Mercurial > hg > orthanc-stone

annotate Framework/Messages/IObservable.h @ 300:b4abaeb783b1 am-callable-and-promise

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messaging refactoring almost complete: works fine in native
author am@osimis.io
date Tue, 18 Sep 2018 15:23:21 +0200
parents 3897f9f28cfa
children 4a79193ffb58
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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 <set>
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25 #include <assert.h>
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26 #include <algorithm>
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27 #include <iostream>
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28 #include <map>
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29
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30 #include "MessageBroker.h"
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31 #include "MessageType.h"
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32 #include "ICallable.h"
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33 #include "IObserver.h"
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34
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35 namespace OrthancStone {
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36
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37 class IObservable : public boost::noncopyable
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38 {
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39 protected:
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40 MessageBroker& broker_;
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41
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42 typedef std::map<int, std::set<ICallable*> > Callables;
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43 Callables callables_;
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44
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45 public:
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46
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47 IObservable(MessageBroker& broker)
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48 : broker_(broker)
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49 {
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50 }
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51 virtual ~IObservable()
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52 {
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53 for (Callables::const_iterator it = callables_.begin();
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54 it != callables_.end(); ++it)
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55 {
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56 for (std::set<ICallable*>::const_iterator
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57 it2 = it->second.begin(); it2 != it->second.end(); ++it2)
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58 {
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59 delete *it2;
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60 }
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61 }
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62 }
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63
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64 void RegisterObserverCallback(ICallable* callable)
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65 {
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66 MessageType messageType = callable->GetMessageType();
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67
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68 callables_[messageType].insert(callable);
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69 }
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71 void EmitMessage(const IMessage& message)
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72 {
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73 Callables::const_iterator found = callables_.find(message.GetType());
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74
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75 if (found != callables_.end())
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76 {
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77 for (std::set<ICallable*>::const_iterator
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78 it = found->second.begin(); it != found->second.end(); ++it)
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79 {
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80 if (broker_.IsActive((*it)->GetObserver()))
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81 {
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82 (*it)->Apply(message);
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83 }
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84 }
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85 }
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86 }
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88 };
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89
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90 }