1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2008 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU 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 General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Collections.Generic;
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24 | using System.Text;
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25 | using HeuristicLab.Core;
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26 | using System.Threading;
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27 | using HeuristicLab.Hive.JobBase;
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28 | using HeuristicLab.Hive.Contracts.Interfaces;
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29 | using HeuristicLab.Hive.Contracts;
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30 | using HeuristicLab.PluginInfrastructure;
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31 |
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32 | namespace HeuristicLab.Hive.Engine {
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33 | /// <summary>
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34 | /// Represents an engine that executes its operator-graph on the hive.
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35 | /// in parallel.
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36 | /// </summary>
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37 | public class HiveEngine : ItemBase, IEngine, IEditable {
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38 | private Guid jobId;
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39 | private Job job;
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40 | public string HiveServerUrl { get; set; }
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41 |
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42 | public HiveEngine() {
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43 | job = new Job();
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44 | }
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45 |
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46 |
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47 | #region IEngine Members
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48 |
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49 | public IOperatorGraph OperatorGraph {
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50 | get { return job.Engine.OperatorGraph; }
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51 | }
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52 |
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53 | public IScope GlobalScope {
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54 | get { return job.Engine.GlobalScope; }
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55 | }
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56 |
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57 | public TimeSpan ExecutionTime {
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58 | get { return job.Engine.ExecutionTime; }
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59 | }
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60 |
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61 | public bool Running {
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62 | get { return job.Engine.Running; }
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63 | }
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64 |
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65 | public bool Canceled {
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66 | get { return job.Engine.Canceled; }
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67 | }
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68 |
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69 | public bool Terminated {
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70 | get { return job.Engine.Terminated; }
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71 | }
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72 |
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73 | public void Execute() {
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74 | IExecutionEngineFacade executionEngineFacade = ServiceLocator.CreateExecutionEngineFacade(HiveServerUrl);
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75 |
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76 | DiscoveryService dService = new DiscoveryService();
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77 | PluginInfo depInfo = dService.GetDeclaringPlugin(typeof(HiveEngine));
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78 | List<PluginInfo> dependentPlugins = PluginManager.Manager.GetDependentPluginsRec(depInfo);
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79 |
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80 | HeuristicLab.Hive.Contracts.BusinessObjects.Job jobObj = new HeuristicLab.Hive.Contracts.BusinessObjects.Job();
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81 | jobObj.SerializedJob = PersistenceManager.SaveToGZip(job);
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82 | jobObj.State = HeuristicLab.Hive.Contracts.BusinessObjects.State.offline;
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83 | jobObj.PluginsNeeded = dependentPlugins;
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84 | ResponseObject<Contracts.BusinessObjects.Job> res = executionEngineFacade.AddJob(jobObj);
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85 | jobId = res.Obj.Id;
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86 | }
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87 |
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88 | public void ExecuteStep() {
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89 | throw new NotSupportedException();
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90 | }
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91 |
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92 | public void ExecuteSteps(int steps) {
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93 | throw new NotSupportedException();
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94 | }
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95 |
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96 | public void Abort() {
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97 | IExecutionEngineFacade executionEngineFacade = ServiceLocator.CreateExecutionEngineFacade(HiveServerUrl);
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98 |
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99 |
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100 | //This are just Stubs on the server right now. There won't be any effect right now...
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101 | executionEngineFacade.AbortJob(jobId);
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102 | executionEngineFacade.RequestSnapshot(Guid);
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103 |
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104 | //Requests the last result.
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105 | //false: There will always be a result that is been sent back
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106 | //true: if you hit "requestsnapshot" before - it won't send you the job back if
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107 | // the snapshot hasn't been submitted to the server (because the client needs
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108 | // more time).
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109 | executionEngineFacade.GetLastResult(jobId, false);
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110 |
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111 | throw new NotImplementedException();
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112 | }
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113 |
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114 | public void Reset() {
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115 | throw new NotImplementedException();
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116 | }
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117 |
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118 | public event EventHandler Initialized;
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119 |
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120 | public event EventHandler<OperationEventArgs> OperationExecuted;
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121 |
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122 | public event EventHandler<ExceptionEventArgs> ExceptionOccurred;
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123 |
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124 | public event EventHandler ExecutionTimeChanged;
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125 |
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126 | public event EventHandler Finished;
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127 |
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128 | #endregion
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129 |
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130 | public void RequestSnapshot() {
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131 | throw new NotImplementedException();
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132 | }
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133 |
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134 | public override IView CreateView() {
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135 | return new HiveEngineEditor(this);
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136 | }
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137 |
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138 | #region IEditable Members
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139 |
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140 | public IEditor CreateEditor() {
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141 | return new HiveEngineEditor(this);
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142 | }
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143 | #endregion
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144 | }
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145 | }
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