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.Linq;
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25 | using System.Text;
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26 | using HeuristicLab.Hive.Contracts.Interfaces;
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27 | using HeuristicLab.Hive.Contracts.BusinessObjects;
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28 | using HeuristicLab.Hive.Contracts;
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29 | using HeuristicLab.PluginInfrastructure;
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30 | using System.IO;
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31 | using System.Runtime.Serialization.Formatters.Binary;
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32 | using System.ServiceModel;
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33 | using HeuristicLab.Hive.Server.Core.InternalInterfaces;
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34 | using System.Transactions;
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35 | using HeuristicLab.Hive.Server.LINQDataAccess;
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36 | using HeuristicLab.Hive.Server.DataAccess;
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37 | using HeuristicLab.Hive.Contracts.ResponseObjects;
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38 | using System.Security.Permissions;
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39 |
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40 | namespace HeuristicLab.Hive.Server.Core {
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41 | [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerCall, ConcurrencyMode = ConcurrencyMode.Multiple)]
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42 | public class SlaveFacade : ISlaveFacade {
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43 | private ISlaveCommunicator slaveCommunicator = ServiceLocator.GetSlaveCommunicator();
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44 | private IContextFactory contextFactory = ServiceLocator.GetContextFactory();
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45 |
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46 | public SlaveFacade() {
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47 | }
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48 |
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49 | #region ISlaveCommunicator Members
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50 |
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51 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Administrator)]
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52 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Slave)]
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53 | public Response Login(Guid slaveId) {
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54 | using (contextFactory.GetContext()) {
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55 | return slaveCommunicator.Login(slaveId);
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56 | }
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57 | }
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58 |
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59 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Administrator)]
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60 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Slave)]
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61 | public ResponseHeartBeat ProcessHeartBeat(HeartBeatData hbData) {
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62 | using (contextFactory.GetContext()) {
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63 | return slaveCommunicator.ProcessHeartBeat(hbData);
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64 | }
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65 | }
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66 |
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67 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Administrator)]
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68 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Slave)]
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69 | public ResponseObject<JobDto> GetJob(Guid slaveId) {
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70 | using (contextFactory.GetContext()) {
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71 | return slaveCommunicator.GetJob(slaveId);
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72 | }
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73 | }
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74 |
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75 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Administrator)]
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76 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Slave)]
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77 | public ResponseResultReceived StoreFinishedJobResult(Guid slaveId, Guid jobId, byte[] result, double percentage, string exception) {
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78 | using (contextFactory.GetContext()) {
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79 | return slaveCommunicator.StoreFinishedJobResult(slaveId, jobId, result, percentage, exception);
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80 | }
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81 | }
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82 |
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83 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Administrator)]
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84 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Slave)]
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85 | public Response Logout(Guid slaveId) {
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86 | using (contextFactory.GetContext()) {
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87 | return slaveCommunicator.Logout(slaveId);
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88 | }
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89 | }
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90 |
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91 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Administrator)]
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92 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Slave)]
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93 | public Response IsJobStillNeeded(Guid jobId) {
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94 | using (contextFactory.GetContext()) {
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95 | return slaveCommunicator.IsJobStillNeeded(jobId);
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96 | }
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97 | }
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98 |
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99 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Administrator)]
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100 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Slave)]
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101 | public ResponseList<CachedHivePluginInfoDto> GetPlugins(List<HivePluginInfoDto> pluginList) {
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102 | return slaveCommunicator.GetPlugins(pluginList);
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103 | }
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104 |
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105 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Administrator)]
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106 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Slave)]
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107 | public ResponseResultReceived ProcessSnapshot(Guid slaveId, Guid jobId, byte[] result, double percentage, string exception) {
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108 | using (contextFactory.GetContext()) {
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109 | return slaveCommunicator.ProcessSnapshot(slaveId, jobId, result, percentage, exception);
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110 | }
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111 | }
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112 |
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113 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Administrator)]
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114 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Slave)]
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115 | public ResponseCalendar GetCalendar(Guid slaveId) {
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116 | using (contextFactory.GetContext()) {
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117 | return slaveCommunicator.GetCalendar(slaveId);
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118 | }
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119 | }
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120 |
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121 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Administrator)]
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122 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Slave)]
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123 | public Response SetCalendarStatus(Guid slaveId, CalendarState state) {
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124 | using (contextFactory.GetContext()) {
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125 | return slaveCommunicator.SetCalendarStatus(slaveId, state);
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126 | }
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127 | }
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128 | #endregion
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129 |
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130 | #region ISlaveFacade Members
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131 |
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132 | /// <summary>
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133 | /// Do not use automatic transactions here
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134 | /// </summary>
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135 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Administrator)]
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136 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Slave)]
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137 | public Stream GetStreamedJob(Guid slaveId) {
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138 | using (contextFactory.GetContext(false)) {
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139 | MultiStream stream = new MultiStream();
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140 |
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141 | ResponseObject<JobDto> job = null;
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142 |
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143 | job = ServiceLocator.GetSlaveCommunicator().GetJob(slaveId);
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144 |
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145 | //first send response
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146 | stream.AddStream(new StreamedObject<ResponseObject<JobDto>>(job));
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147 |
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148 | IInternalJobManager internalJobManager = (IInternalJobManager)ServiceLocator.GetJobManager();
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149 |
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150 | //second stream the job binary data
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151 | MemoryStream memoryStream = new MemoryStream();
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152 | if (job.Obj != null) {
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153 | stream.AddStream(new MemoryStream(internalJobManager.GetSerializedJobDataById(job.Obj.Id)));
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154 | }
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155 |
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156 | OperationContext slaveContext = OperationContext.Current;
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157 | slaveContext.OperationCompleted += new EventHandler(delegate(object sender, EventArgs args) {
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158 | if (stream != null) {
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159 | stream.Dispose();
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160 | }
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161 | });
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162 |
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163 | return stream;
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164 | }
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165 | }
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166 |
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167 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Administrator)]
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168 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Slave)]
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169 | public Stream GetStreamedPlugins(List<HivePluginInfoDto> pluginList) {
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170 | return new StreamedObject<ResponseList<CachedHivePluginInfoDto>>(this.GetPlugins(pluginList));
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171 | }
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172 |
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173 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Administrator)]
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174 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Slave)]
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175 | public ResponseResultReceived StoreFinishedJobResultStreamed(Stream stream) {
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176 | using (contextFactory.GetContext()) {
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177 | return ((IInternalSlaveCommunicator)slaveCommunicator).ProcessJobResult(stream, true);
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178 | }
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179 | }
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180 |
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181 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Administrator)]
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182 | [PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Slave)]
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183 | public ResponseResultReceived ProcessSnapshotStreamed(Stream stream) {
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184 | using (contextFactory.GetContext()) {
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185 | return ((IInternalSlaveCommunicator)slaveCommunicator).ProcessJobResult(stream, false);
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186 | }
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187 | }
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188 | #endregion
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189 | }
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190 | }
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