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source: branches/2864_PermutationProblems/HeuristicLab.Problems.Instances/3.3/ProblemInstanceManager.cs

Last change on this file was 16565, checked in by gkronber, 5 years ago

#2520: merged changes from PersistenceOverhaul branch (r16451:16564) into trunk

File size: 2.6 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2019 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.Collections.Generic;
23using System.Linq;
24using HeuristicLab.PluginInfrastructure;
25
26namespace HeuristicLab.Problems.Instances {
27  public class ProblemInstanceManager {
28    public static IEnumerable<IProblemInstanceProvider> GetProviders(object item) {
29      var consumerTypes = item.GetType().GetInterfaces()
30        .Where(x => x.IsGenericType
31          && x.GetGenericTypeDefinition() == typeof(IProblemInstanceConsumer<>));
32
33      if (consumerTypes.Any()) {
34        var instanceTypes = consumerTypes
35          .Select(x => x.GetGenericArguments().First())
36          .Select(x => typeof(IProblemInstanceProvider<>).MakeGenericType(x));
37
38        var interfaceTypes = instanceTypes.Where(x => x.GetGenericArguments().First().IsInterface);
39        if (interfaceTypes.Any()) {
40          var concreteTypes = interfaceTypes.SelectMany(x => ApplicationManager.Manager.GetTypes(x.GetGenericArguments().First()));
41
42          if (concreteTypes.Any())
43            instanceTypes = instanceTypes.Union(concreteTypes.Select(x => typeof(IProblemInstanceProvider<>).MakeGenericType(x))).Distinct();
44        }
45
46        foreach (var type in instanceTypes) {
47          foreach (var provider in ApplicationManager.Manager.GetInstances(type))
48            yield return (IProblemInstanceProvider)provider;
49        }
50      }
51    }
52
53    public static IEnumerable<IDataDescriptor> GetDataDescriptors(IProblemInstanceProvider provider) {
54      IEnumerable<IDataDescriptor> descriptors = ((dynamic)provider).GetDataDescriptors();
55      return descriptors;
56    }
57
58    public static void LoadData(IProblemInstanceProvider provider, IDataDescriptor descriptor, IProblemInstanceConsumer consumer) {
59      ((dynamic)consumer).Load(((dynamic)provider).LoadData(descriptor));
60    }
61  }
62}
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