Mercurial > hg > orthanc-stone
diff Framework/Messages/MessageForwarder.h @ 300:b4abaeb783b1 am-callable-and-promise
messaging refactoring almost complete: works fine in native
author | am@osimis.io |
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date | Tue, 18 Sep 2018 15:23:21 +0200 |
parents | |
children | 4a79193ffb58 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Messages/MessageForwarder.h Tue Sep 18 15:23:21 2018 +0200 @@ -0,0 +1,53 @@ +/** + * 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/>. + **/ + + +#pragma once + +#include "ICallable.h" +#include "IObservable.h" +#include "IObserver.h" + +#include <boost/noncopyable.hpp> + +namespace OrthancStone { + + + template<typename TMessage> + class MessageForwarder : public IObserver, public Callable<MessageForwarder<TMessage>, TMessage> + { + IObservable& observable_; + public: + MessageForwarder(MessageBroker& broker, + IObservable& observable // the object that will emit the forwarded message + ) + : IObserver(broker), + Callable<MessageForwarder<TMessage>, TMessage>(*this, &MessageForwarder::ForwardMessage), + observable_(observable) + { + } + + protected: + void ForwardMessage(const TMessage& message) + { + observable_.EmitMessage(message); + } + }; +}