Mercurial > hg > orthanc-transfers

comparison Framework/StatefulOrthancJob.cpp @ 0:95226b754d9e

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initial release
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 17 Sep 2018 11:34:55 +0200
parents
children 7e207ade2f1a
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-1:000000000000 0:95226b754d9e
1 /**
2 * Transfers accelerator plugin for Orthanc
3 * Copyright (C) 2018 Osimis, Belgium
4 *
5 * This program is free software: you can redistribute it and/or
6 * modify it under the terms of the GNU Affero General Public License
7 * as published by the Free Software Foundation, either version 3 of
8 * the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Affero General Public License for more details.
14 *
15 * You should have received a copy of the GNU Affero General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 **/
18
19
20 #include "StatefulOrthancJob.h"
21
22 namespace OrthancPlugins
23 {
24 StatefulOrthancJob::JobInfo::JobInfo(StatefulOrthancJob& job) :
25 job_(job),
26 updated_(true),
27 content_(Json::objectValue)
28 {
29 }
30
31
32 void StatefulOrthancJob::JobInfo::SetContent(const std::string& key,
33 const Json::Value& value)
34 {
35 content_[key] = value;
36 updated_ = true;
37 }
38
39
40 void StatefulOrthancJob::JobInfo::Update()
41 {
42 if (updated_)
43 {
44 job_.UpdateContent(content_);
45 updated_ = false;
46 }
47 }
48
49
50 StatefulOrthancJob::StateUpdate::StateUpdate(IState* state) :
51 status_(OrthancPluginJobStepStatus_Continue),
52 state_(state)
53 {
54 if (state == NULL)
55 {
56 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
57 }
58 }
59
60
61 StatefulOrthancJob::IState* StatefulOrthancJob::StateUpdate::ReleaseOtherState()
62 {
63 if (state_.get() == NULL)
64 {
65 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
66 }
67 else
68 {
69 return state_.release();
70 }
71 }
72
73
74 StatefulOrthancJob::StatefulOrthancJob(const std::string& jobType) :
75 OrthancJob(jobType),
76 info_(*this)
77 {
78 }
79
80
81 OrthancPluginJobStepStatus StatefulOrthancJob::Step()
82 {
83 std::auto_ptr<StateUpdate> update;
84
85 if (state_.get() == NULL)
86 {
87 update.reset(CreateInitialState(info_));
88 }
89 else
90 {
91 update.reset(state_->Step());
92 }
93
94 info_.Update();
95
96 if (update.get() == NULL)
97 {
98 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
99 }
100
101 if (update->IsOtherState())
102 {
103 state_.reset(update->ReleaseOtherState());
104 assert(state_.get() != NULL);
105
106 return OrthancPluginJobStepStatus_Continue;
107 }
108 else
109 {
110 OrthancPluginJobStepStatus status = update->GetStatus();
111
112 if (status == OrthancPluginJobStepStatus_Success)
113 {
114 info_.SetProgress(1);
115 }
116
117 if (status == OrthancPluginJobStepStatus_Success ||
118 status == OrthancPluginJobStepStatus_Failure)
119 {
120 state_.reset();
121 }
122
123 return status;
124 }
125 }
126
127
128 void StatefulOrthancJob::Stop(OrthancPluginJobStopReason reason)
129 {
130 if (state_.get() != NULL)
131 {
132 state_->Stop(reason);
133
134 if (reason != OrthancPluginJobStopReason_Paused)
135 {
136 // Drop the current state, so as to force going back to the
137 // initial state on resubmit
138 state_.reset();
139 }
140 }
141 }
142
143
144 void StatefulOrthancJob::Reset()
145 {
146 if (state_.get() != NULL)
147 {
148 // Error in the Orthanc core: Reset() should only be called
149 // from the "Failure" state, where no "IState*" is available
150 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
151 }
152 }
153 }