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annotate Framework/Messages/IObserver.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 192e6e349e69
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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
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26 namespace OrthancStone {
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27
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28 class IObservable;
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29 class IMessage;
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30
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31 class IObserver : public boost::noncopyable
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32 {
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33 MessageBroker& broker_;
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34
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35 public:
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36 IObserver(MessageBroker& broker)
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37 : broker_(broker)
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38 {
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39 broker_.Register(*this);
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40 }
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41
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42 virtual ~IObserver()
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43 {
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44 broker_.Unregister(*this);
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45 }
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46
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47 virtual void HandleMessage(IObservable& from, const IMessage& message) = 0;
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48 };
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49
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50 }