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source: branches/HeuristicLab.DatasetRefactor/sources/HeuristicLab.Clients.OKB/3.3/Administration/ServiceClient/OKBItemCollection.cs @ 12031

Last change on this file since 12031 was 12031, checked in by bburlacu, 9 years ago

#2276: Merged trunk changes.

File size: 2.8 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Collections.Generic;
24using System.Linq;
25using HeuristicLab.Common;
26using HeuristicLab.Core;
27
28namespace HeuristicLab.Clients.OKB.Administration {
29  [Item("OKBItem Collection", "Represents a collection of OKB items.")]
30  public class OKBItemCollection<T> : ItemCollection<T> where T : class, IOKBItem {
31    protected OKBItemCollection(OKBItemCollection<T> original, Cloner cloner) : base(original, cloner) { }
32    public OKBItemCollection() : base() { }
33    public OKBItemCollection(IEnumerable<T> collection) : base(collection) { }
34
35    public override IDeepCloneable Clone(Cloner cloner) { return new OKBItemCollection<T>(this, cloner); }
36
37    protected override void OnItemsRemoved(IEnumerable<T> items) {
38      IEnumerable<T> successful, unsuccessful;
39      Exception ex;
40      RemoveItems(items, out successful, out unsuccessful, out ex);
41      list.AddRange(unsuccessful);
42      base.OnItemsRemoved(successful);
43      if (ex != null) throw ex;
44    }
45    protected override void OnCollectionReset(IEnumerable<T> items, IEnumerable<T> oldItems) {
46      IEnumerable<T> successful, unsuccessful;
47      Exception ex;
48      RemoveItems(oldItems, out successful, out unsuccessful, out ex);
49      list.AddRange(unsuccessful);
50      base.OnCollectionReset(items.Concat(unsuccessful), oldItems);
51      if (ex != null) throw ex;
52    }
53
54    private void RemoveItems(IEnumerable<T> items, out IEnumerable<T> successful, out IEnumerable<T> unsuccessful, out Exception exception) {
55      List<T> removed = new List<T>();
56      List<T> notremoved = new List<T>();
57      exception = null;
58      foreach (T item in items) {
59        try {
60          AdministrationClient.Delete(item);
61          removed.Add(item);
62        }
63        catch (Exception ex) {
64          exception = ex;
65          notremoved.Add(item);
66        }
67      }
68      successful = removed;
69      unsuccessful = notremoved;
70    }
71  }
72}
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