Mercurial > hg > orthanc-stone
view Framework/Messages/IMessage.h @ 1132:58799b7317fa
merge
author | Alain Mazy <alain@mazy.be> |
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date | Wed, 06 Nov 2019 10:47:05 +0100 |
parents | f0008c55e5f7 |
children | e713f1a99861 2d8ab34c8c91 |
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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 <boost/noncopyable.hpp> #include <string.h> namespace OrthancStone { class MessageIdentifier { private: const char* file_; int line_; public: MessageIdentifier(const char* file, int line) : file_(file), line_(line) { } MessageIdentifier() : file_(NULL), line_(0) { } bool operator< (const MessageIdentifier& other) const { if (file_ == NULL) { return false; } else if (line_ != other.line_) { return line_ < other.line_; } else { return strcmp(file_, other.file_) < 0; } } }; /** * Base messages that are exchanged between IObservable and * IObserver. Messages are distinguished by the "__FILE__" and * "__LINE__" macro, as in "Orthanc::SQLite::StatementId". **/ class IMessage : public boost::noncopyable { public: virtual ~IMessage() { } virtual const MessageIdentifier& GetIdentifier() const = 0; }; /** * Simple message implementation when no payload is needed but the * origin is required. Sample usage: * typedef OriginMessage<OrthancSlicesLoader> SliceGeometryErrorMessage; **/ template <typename TOrigin> class OriginMessage : public IMessage { private: const TOrigin& origin_; public: OriginMessage(const TOrigin& origin) : origin_(origin) { } const TOrigin& GetOrigin() const { return origin_; } }; } #define ORTHANC_STONE_MESSAGE(FILE, LINE) \ public: \ static const ::OrthancStone::MessageIdentifier& GetStaticIdentifier() \ { \ static const ::OrthancStone::MessageIdentifier id(FILE, LINE); \ return id; \ } \ \ virtual const ::OrthancStone::MessageIdentifier& GetIdentifier() const \ { \ return GetStaticIdentifier(); \ } #define ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(FILE, LINE, NAME, ORIGIN) \ class NAME : public ::OrthancStone::OriginMessage<ORIGIN> \ { \ ORTHANC_STONE_MESSAGE(FILE, LINE); \ \ NAME(const ORIGIN& origin) : \ OriginMessage(origin) \ { \ } \ }; #define ORTHANC_STONE_DEFINE_EMPTY_MESSAGE(FILE, LINE, NAME) \ class NAME : public ::OrthancStone::IMessage \ { \ ORTHANC_STONE_MESSAGE(FILE, LINE); \ };