Mercurial > hg > orthanc-stone

annotate 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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250
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #pragma once
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23
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24 #include "MessageBroker.h"
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25 #include <set>
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26
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27 namespace OrthancStone {
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28
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29 class IObservable : public boost::noncopyable
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30 {
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31 MessageBroker& broker_;
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32
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33 std::set<IObserver*> observers_;
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34
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35 public:
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36
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37 IObservable(MessageBroker& broker)
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38 : broker_(broker)
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39 {
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40 }
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41 virtual ~IObservable()
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42 {
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43 }
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44
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45 void Emit(const IMessage& message)
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46 {
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47 broker_.Emit(*this, observers_, message);
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48 }
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49
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50 void RegisterObserver(IObserver& observer)
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51 {
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52 observers_.insert(&observer);
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53 }
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54
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55 void UnregisterObserver(IObserver& observer)
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56 {
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57 observers_.erase(&observer);
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58 }
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59 };
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60
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61 }