/Messages/IObservable.cpp @ 403:99e31898910e
IObservable.cpp
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sun, 11 Nov 2018 12:13:31 +0100 |
parents | |
children | 751fb354149e b70e9be013e4 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Messages/IObservable.cpp Sun Nov 11 12:13:31 2018 +0100 @@ -0,0 +1,96 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2018 Osimis S.A., Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU Affero General Public License + * as published by the Free Software Foundation, either version 3 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "IObservable.h" + +#include <Core/OrthancException.h> + +#include <cassert> + +namespace OrthancStone +{ + IObservable::~IObservable() + { + // delete all callables (this will also unregister them from the broker) + for (Callables::const_iterator it = callables_.begin(); + it != callables_.end(); ++it) + { + for (std::set<ICallable*>::const_iterator + it2 = it->second.begin(); it2 != it->second.end(); ++it2) + { + delete *it2; + } + } + + // unregister the forwarders but don't delete them (they'll be + // deleted by the observable they are observing as any other + // callable) + for (Forwarders::iterator it = forwarders_.begin(); + it != forwarders_.end(); ++it) + { + IMessageForwarder* fw = *it; + broker_.Unregister(dynamic_cast<IObserver&>(*fw)); + } + } + + + void IObservable::RegisterObserverCallback(ICallable* callable) + { + if (callable == NULL) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); + } + + MessageType messageType = callable->GetMessageType(); + + callables_[messageType].insert(callable); + } + + + void IObservable::EmitMessage(const IMessage& message) + { + Callables::const_iterator found = callables_.find(message.GetType()); + + if (found != callables_.end()) + { + for (std::set<ICallable*>::const_iterator + it = found->second.begin(); it != found->second.end(); ++it) + { + assert(*it != NULL); + if (broker_.IsActive(*(*it)->GetObserver())) + { + (*it)->Apply(message); + } + } + } + } + + + void IObservable::RegisterForwarder(IMessageForwarder* forwarder) + { + if (forwarder == NULL) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); + } + + forwarders_.insert(forwarder); + } +}