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2603
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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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 General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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32
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33
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34 #pragma once
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35
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36 #include "../IJob.h"
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37 #include "IJobOperation.h"
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38
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39 #include <boost/thread/mutex.hpp>
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40 #include <boost/thread/condition_variable.hpp>
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41
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42 #include <list>
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43
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44 namespace Orthanc
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45 {
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46 class SequenceOfOperationsJob : public IJob
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47 {
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48 public:
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49 class IObserver : public boost::noncopyable
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50 {
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51 public:
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52 virtual ~IObserver()
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53 {
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54 }
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55
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56 virtual void SignalDone(const SequenceOfOperationsJob& job) = 0;
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57 };
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58
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59 private:
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60 class Operation;
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61
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62 std::string jobType_;
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63 bool done_;
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64 boost::mutex mutex_;
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65 std::vector<Operation*> operations_;
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66 size_t current_;
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67 boost::condition_variable operationAdded_;
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68 boost::posix_time::time_duration trailingTimeout_;
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69 std::list<IObserver*> observers_;
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70
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71 void Setup();
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72
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73 public:
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74 SequenceOfOperationsJob() :
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75 jobType_("SequenceOfOperations")
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76 {
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77 Setup();
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78 }
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79
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80 SequenceOfOperationsJob(const std::string& jobType) :
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81 jobType_(jobType)
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82 {
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83 Setup();
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84 }
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85
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86 virtual ~SequenceOfOperationsJob();
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87
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88 void Register(IObserver& observer);
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89
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90 // This lock allows adding new operations to the end of the job,
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91 // from another thread than the worker thread, after the job has
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92 // been submitted for processing
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93 class Lock : public boost::noncopyable
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94 {
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95 private:
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96 SequenceOfOperationsJob& that_;
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97 boost::mutex::scoped_lock lock_;
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98
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99 public:
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100 Lock(SequenceOfOperationsJob& that) :
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101 that_(that),
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102 lock_(that.mutex_)
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103 {
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104 }
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105
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106 bool IsDone() const
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107 {
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108 return that_.done_;
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109 }
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110
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111 void SetTrailingOperationTimeout(unsigned int timeout);
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112
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113 size_t AddOperation(IJobOperation* operation);
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114
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115 size_t GetOperationsCount() const
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116 {
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117 return that_.operations_.size();
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118 }
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119
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120 void AddInput(size_t index,
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121 const JobOperationValue& value);
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122
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123 void Connect(size_t input,
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124 size_t output);
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125 };
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126
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127 virtual void Start()
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128 {
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129 }
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130
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131 virtual JobStepResult ExecuteStep();
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132
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133 virtual void SignalResubmit();
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134
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135 virtual void ReleaseResources()
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136 {
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137 }
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138
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139 virtual float GetProgress();
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140
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141 virtual void GetJobType(std::string& target)
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142 {
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143 target = jobType_;
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144 }
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145
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146 virtual void GetPublicContent(Json::Value& value);
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147
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148 virtual void GetInternalContent(Json::Value& value)
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149 {
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150 // TODO
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151 }
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152 };
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153 }
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