Mercurial > hg > orthanc-stone
view Framework/Messages/ObserverBase.h @ 1064:af4b9cba905f broker
simplify how observers are regsitered, and how callables are created
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 15 Oct 2019 13:46:01 +0200 |
parents | |
children | 9d42f89b8c3c |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2019 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/>. **/ #pragma once #include "ICallable.h" #include "IObserver.h" #include <Core/OrthancException.h> #include <boost/enable_shared_from_this.hpp> namespace OrthancStone { template <typename TObserver> class ObserverBase : public IObserver, public boost::enable_shared_from_this<TObserver> { public: boost::shared_ptr<TObserver> GetSharedObserver() { try { return this->shared_from_this(); } catch (boost::bad_weak_ptr&) { throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError, "Cannot get a shared pointer to an observer from a constructor"); } } template <typename TMessage> ICallable* CreateCallable(void (TObserver::* MemberMethod) (const TMessage&)) { return new Callable<TObserver, TMessage>(GetSharedObserver(), MemberMethod); } }; }