Mercurial > hg > orthanc-stone
annotate Framework/Deprecated/Loaders/LoaderStateMachine.h @ 1329:8d3e669f01a2 broker
Fixed UT
author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Mon, 30 Mar 2020 08:47:30 +0200 |
parents | 9b126de2cde2 |
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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. | |
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48 |
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49 To use it, you need to create commands that derive from State. |
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50 |
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51 You need to initialize them with the object that must be called when |
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52 an answer is received. |
815 | 53 */ |
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54 |
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55 class LoaderStateMachine : public OrthancStone::ObserverBase<LoaderStateMachine> |
815 | 56 { |
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57 public: |
815 | 58 class State : public Orthanc::IDynamicObject |
59 { | |
60 private: | |
61 LoaderStateMachine& that_; | |
62 | |
63 public: | |
64 State(LoaderStateMachine& that) : | |
65 that_(that) | |
66 { | |
67 } | |
68 | |
69 State(const State& currentState) : | |
70 that_(currentState.that_) | |
71 { | |
72 } | |
73 | |
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74 void Schedule(OrthancStone::OracleCommandBase* command) const |
815 | 75 { |
76 that_.Schedule(command); | |
77 } | |
78 | |
79 template <typename T> | |
80 T& GetLoader() const | |
81 { | |
82 return dynamic_cast<T&>(that_); | |
83 } | |
84 | |
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85 virtual void Handle(const OrthancStone::OrthancRestApiCommand::SuccessMessage& message); |
815 | 86 |
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87 virtual void Handle(const OrthancStone::GetOrthancImageCommand::SuccessMessage& message); |
815 | 88 |
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89 virtual void Handle(const OrthancStone::GetOrthancWebViewerJpegCommand::SuccessMessage& message); |
815 | 90 }; |
91 | |
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92 void Schedule(OrthancStone::OracleCommandBase* command); |
815 | 93 |
94 void Start(); | |
95 | |
96 private: | |
97 void Step(); | |
98 | |
99 void Clear(); | |
100 | |
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101 void HandleExceptionMessage(const OrthancStone::OracleCommandExceptionMessage& message); |
815 | 102 |
103 template <typename T> | |
104 void HandleSuccessMessage(const T& message); | |
105 | |
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106 typedef std::list<OrthancStone::IOracleCommand*> PendingCommands; |
815 | 107 |
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108 OrthancStone::ILoadersContext& loadersContext_; |
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109 bool active_; |
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110 unsigned int simultaneousDownloads_; |
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111 PendingCommands pendingCommands_; |
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112 unsigned int activeCommands_; |
815 | 113 |
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114 |
815 | 115 public: |
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116 LoaderStateMachine(OrthancStone::ILoadersContext& loadersContext); |
815 | 117 |
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118 void PostConstructor(); |
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119 |
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120 virtual ~LoaderStateMachine(); |
815 | 121 |
122 bool IsActive() const | |
123 { | |
124 return active_; | |
125 } | |
126 | |
127 void SetSimultaneousDownloads(unsigned int count); | |
128 }; | |
129 } |