[907] | 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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[800] | 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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[902] | 28 | using HeuristicLab.Hive.Contracts;
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[1377] | 29 | using HeuristicLab.Hive.Server.DataAccess;
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[1141] | 30 | using HeuristicLab.Hive.Server.Core.InternalInterfaces;
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[1468] | 31 | using HeuristicLab.DataAccess.Interfaces;
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[800] | 32 |
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| 33 | namespace HeuristicLab.Hive.Server.Core {
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[1141] | 34 | class JobManager: IJobManager, IInternalJobManager {
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[820] | 35 |
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[1468] | 36 | ISessionFactory factory;
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[1133] | 37 | ILifecycleManager lifecycleManager;
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[820] | 38 |
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[800] | 39 | #region IJobManager Members
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| 40 |
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[820] | 41 | public JobManager() {
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[1468] | 42 | factory = ServiceLocator.GetSessionFactory();
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[1133] | 43 | lifecycleManager = ServiceLocator.GetLifecycleManager();
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| 44 |
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| 45 | lifecycleManager.RegisterStartup(new EventHandler(lifecycleManager_OnStartup));
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| 46 | lifecycleManager.RegisterStartup(new EventHandler(lifecycleManager_OnShutdown));
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[820] | 47 | }
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| 48 |
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[1170] | 49 | private JobResult GetLastJobResult(Job job) {
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[1468] | 50 | ISession session = factory.GetSessionForCurrentThread();
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| 51 |
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| 52 | try {
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| 53 | IJobResultsAdapter jobResultAdapter =
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| 54 | session.GetDataAdapter<JobResult, IJobResultsAdapter>();
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| 55 |
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| 56 | List<JobResult> allJobResults = new List<JobResult>(jobResultAdapter.GetResultsOf(job));
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| 57 | JobResult lastJobResult = null;
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| 58 | foreach (JobResult jR in allJobResults) {
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| 59 | // if lastJobResult was before the current jobResult the lastJobResult must be updated
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| 60 | if (lastJobResult == null ||
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[1626] | 61 | (jR.Timestamp > lastJobResult.Timestamp))
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[1468] | 62 | lastJobResult = jR;
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| 63 | }
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| 64 | return lastJobResult;
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[1139] | 65 | }
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[1468] | 66 | finally {
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| 67 | if (session != null)
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| 68 | session.EndSession();
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| 69 | }
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[1170] | 70 | }
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| 71 |
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| 72 | public void ResetJobsDependingOnResults(Job job) {
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[1468] | 73 | ISession session = factory.GetSessionForCurrentThread();
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[1160] | 74 |
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[1468] | 75 | try {
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| 76 | IJobAdapter jobAdapter =
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| 77 | session.GetDataAdapter<Job, IJobAdapter>();
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[1160] | 78 |
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[1468] | 79 | JobResult lastJobResult = GetLastJobResult(job);
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| 80 | if (lastJobResult != null) {
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| 81 | job.Percentage = lastJobResult.Percentage;
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| 82 | job.SerializedJob = lastJobResult.Result;
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| 83 | } else {
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| 84 | job.Percentage = 0;
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| 85 | }
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| 86 |
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| 87 | job.Client = null;
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| 88 | job.State = State.offline;
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| 89 |
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| 90 | jobAdapter.Update(job);
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| 91 | }
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| 92 | finally {
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| 93 | if (session != null)
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| 94 | session.EndSession();
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| 95 | }
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[1139] | 96 | }
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| 97 |
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[1133] | 98 | void checkForDeadJobs() {
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[1468] | 99 | ISession session = factory.GetSessionForCurrentThread();
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| 100 |
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| 101 | try {
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| 102 | IJobAdapter jobAdapter =
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| 103 | session.GetDataAdapter<Job, IJobAdapter>();
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| 104 |
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| 105 | List<Job> allJobs = new List<Job>(jobAdapter.GetAll());
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| 106 | foreach (Job curJob in allJobs) {
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| 107 | if (curJob.State == State.calculating) {
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| 108 | ResetJobsDependingOnResults(curJob);
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| 109 | }
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| 110 | }
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| 111 | }
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| 112 | finally {
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| 113 | if (session != null)
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| 114 | session.EndSession();
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| 115 | }
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[1133] | 116 | }
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| 117 |
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| 118 | void lifecycleManager_OnStartup(object sender, EventArgs e) {
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| 119 | checkForDeadJobs();
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| 120 | }
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| 121 |
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| 122 | void lifecycleManager_OnShutdown(object sender, EventArgs e) {
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| 123 | checkForDeadJobs();
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| 124 | }
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| 125 |
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[1121] | 126 | /// <summary>
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| 127 | /// returns all jobs stored in the database
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| 128 | /// </summary>
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| 129 | /// <returns></returns>
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[902] | 130 | public ResponseList<Job> GetAllJobs() {
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[1468] | 131 | ISession session = factory.GetSessionForCurrentThread();
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[967] | 132 |
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[1468] | 133 | try {
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| 134 | IJobAdapter jobAdapter =
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| 135 | session.GetDataAdapter<Job, IJobAdapter>();
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| 136 |
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| 137 | ResponseList<Job> response = new ResponseList<Job>();
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| 138 |
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| 139 | response.List = new List<Job>(jobAdapter.GetAll());
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| 140 | response.Success = true;
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| 141 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_ALL_JOBS;
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| 142 |
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| 143 | return response;
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| 144 | }
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| 145 | finally {
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| 146 | if (session != null)
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| 147 | session.EndSession();
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| 148 | }
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[800] | 149 | }
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| 150 |
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[1121] | 151 | /// <summary>
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| 152 | /// Adds a new job into the database
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| 153 | /// </summary>
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| 154 | /// <param name="job"></param>
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| 155 | /// <returns></returns>
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[967] | 156 | public ResponseObject<Job> AddNewJob(Job job) {
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[1468] | 157 | ISession session = factory.GetSessionForCurrentThread();
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[967] | 158 |
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[1468] | 159 | try {
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| 160 | IJobAdapter jobAdapter =
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| 161 | session.GetDataAdapter<Job, IJobAdapter>();
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| 162 |
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| 163 | ResponseObject<Job> response = new ResponseObject<Job>();
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| 164 |
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| 165 | if (job != null) {
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| 166 | if (job.State != State.offline) {
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| 167 | response.Success = false;
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| 168 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_JOBSTATE_MUST_BE_OFFLINE;
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| 169 | return response;
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| 170 | }
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| 171 | if (job.Id != Guid.Empty) {
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| 172 | response.Success = false;
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| 173 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_ID_MUST_NOT_BE_SET;
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| 174 | return response;
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| 175 | }
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| 176 | if (job.SerializedJob == null) {
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| 177 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_JOB_NULL;
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| 178 | response.Success = false;
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| 179 | return response;
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| 180 | }
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| 181 |
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| 182 | job.DateCreated = DateTime.Now;
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| 183 | jobAdapter.Update(job);
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| 184 | response.Success = true;
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| 185 | response.Obj = job;
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| 186 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_JOB_ADDED;
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| 187 | } else {
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[1024] | 188 | response.Success = false;
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[1120] | 189 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_JOB_NULL;
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| 190 | }
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| 191 |
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[1468] | 192 | return response;
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[967] | 193 | }
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[1468] | 194 | finally {
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| 195 | if (session != null)
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| 196 | session.EndSession();
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| 197 | }
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[967] | 198 | }
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| 199 |
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[1121] | 200 | /// <summary>
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| 201 | /// Removes a job from the database
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| 202 | /// </summary>
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| 203 | /// <param name="jobId"></param>
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| 204 | /// <returns></returns>
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[1449] | 205 | public Response RemoveJob(Guid jobId) {
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[1468] | 206 | ISession session = factory.GetSessionForCurrentThread();
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[967] | 207 |
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[1468] | 208 | try {
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| 209 | IJobAdapter jobAdapter =
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| 210 | session.GetDataAdapter<Job, IJobAdapter>();
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| 211 | Response response = new Response();
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| 212 |
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| 213 | Job job = jobAdapter.GetById(jobId);
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| 214 | if (job == null) {
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| 215 | response.Success = false;
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| 216 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_JOB_DOESNT_EXIST;
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| 217 | return response;
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| 218 | }
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| 219 | jobAdapter.Delete(job);
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[967] | 220 | response.Success = false;
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[1468] | 221 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_JOB_REMOVED;
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| 222 |
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[967] | 223 | return response;
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| 224 | }
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[1468] | 225 | finally {
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| 226 | if (session != null)
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| 227 | session.EndSession();
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| 228 | }
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[967] | 229 | }
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| 230 |
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[1509] | 231 | public ResponseObject<JobResult> GetLastJobResultOf(Guid jobId, bool requested) {
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[1468] | 232 | ISession session = factory.GetSessionForCurrentThread();
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[1170] | 233 |
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[1468] | 234 | try {
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| 235 | IJobAdapter jobAdapter =
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| 236 | session.GetDataAdapter<Job, IJobAdapter>();
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| 237 |
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| 238 | ResponseObject<JobResult> response = new ResponseObject<JobResult>();
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[1770] | 239 |
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| 240 | Job job = jobAdapter.GetById(jobId);
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[1772] | 241 | if (requested && (job.State == State.requestSnapshot || job.State == State.requestSnapshotSent)) {
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[1770] | 242 | response.Success = true;
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| 243 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_RESULT_NOT_YET_HERE;
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| 244 | return response;
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| 245 | }
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| 246 |
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[1468] | 247 | response.Success = true;
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| 248 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_JOB_RESULT_SENT;
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[1770] | 249 | response.Obj = GetLastJobResult(job);
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[1468] | 250 |
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| 251 | return response;
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| 252 | }
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| 253 | finally {
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| 254 | if(session != null)
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| 255 | session.EndSession();
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| 256 | }
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[1170] | 257 | }
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| 258 |
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[1509] | 259 | public Response RequestSnapshot(Guid jobId) {
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| 260 | ISession session = factory.GetSessionForCurrentThread();
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| 261 | Response response = new Response();
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| 262 |
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| 263 | try {
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[1577] | 264 | IJobAdapter jobAdapter = session.GetDataAdapter<Job, IJobAdapter>();
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[1509] | 265 |
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[1577] | 266 | Job job = jobAdapter.GetById(jobId);
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[1831] | 267 | if (job.State == State.requestSnapshot || job.State == State.requestSnapshotSent) {
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[1577] | 268 | response.Success = true;
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| 269 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_REQUEST_ALLREADY_SET;
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| 270 | return response; // no commit needed
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| 271 | }
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| 272 | if (job.State != State.calculating) {
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| 273 | response.Success = false;
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| 274 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_IS_NOT_BEEING_CALCULATED;
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| 275 | return response; // no commit needed
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| 276 | }
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| 277 | // job is in correct state
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| 278 | job.State = State.requestSnapshot;
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| 279 | jobAdapter.Update(job);
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| 280 |
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| 281 | response.Success = true;
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| 282 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_REQUEST_SET;
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| 283 |
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[1509] | 284 | return response;
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| 285 | }
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| 286 | finally {
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| 287 | if (session != null)
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| 288 | session.EndSession();
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| 289 | }
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| 290 | }
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| 291 |
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| 292 | public Response AbortJob(Guid jobId) {
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[1577] | 293 | ISession session = factory.GetSessionForCurrentThread();
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| 294 | Response response = new Response();
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| 295 |
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| 296 | try {
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| 297 | IJobAdapter jobAdapter = session.GetDataAdapter<Job, IJobAdapter>();
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| 298 |
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| 299 | Job job = jobAdapter.GetById(jobId);
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[1762] | 300 | if (job == null) {
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| 301 | response.Success = false;
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| 302 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_JOB_DOESNT_EXIST;
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| 303 | return response; // no commit needed
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| 304 | }
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[1577] | 305 | if (job.State == State.abort) {
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| 306 | response.Success = true;
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| 307 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_ABORT_REQUEST_ALLREADY_SET;
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| 308 | return response; // no commit needed
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| 309 | }
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[1811] | 310 | if (job.State != State.calculating && job.State != State.requestSnapshot && job.State != State.requestSnapshotSent) {
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[1577] | 311 | response.Success = false;
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| 312 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_IS_NOT_BEEING_CALCULATED;
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| 313 | return response; // no commit needed
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| 314 | }
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| 315 | // job is in correct state
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| 316 | job.State = State.abort;
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| 317 | jobAdapter.Update(job);
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| 318 |
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| 319 | response.Success = true;
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| 320 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_ABORT_REQUEST_SET;
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| 321 |
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| 322 | return response;
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| 323 | }
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| 324 | finally {
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| 325 | if (session != null)
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| 326 | session.EndSession();
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| 327 | }
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[1509] | 328 | }
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| 329 |
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[1799] | 330 | public ResponseList<JobResult> GetAllJobResults(Guid jobId) {
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[1627] | 331 | ISession session = factory.GetSessionForCurrentThread();
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[1799] | 332 | ResponseList<JobResult> response = new ResponseList<JobResult>();
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[1627] | 333 |
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| 334 | try {
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| 335 | IJobResultsAdapter jobResultAdapter =
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| 336 | session.GetDataAdapter<JobResult, IJobResultsAdapter>();
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| 337 | IJobAdapter jobAdapter = session.GetDataAdapter<Job, IJobAdapter>();
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| 338 |
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| 339 | Job job = jobAdapter.GetById(jobId);
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| 340 | if (job == null) {
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| 341 | response.Success = false;
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| 342 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_JOB_DOESNT_EXIST;
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| 343 | return response;
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| 344 | }
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[1799] | 345 | response.List = new List<JobResult>(jobResultAdapter.GetResultsOf(job));
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[1627] | 346 | response.Success = true;
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| 347 | response.StatusMessage = ApplicationConstants.RESPONSE_JOB_JOB_RESULT_SENT;
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| 348 |
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| 349 | return response;
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| 350 | }
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| 351 | finally {
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| 352 | if(session != null)
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| 353 | session.EndSession();
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| 354 | }
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| 355 | }
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| 356 |
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[800] | 357 | #endregion
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| 358 | }
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| 359 | }
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