[4905] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2010 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.Linq;
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| 24 | using HeuristicLab.Collections;
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| 25 | using HeuristicLab.Core;
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| 26 | using HeuristicLab.Services.Hive.Common.ServiceContracts;
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| 27 | using HeuristicLab.Services.Hive.Common;
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| 28 | using System.Collections.Generic;
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| 29 |
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| 30 | namespace HeuristicLab.Clients.Hive {
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| 31 | using DT = HeuristicLab.Services.Hive.Common.DataTransfer;
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| 32 | using HeuristicLab.Common;
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| 33 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 34 |
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| 35 | [Item("Hive Client", "Connects to Hive and lists all submitted experiments by the current user.")]
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| 36 | [Creatable("Hive")]
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| 37 | public class HiveExperimentManagerClient : Item, IProgressReporter {
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| 38 | private static object locker = new object();
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| 39 | private bool currentlyUpdating;
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| 40 |
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| 41 | private ItemList<HiveExperimentClient> hiveExperiments;
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| 42 | public ItemList<HiveExperimentClient> HiveExperiments {
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| 43 | get { return hiveExperiments; }
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| 44 | set {
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| 45 | if (hiveExperiments != value) {
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| 46 | DeRegisterHiveExperimentsEvents();
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| 47 | hiveExperiments = value;
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| 48 | RegisterHiveExperimentsEvent();
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| 49 | OnHiveExperimentsChanged();
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| 50 | }
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| 51 | }
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| 52 | }
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| 53 |
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| 54 | private bool isProgressing;
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| 55 | public bool IsProgressing {
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| 56 | get { return isProgressing; }
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| 57 | set {
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| 58 | if (isProgressing != value) {
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| 59 | isProgressing = value;
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| 60 | OnIsProgressingChanged();
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| 61 | }
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| 62 | }
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| 63 | }
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| 64 |
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| 65 | private IProgress progress;
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| 66 | public IProgress Progress {
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| 67 | get { return progress; }
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| 68 | }
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| 69 |
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| 70 | public HiveExperimentManagerClient() { }
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| 71 | protected HiveExperimentManagerClient(HiveExperimentManagerClient original, Cloner cloner)
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| 72 | : base(original, cloner) {
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| 73 | this.hiveExperiments = cloner.Clone(original.hiveExperiments);
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| 74 | }
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| 75 | public override IDeepCloneable Clone(Cloner cloner) {
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| 76 | return new HiveExperimentManagerClient(this, cloner);
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| 77 | }
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| 78 |
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| 79 | private void RegisterHiveExperimentsEvent() {
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| 80 | if (hiveExperiments != null) {
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| 81 | hiveExperiments.ItemsRemoved += new CollectionItemsChangedEventHandler<IndexedItem<HiveExperimentClient>>(hiveExperiments_ItemsRemoved);
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| 82 | }
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| 83 | }
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| 84 |
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| 85 | private void DeRegisterHiveExperimentsEvents() {
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| 86 | if (hiveExperiments != null) {
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| 87 | hiveExperiments.ItemsRemoved -= new CollectionItemsChangedEventHandler<IndexedItem<HiveExperimentClient>>(hiveExperiments_ItemsRemoved);
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| 88 | }
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| 89 | }
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| 90 |
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| 91 | public void UpdateExperimentList() {
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| 92 | this.progress = new Progress("Downloading HiveExperiments...");
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| 93 | try {
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| 94 | IsProgressing = true;
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| 95 | if (this.HiveExperiments == null) {
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| 96 | this.HiveExperiments = new ItemList<HiveExperimentClient>();
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| 97 | }
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| 98 | using (var service = ServiceLocator.Instance.ServicePool.GetService()) {
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| 99 | currentlyUpdating = true;
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| 100 | IEnumerable<DT.HiveExperiment> response = service.Obj.GetHiveExperiments();
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| 101 | progress.Status = "Populating HiveExperiment list...";
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| 102 | RefreshExperimentList(response);
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| 103 | currentlyUpdating = false;
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| 104 | }
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| 105 | }
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| 106 | catch (Exception) {
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| 107 | this.HiveExperiments = null;
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| 108 | throw;
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| 109 | }
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| 110 | finally {
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| 111 | IsProgressing = false;
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| 112 | }
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| 113 | }
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| 114 |
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| 115 | private void RefreshExperimentList(IEnumerable<DT.HiveExperiment> hiveExperiments) {
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| 116 | foreach (DT.HiveExperiment hiveExperimentDto in hiveExperiments) {
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| 117 | HiveExperimentClient hiveExperiment = GetHiveExperiment(hiveExperimentDto.Id);
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| 118 | if (hiveExperiment == null) {
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| 119 | // not yet there, create new
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| 120 | this.HiveExperiments.Add(new HiveExperimentClient(hiveExperimentDto));
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| 121 | } else {
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| 122 | // update
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| 123 | hiveExperiment.UpdateFromDto(hiveExperimentDto);
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| 124 | }
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| 125 | }
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| 126 | }
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| 127 |
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| 128 | private HiveExperimentClient GetHiveExperiment(Guid hiveExperimentId) {
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| 129 | return this.HiveExperiments.SingleOrDefault(he => he.HiveExperimentId.Equals(hiveExperimentId));
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| 130 | }
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| 131 |
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| 132 | public event EventHandler HiveExperimentsChanged;
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| 133 | private void OnHiveExperimentsChanged() {
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| 134 | var handler = HiveExperimentsChanged;
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| 135 | if (handler != null) handler(this, EventArgs.Empty);
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| 136 | }
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| 137 |
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| 138 | void hiveExperiments_ItemsRemoved(object sender, Collections.CollectionItemsChangedEventArgs<Collections.IndexedItem<HiveExperimentClient>> e) {
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| 139 | if (!currentlyUpdating) {
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| 140 | using (Disposable<IHiveService> service = ServiceLocator.Instance.ServicePool.GetService()) {
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| 141 | foreach (IndexedItem<HiveExperimentClient> item in e.Items) {
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| 142 | if (item.Value.HiveExperimentId != Guid.Empty) {
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| 143 | service.Obj.DeleteHiveExperiment(item.Value.HiveExperimentId);
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| 144 | }
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| 145 | }
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| 146 | }
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| 147 | }
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| 148 | }
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| 149 |
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| 150 | public event EventHandler IsProgressingChanged;
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| 151 | private void OnIsProgressingChanged() {
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| 152 | var handler = IsProgressingChanged;
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| 153 | if (handler != null) handler(this, EventArgs.Empty);
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| 154 | }
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| 155 | }
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| 156 | }
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