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comparison Framework/Messages/IObservable.h @ 250:5e642859267e am-2

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added new Observable/Observer & MessageBroker (not used yet)
author am@osimis.io
date Mon, 02 Jul 2018 16:36:17 +0200
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children e5a9b3d03478
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249:54c7284b0eff 250:5e642859267e
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2018 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 "MessageBroker.h"
25 #include <set>
26
27 namespace OrthancStone {
28
29 class IObservable : public boost::noncopyable
30 {
31 MessageBroker& broker_;
32
33 std::set<IObserver*> observers_;
34
35 public:
36
37 IObservable(MessageBroker& broker)
38 : broker_(broker)
39 {
40 }
41 virtual ~IObservable()
42 {
43 }
44
45 void Emit(const IMessage& message)
46 {
47 broker_.Emit(*this, observers_, message);
48 }
49
50 void RegisterObserver(IObserver& observer)
51 {
52 observers_.insert(&observer);
53 }
54
55 void UnregisterObserver(IObserver& observer)
56 {
57 observers_.erase(&observer);
58 }
59 };
60
61 }