Mercurial > hg > orthanc-stone
annotate Framework/Deprecated/Loaders/LoaderStateMachine.h @ 1313:f30905f5d246 broker
Added support for OnGenericSdlEvent to GuiAdapter.
This makes it possible to piggyback app-specific logic
to special events (here, to support the Viewport refresh
events)
author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Mon, 16 Mar 2020 11:12:39 +0100 |
parents | 9bea7e15b519 |
children | 9b126de2cde2 |
rev | line source |
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815 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
815 | 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 | |
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24 #include "../../Messages/IObservable.h" |
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25 #include "../../Messages/ObserverBase.h" |
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26 #include "../../Oracle/GetOrthancImageCommand.h" |
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27 #include "../../Oracle/GetOrthancWebViewerJpegCommand.h" |
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28 #include "../../Oracle/IOracle.h" |
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29 #include "../../Oracle/OracleCommandExceptionMessage.h" |
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30 #include "../../Oracle/OrthancRestApiCommand.h" |
815 | 31 |
32 #include <Core/IDynamicObject.h> | |
33 | |
34 #include <list> | |
35 | |
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36 namespace OrthancStone |
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37 { |
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38 class ILoadersContext; |
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39 } |
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40 |
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41 namespace Deprecated |
815 | 42 { |
43 /** | |
44 This class is supplied with Oracle commands and will schedule up to | |
45 simultaneousDownloads_ of them at the same time, then will schedule the | |
46 rest once slots become available. It is used, a.o., by the | |
47 OrtancMultiframeVolumeLoader class. | |
48 */ | |
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49 class LoaderStateMachine : public OrthancStone::ObserverBase<LoaderStateMachine> |
815 | 50 { |
51 protected: | |
52 class State : public Orthanc::IDynamicObject | |
53 { | |
54 private: | |
55 LoaderStateMachine& that_; | |
56 | |
57 public: | |
58 State(LoaderStateMachine& that) : | |
59 that_(that) | |
60 { | |
61 } | |
62 | |
63 State(const State& currentState) : | |
64 that_(currentState.that_) | |
65 { | |
66 } | |
67 | |
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68 void Schedule(OrthancStone::OracleCommandBase* command) const |
815 | 69 { |
70 that_.Schedule(command); | |
71 } | |
72 | |
73 template <typename T> | |
74 T& GetLoader() const | |
75 { | |
76 return dynamic_cast<T&>(that_); | |
77 } | |
78 | |
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79 virtual void Handle(const OrthancStone::OrthancRestApiCommand::SuccessMessage& message); |
815 | 80 |
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81 virtual void Handle(const OrthancStone::GetOrthancImageCommand::SuccessMessage& message); |
815 | 82 |
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83 virtual void Handle(const OrthancStone::GetOrthancWebViewerJpegCommand::SuccessMessage& message); |
815 | 84 }; |
85 | |
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86 void Schedule(OrthancStone::OracleCommandBase* command); |
815 | 87 |
88 void Start(); | |
89 | |
90 private: | |
91 void Step(); | |
92 | |
93 void Clear(); | |
94 | |
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95 void HandleExceptionMessage(const OrthancStone::OracleCommandExceptionMessage& message); |
815 | 96 |
97 template <typename T> | |
98 void HandleSuccessMessage(const T& message); | |
99 | |
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100 typedef std::list<OrthancStone::IOracleCommand*> PendingCommands; |
815 | 101 |
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102 OrthancStone::ILoadersContext& loadersContext_; |
9bea7e15b519
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103 bool active_; |
9bea7e15b519
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104 unsigned int simultaneousDownloads_; |
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parents:
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105 PendingCommands pendingCommands_; |
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106 unsigned int activeCommands_; |
815 | 107 |
108 public: | |
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109 LoaderStateMachine(OrthancStone::ILoadersContext& loadersContext); |
815 | 110 |
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111 virtual ~LoaderStateMachine(); |
815 | 112 |
113 bool IsActive() const | |
114 { | |
115 return active_; | |
116 } | |
117 | |
118 void SetSimultaneousDownloads(unsigned int count); | |
119 }; | |
120 } |