[6373] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2011 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.Configuration;
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| 25 | using System.IO;
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| 26 | using System.Linq;
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| 27 | using System.Threading;
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| 28 | using HeuristicLab.Common;
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| 29 | using HeuristicLab.Core;
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| 30 | using HeuristicLab.PluginInfrastructure;
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| 31 |
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| 32 | namespace HeuristicLab.Clients.Hive {
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| 33 | [Item("HiveClient", "Hive client.")]
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| 34 | public sealed class HiveClient : IContent {
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| 35 | private static HiveClient instance;
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| 36 | public static HiveClient Instance {
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| 37 | get {
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| 38 | if (instance == null) instance = new HiveClient();
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| 39 | return instance;
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| 40 | }
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| 41 | }
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| 42 |
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| 43 | #region Properties
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| 44 | private ItemCollection<RefreshableHiveExperiment> hiveExperiments;
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| 45 | public ItemCollection<RefreshableHiveExperiment> HiveExperiments {
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| 46 | get { return hiveExperiments; }
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| 47 | set {
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| 48 | if (value != hiveExperiments) {
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| 49 | hiveExperiments = value;
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| 50 | OnHiveExperimentsChanged();
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| 51 | }
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| 52 | }
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| 53 | }
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| 54 |
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| 55 | private List<Plugin> onlinePlugins;
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| 56 | public List<Plugin> OnlinePlugins {
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| 57 | get { return onlinePlugins; }
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| 58 | set { onlinePlugins = value; }
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| 59 | }
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| 60 |
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| 61 | private List<Plugin> alreadyUploadedPlugins;
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| 62 | public List<Plugin> AlreadyUploadedPlugins {
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| 63 | get { return alreadyUploadedPlugins; }
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| 64 | set { alreadyUploadedPlugins = value; }
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| 65 | }
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| 66 | #endregion
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| 67 |
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| 68 | public HiveClient() { }
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| 69 |
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| 70 | #region Refresh
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| 71 | public void Refresh() {
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| 72 | OnRefreshing();
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| 73 |
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| 74 | try {
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| 75 | hiveExperiments = new HiveItemCollection<RefreshableHiveExperiment>();
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| 76 | var he = ServiceLocator.Instance.CallHiveService<IEnumerable<HiveExperiment>>(s => s.GetHiveExperiments());
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| 77 | hiveExperiments.AddRange(he.Select(x => new RefreshableHiveExperiment(x)).OrderBy(x => x.HiveExperiment.Name));
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| 78 | }
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| 79 | catch {
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| 80 | hiveExperiments = null;
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| 81 | throw;
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| 82 | }
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| 83 | finally {
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| 84 | OnRefreshed();
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| 85 | }
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| 86 | }
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| 87 | public void RefreshAsync(Action<Exception> exceptionCallback) {
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| 88 | var call = new Func<Exception>(delegate() {
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| 89 | try {
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| 90 | Refresh();
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| 91 | }
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| 92 | catch (Exception ex) {
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| 93 | return ex;
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| 94 | }
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| 95 | return null;
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| 96 | });
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| 97 | call.BeginInvoke(delegate(IAsyncResult result) {
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| 98 | Exception ex = call.EndInvoke(result);
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| 99 | if (ex != null) exceptionCallback(ex);
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| 100 | }, null);
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| 101 | }
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| 102 | #endregion
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| 103 |
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| 104 | #region Store
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| 105 | public static void Store(IHiveItem item) {
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| 106 | if (item.Id == Guid.Empty) {
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| 107 | if (item is RefreshableHiveExperiment) {
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| 108 | HiveClient.Instance.UploadExperiment((RefreshableHiveExperiment)item);
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| 109 | }
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| 110 | } else {
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| 111 | if (item is HiveExperiment)
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| 112 | ServiceLocator.Instance.CallHiveService(s => s.UpdateHiveExperiment((HiveExperiment)item));
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| 113 | }
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| 114 | }
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| 115 | public static void StoreAsync(Action<Exception> exceptionCallback, IHiveItem item) {
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| 116 | var call = new Func<Exception>(delegate() {
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| 117 | try {
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| 118 | Store(item);
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| 119 | }
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| 120 | catch (Exception ex) {
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| 121 | return ex;
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| 122 | }
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| 123 | return null;
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| 124 | });
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| 125 | call.BeginInvoke(delegate(IAsyncResult result) {
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| 126 | Exception ex = call.EndInvoke(result);
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| 127 | if (ex != null) exceptionCallback(ex);
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| 128 | }, null);
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| 129 | }
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| 130 | #endregion
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| 131 |
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| 132 | #region Delete
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| 133 | public static void Delete(IHiveItem item) {
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| 134 | if (item is HiveExperiment)
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| 135 | ServiceLocator.Instance.CallHiveService(s => s.DeleteHiveExperiment(item.Id));
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| 136 | if (item is RefreshableHiveExperiment)
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| 137 | ServiceLocator.Instance.CallHiveService(s => s.DeleteHiveExperiment(item.Id));
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| 138 | item.Id = Guid.Empty;
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| 139 | }
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| 140 | #endregion
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| 141 |
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| 142 | #region Events
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| 143 | public event EventHandler Refreshing;
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| 144 | private void OnRefreshing() {
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| 145 | EventHandler handler = Refreshing;
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| 146 | if (handler != null) handler(this, EventArgs.Empty);
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| 147 | }
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| 148 | public event EventHandler Refreshed;
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| 149 | private void OnRefreshed() {
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| 150 | var handler = Refreshed;
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| 151 | if (handler != null) handler(this, EventArgs.Empty);
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| 152 | }
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| 153 | public event EventHandler HiveExperimentsChanged;
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| 154 | private void OnHiveExperimentsChanged() {
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| 155 | var handler = HiveExperimentsChanged;
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| 156 | if (handler != null) handler(this, EventArgs.Empty);
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| 157 | }
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| 158 | #endregion
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| 159 |
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| 160 | public static void StartExperiment(Action<Exception> exceptionCallback, RefreshableHiveExperiment refreshableHiveExperiment) {
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| 161 | HiveClient.StoreAsync(
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| 162 | new Action<Exception>((Exception ex) => {
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| 163 | refreshableHiveExperiment.HiveExperiment.ExecutionState = ExecutionState.Prepared;
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| 164 | exceptionCallback(ex);
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| 165 | }), refreshableHiveExperiment);
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| 166 | refreshableHiveExperiment.HiveExperiment.ExecutionState = ExecutionState.Started;
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| 167 | }
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| 168 |
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| 169 | public static void PauseExperiment(HiveExperiment hiveExperiment) {
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| 170 | ServiceLocator.Instance.CallHiveService(service => {
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| 171 | foreach (HiveJob job in hiveExperiment.GetAllHiveJobs()) {
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| 172 | if (job.Job.State != JobState.Finished && job.Job.State != JobState.Aborted && job.Job.State != JobState.Failed)
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| 173 | service.PauseJob(job.Job.Id);
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| 174 | }
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| 175 | });
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| 176 | hiveExperiment.ExecutionState = ExecutionState.Paused;
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| 177 | }
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| 178 |
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| 179 | public static void StopExperiment(HiveExperiment hiveExperiment) {
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| 180 | ServiceLocator.Instance.CallHiveService(service => {
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| 181 | foreach (HiveJob job in hiveExperiment.GetAllHiveJobs()) {
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| 182 | if (job.Job.State != JobState.Finished && job.Job.State != JobState.Aborted && job.Job.State != JobState.Failed)
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| 183 | service.StopJob(job.Job.Id);
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| 184 | }
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| 185 | });
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| 186 | // execution state does not need to be set. it will be set to Stopped, when all jobs have been downloaded
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| 187 | }
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| 188 |
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| 189 | #region Upload Experiment
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| 190 | private void UploadExperiment(RefreshableHiveExperiment refreshableHiveExperiment) {
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| 191 | try {
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| 192 | refreshableHiveExperiment.HiveExperiment.Progress = new Progress("Connecting to server...");
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| 193 | refreshableHiveExperiment.HiveExperiment.IsProgressing = true;
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| 194 | ServiceLocator.Instance.CallHiveService(service => {
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| 195 | IEnumerable<string> resourceNames = ToResourceNameList(refreshableHiveExperiment.HiveExperiment.ResourceNames);
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| 196 | var resourceIds = new List<Guid>();
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| 197 | foreach (var resourceName in resourceNames) {
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| 198 | Guid resourceId = service.GetResourceId(resourceName);
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| 199 | if (resourceId == Guid.Empty) {
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| 200 | throw new ResourceNotFoundException(string.Format("Could not find the resource '{0}'", resourceName));
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| 201 | }
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| 202 | resourceIds.Add(resourceId);
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| 203 | }
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| 204 |
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| 205 | foreach (OptimizerHiveJob hiveJob in refreshableHiveExperiment.HiveExperiment.HiveJobs.OfType<OptimizerHiveJob>()) {
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| 206 | hiveJob.SetIndexInParentOptimizerList(null);
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| 207 | }
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| 208 |
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| 209 | // upload HiveExperiment
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| 210 | refreshableHiveExperiment.HiveExperiment.Progress.Status = "Uploading HiveExperiment...";
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| 211 | refreshableHiveExperiment.HiveExperiment.Id = service.AddHiveExperiment(refreshableHiveExperiment.HiveExperiment);
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| 212 |
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| 213 | int totalJobCount = refreshableHiveExperiment.HiveExperiment.GetAllHiveJobs().Count();
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| 214 | int jobCount = 0;
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| 215 |
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| 216 | // upload plugins
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| 217 | refreshableHiveExperiment.HiveExperiment.Progress.Status = "Uploading plugins...";
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| 218 | this.OnlinePlugins = service.GetPlugins();
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| 219 | this.AlreadyUploadedPlugins = new List<Plugin>();
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| 220 | Plugin configFilePlugin = UploadConfigurationFile(service);
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| 221 | this.alreadyUploadedPlugins.Add(configFilePlugin);
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| 222 |
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| 223 | // upload jobs
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| 224 | refreshableHiveExperiment.HiveExperiment.Progress.Status = "Uploading jobs...";
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| 225 |
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| 226 | foreach (HiveJob hiveJob in refreshableHiveExperiment.HiveExperiment.HiveJobs) {
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| 227 | UploadJobWithChildren(refreshableHiveExperiment.HiveExperiment.Progress, service, hiveJob, null, resourceIds, ref jobCount, totalJobCount, configFilePlugin.Id, refreshableHiveExperiment.HiveExperiment.UseLocalPlugins, refreshableHiveExperiment.HiveExperiment.Id, refreshableHiveExperiment.Log);
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| 228 | }
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| 229 |
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| 230 | if (refreshableHiveExperiment.RefreshAutomatically) refreshableHiveExperiment.StartResultPolling();
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| 231 | });
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| 232 | }
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| 233 | finally {
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| 234 | refreshableHiveExperiment.HiveExperiment.IsProgressing = false;
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| 235 | }
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| 236 | }
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| 237 |
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| 238 | /// <summary>
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| 239 | /// Uploads the local configuration file as plugin
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| 240 | /// </summary>
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| 241 | private static Plugin UploadConfigurationFile(IHiveService service) {
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| 242 | string exeFilePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "HeuristicLab 3.3.exe");
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| 243 | string configFileName = Path.GetFileName(ConfigurationManager.OpenExeConfiguration(exeFilePath).FilePath);
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| 244 | string configFilePath = ConfigurationManager.OpenExeConfiguration(exeFilePath).FilePath;
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| 245 |
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| 246 | Plugin configPlugin = new Plugin() { Name = "Configuration", IsLocal = true, Version = new Version() };
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| 247 | PluginData configFile = new PluginData() { FileName = configFileName, Data = File.ReadAllBytes(configFilePath) };
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| 248 | configPlugin.Id = service.AddPlugin(configPlugin, new List<PluginData> { configFile });
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| 249 | return configPlugin;
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| 250 | }
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| 251 |
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| 252 | /// <summary>
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| 253 | /// Uploads the given job and all its child-jobs while setting the proper parentJobId values for the childs
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| 254 | /// </summary>
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| 255 | /// <param name="service"></param>
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| 256 | /// <param name="hiveJob"></param>
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| 257 | /// <param name="parentHiveJob">shall be null if its the root job</param>
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| 258 | /// <param name="groups"></param>
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| 259 | private void UploadJobWithChildren(IProgress progress, IHiveService service, HiveJob hiveJob, HiveJob parentHiveJob, IEnumerable<Guid> groups, ref int jobCount, int totalJobCount, Guid configPluginId, bool useLocalPlugins, Guid hiveExperimentId, ILog log) {
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| 260 | jobCount++;
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| 261 | progress.Status = string.Format("Serializing job {0} of {1}", jobCount, totalJobCount);
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| 262 | JobData jobData;
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| 263 | List<IPluginDescription> plugins;
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| 264 |
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| 265 | if (hiveJob.ItemJob.ComputeInParallel &&
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| 266 | (hiveJob.ItemJob.Item is Optimization.Experiment || hiveJob.ItemJob.Item is Optimization.BatchRun)) {
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| 267 | hiveJob.Job.IsParentJob = true;
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| 268 | hiveJob.Job.FinishWhenChildJobsFinished = true;
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| 269 | jobData = hiveJob.GetAsJobData(true, out plugins);
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| 270 | } else {
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| 271 | hiveJob.Job.IsParentJob = false;
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| 272 | hiveJob.Job.FinishWhenChildJobsFinished = false;
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| 273 | jobData = hiveJob.GetAsJobData(false, out plugins);
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| 274 | }
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| 275 |
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| 276 | TryAndRepeat(() => {
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| 277 | hiveJob.Job.PluginsNeededIds = PluginUtil.GetPluginDependencies(service, this.onlinePlugins, this.alreadyUploadedPlugins, plugins, useLocalPlugins);
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| 278 | }, -1, "Failed to upload plugins");
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| 279 | hiveJob.Job.PluginsNeededIds.Add(configPluginId);
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| 280 | hiveJob.Job.HiveExperimentId = hiveExperimentId;
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| 281 |
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| 282 | progress.Status = string.Format("Uploading job {0} of {1} ({2} kb, {3} objects)", jobCount, totalJobCount, jobData.Data.Count() / 1024, hiveJob.ItemJob.GetObjectGraphObjects().Count());
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| 283 | progress.ProgressValue = (double)jobCount / totalJobCount;
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| 284 |
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| 285 | log.LogMessage(progress.Status);
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| 286 | TryAndRepeat(() => {
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| 287 | if (parentHiveJob != null) {
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| 288 | hiveJob.Job.Id = service.AddChildJob(parentHiveJob.Job.Id, hiveJob.Job, jobData);
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| 289 | } else {
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| 290 | hiveJob.Job.Id = service.AddJob(hiveJob.Job, jobData, groups.ToList());
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| 291 | }
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| 292 | }, -1, "Failed to add job");
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| 293 |
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| 294 | foreach (HiveJob child in hiveJob.ChildHiveJobs) {
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| 295 | UploadJobWithChildren(progress, service, child, hiveJob, groups, ref jobCount, totalJobCount, configPluginId, useLocalPlugins, hiveExperimentId, log);
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| 296 | }
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| 297 | }
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| 298 | #endregion
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| 299 |
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| 300 | #region Download Experiment
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| 301 | public static void LoadExperiment(HiveExperiment hiveExperiment) {
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| 302 | hiveExperiment.Progress = new Progress();
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| 303 | try {
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| 304 | hiveExperiment.IsProgressing = true;
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| 305 | int totalJobCount = 0;
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| 306 | IEnumerable<LightweightJob> allJobs;
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| 307 |
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| 308 | hiveExperiment.Progress.Status = "Connecting to Server...";
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| 309 | // fetch all Job objects to create the full tree of tree of HiveJob objects
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| 310 | hiveExperiment.Progress.Status = "Downloading list of jobs...";
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| 311 | allJobs = ServiceLocator.Instance.CallHiveService(s => s.GetLightweightExperimentJobs(hiveExperiment.Id));
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| 312 | totalJobCount = allJobs.Count();
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| 313 |
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| 314 | HiveJobDownloader downloader = new HiveJobDownloader(allJobs.Select(x => x.Id));
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| 315 | downloader.StartAsync();
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| 316 |
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| 317 | while (!downloader.IsFinished) {
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| 318 | hiveExperiment.Progress.ProgressValue = downloader.FinishedCount / (double)totalJobCount;
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| 319 | hiveExperiment.Progress.Status = string.Format("Downloading/deserializing jobs... ({0}/{1} finished)", downloader.FinishedCount, totalJobCount);
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| 320 | Thread.Sleep(500);
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| 321 |
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| 322 | if (downloader.IsFaulted) {
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| 323 | throw downloader.Exception;
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| 324 | }
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| 325 | }
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| 326 | IDictionary<Guid, HiveJob> allHiveJobs = downloader.Results;
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| 327 |
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| 328 | hiveExperiment.HiveJobs = new ItemCollection<HiveJob>(allHiveJobs.Values.Where(x => !x.Job.ParentJobId.HasValue));
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| 329 |
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| 330 | if (hiveExperiment.IsFinished()) {
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| 331 | hiveExperiment.ExecutionState = Core.ExecutionState.Stopped;
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| 332 | } else {
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| 333 | hiveExperiment.ExecutionState = Core.ExecutionState.Started;
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| 334 | }
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| 335 |
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| 336 | // build child-job tree
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| 337 | foreach (HiveJob hiveJob in hiveExperiment.HiveJobs) {
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| 338 | BuildHiveJobTree(hiveJob, allJobs, allHiveJobs);
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| 339 | }
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| 340 |
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| 341 | hiveExperiment.OnLoaded();
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| 342 | }
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| 343 | finally {
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| 344 | hiveExperiment.IsProgressing = false;
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| 345 | }
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| 346 | }
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| 347 |
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| 348 | private static void BuildHiveJobTree(HiveJob parentHiveJob, IEnumerable<LightweightJob> allJobs, IDictionary<Guid, HiveJob> allHiveJobs) {
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| 349 | IEnumerable<LightweightJob> childJobs = from job in allJobs
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| 350 | where job.ParentJobId.HasValue && job.ParentJobId.Value == parentHiveJob.Job.Id
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| 351 | orderby job.DateCreated ascending
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| 352 | select job;
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| 353 | foreach (LightweightJob job in childJobs) {
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| 354 | HiveJob childHiveJob = allHiveJobs[job.Id];
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| 355 | parentHiveJob.AddChildHiveJob(childHiveJob);
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| 356 | BuildHiveJobTree(childHiveJob, allJobs, allHiveJobs);
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| 357 | }
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| 358 | }
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| 359 | #endregion
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| 360 |
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| 361 | /// <summary>
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| 362 | /// Converts a string which can contain Ids separated by ';' to a enumerable
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| 363 | /// </summary>
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| 364 | private static IEnumerable<string> ToResourceNameList(string resourceNames) {
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| 365 | if (!string.IsNullOrEmpty(resourceNames)) {
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| 366 | return resourceNames.Split(';');
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| 367 | } else {
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| 368 | return new List<string>();
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| 369 | }
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| 370 | }
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| 371 |
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| 372 | public static ItemJob LoadItemJob(Guid jobId) {
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| 373 | JobData jobData = ServiceLocator.Instance.CallHiveService(s => s.GetJobData(jobId));
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| 374 | try {
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| 375 | return PersistenceUtil.Deserialize<ItemJob>(jobData.Data);
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| 376 | }
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| 377 | catch {
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| 378 | return null;
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| 379 | }
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| 380 | }
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| 381 |
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| 382 | /// <summary>
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| 383 | /// Executes the action. If it throws an exception it is repeated until repetition-count is reached.
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| 384 | /// If repetitions is -1, it is repeated infinitely.
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| 385 | /// </summary>
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| 386 | public static void TryAndRepeat(Action action, int repetitions, string errorMessage) {
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| 387 | while (true) {
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| 388 | try { action(); return; }
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| 389 | catch (Exception e) {
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| 390 | if (repetitions == 0)
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| 391 | throw new HiveException(errorMessage, e);
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| 392 | repetitions--;
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| 393 | }
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| 394 | }
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| 395 | }
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| 396 | }
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| 397 | }
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