Mercurial > hg > orthanc-stone
comparison OrthancStone/Sources/Messages/ObserverBase.h @ 1512:244ad1e4e76a
reorganization of folders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 07 Jul 2020 16:21:02 +0200 |
parents | Framework/Messages/ObserverBase.h@30deba7bc8e2 |
children | 8563ea5d8ae4 |
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1511:9dfeee74c1e6 | 1512:244ad1e4e76a |
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1 /** | |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium | |
6 * | |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
22 #pragma once | |
23 | |
24 #include "ICallable.h" | |
25 #include "IObserver.h" | |
26 #include "IObservable.h" | |
27 | |
28 #include <OrthancException.h> | |
29 | |
30 #include <boost/enable_shared_from_this.hpp> | |
31 | |
32 namespace OrthancStone | |
33 { | |
34 template <typename TObserver> | |
35 class ObserverBase : | |
36 public IObserver, | |
37 public boost::enable_shared_from_this<TObserver> | |
38 { | |
39 public: | |
40 boost::shared_ptr<TObserver> GetSharedObserver() | |
41 { | |
42 try | |
43 { | |
44 return this->shared_from_this(); | |
45 } | |
46 catch (boost::bad_weak_ptr&) | |
47 { | |
48 throw Orthanc::OrthancException( | |
49 Orthanc::ErrorCode_InternalError, | |
50 "Cannot get a shared pointer to an observer from its constructor, " | |
51 "or the observer is not created as a shared pointer"); | |
52 } | |
53 } | |
54 | |
55 template <typename TMessage> | |
56 ICallable* CreateCallable(void (TObserver::* MemberMethod) (const TMessage&)) | |
57 { | |
58 return new Callable<TObserver, TMessage>(GetSharedObserver(), MemberMethod); | |
59 } | |
60 | |
61 template <typename TMessage> | |
62 void Register(IObservable& observable, | |
63 void (TObserver::* MemberMethod) (const TMessage&)) | |
64 { | |
65 observable.RegisterCallable(CreateCallable(MemberMethod)); | |
66 } | |
67 }; | |
68 } |