Mercurial > hg > orthanc-stone
view OrthancStone/Sources/Messages/IObservable.cpp @ 1995:f2a094fa8c33
updated TODO
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 01 Nov 2022 19:04:34 +0100 |
parents | 7053b8a0aaec |
children | 07964689cb0b |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2022 Osimis S.A., Belgium * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/>. **/ #include "IObservable.h" #include "../StoneException.h" #include <Logging.h> #include <cassert> #include <stdexcept> 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; } } } void IObservable::RegisterCallable(ICallable* callable) { if (callable == NULL) { throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); } const MessageIdentifier& id = callable->GetMessageIdentifier(); callables_[id].insert(callable); } void IObservable::EmitMessageInternal(const IObserver* receiver, const IMessage& message) { //LOG(TRACE) << "IObservable::EmitMessageInternal receiver = " << std::hex << receiver << std::dec; Callables::const_iterator found = callables_.find(message.GetIdentifier()); if (found != callables_.end()) { for (std::set<ICallable*>::const_iterator it = found->second.begin(); it != found->second.end(); ++it) { assert(*it != NULL); boost::shared_ptr<IObserver> observer((*it)->GetObserver().lock()); if (observer) { if (receiver == NULL || // Are we broadcasting? observer.get() == receiver) // Not broadcasting, but this is the receiver { try { (*it)->Apply(message); } catch (Orthanc::OrthancException& e) { LOG(ERROR) << "Exception on callable: " << e.What(); } catch (StoneException& e) { LOG(ERROR) << "Exception on callable: " << e.What(); } catch (std::exception& e) { LOG(ERROR) << "C++ exception on callable: " << e.what(); } catch (...) { LOG(ERROR) << "Native exception on callable"; } } } else { // TODO => Remove "it" from the list of callables => This // allows to suppress the need for "Unregister()" } } } } void IObservable::BroadcastMessage(const IMessage& message) { EmitMessageInternal(NULL, message); } void IObservable::EmitMessage(boost::weak_ptr<IObserver> observer, const IMessage& message) { //LOG(TRACE) << "IObservable::EmitMessage observer = " << std::hex << observer.get() << std::dec; boost::shared_ptr<IObserver> lock(observer.lock()); if (lock) { EmitMessageInternal(lock.get(), message); } } }