Mercurial > hg > orthanc-stone
comparison Framework/Messages/ObserverBase.h @ 1064:af4b9cba905f broker
simplify how observers are regsitered, and how callables are created
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Tue, 15 Oct 2019 13:46:01 +0200 |
parents | |
children | 9d42f89b8c3c |
comparison
equal
deleted
inserted
replaced
1063:3e8f59cefec6 | 1064:af4b9cba905f |
---|---|
1 /** | |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2019 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 | |
27 #include <Core/OrthancException.h> | |
28 | |
29 #include <boost/enable_shared_from_this.hpp> | |
30 | |
31 namespace OrthancStone | |
32 { | |
33 template <typename TObserver> | |
34 class ObserverBase : | |
35 public IObserver, | |
36 public boost::enable_shared_from_this<TObserver> | |
37 { | |
38 public: | |
39 boost::shared_ptr<TObserver> GetSharedObserver() | |
40 { | |
41 try | |
42 { | |
43 return this->shared_from_this(); | |
44 } | |
45 catch (boost::bad_weak_ptr&) | |
46 { | |
47 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError, | |
48 "Cannot get a shared pointer to an observer from a constructor"); | |
49 } | |
50 } | |
51 | |
52 template <typename TMessage> | |
53 ICallable* CreateCallable(void (TObserver::* MemberMethod) (const TMessage&)) | |
54 { | |
55 return new Callable<TObserver, TMessage>(GetSharedObserver(), MemberMethod); | |
56 } | |
57 }; | |
58 } |