Mercurial > hg > orthanc-stone
diff OrthancStone/Sources/Messages/ICallable.h @ 1512:244ad1e4e76a
reorganization of folders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Tue, 07 Jul 2020 16:21:02 +0200 |
parents | Framework/Messages/ICallable.h@30deba7bc8e2 |
children | 8563ea5d8ae4 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancStone/Sources/Messages/ICallable.h Tue Jul 07 16:21:02 2020 +0200 @@ -0,0 +1,95 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2020 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 "IMessage.h" +#include "IObserver.h" + +#include <Logging.h> + +#include <boost/noncopyable.hpp> +#include <boost/weak_ptr.hpp> + +#include <string> +#include <stdint.h> + +namespace OrthancStone +{ + // This is referencing an object and member function that can be notified + // by an IObservable. The object must derive from IO + // The member functions must be of type "void Method(const IMessage& message)" or reference a derived class of IMessage + class ICallable : public boost::noncopyable + { + public: + virtual ~ICallable() + { + } + + virtual void Apply(const IMessage& message) = 0; + + virtual const MessageIdentifier& GetMessageIdentifier() = 0; + + // TODO - Is this needed? + virtual boost::weak_ptr<IObserver> GetObserver() const = 0; + }; + + + template <typename TObserver, + typename TMessage> + class Callable : public ICallable + { + private: + typedef void (TObserver::* MemberMethod) (const TMessage&); + + boost::weak_ptr<IObserver> observer_; + MemberMethod function_; + + public: + Callable(boost::shared_ptr<TObserver> observer, + MemberMethod function) : + observer_(observer), + function_(function) + { + } + + virtual void Apply(const IMessage& message) + { + boost::shared_ptr<IObserver> lock(observer_); + if (lock) + { + TObserver& observer = dynamic_cast<TObserver&>(*lock); + const TMessage& typedMessage = dynamic_cast<const TMessage&>(message); + (observer.*function_) (typedMessage); + } + } + + virtual const MessageIdentifier& GetMessageIdentifier() + { + return TMessage::GetStaticIdentifier(); + } + + virtual boost::weak_ptr<IObserver> GetObserver() const + { + return observer_; + } + }; +}