source: addons/HeuristicLab.Problems.BioBoost/HeuristicLab.Problems.BioBoost/3.3/Persistence/GeometryFeatureProviderSerializer.cs @ 17777

Last change on this file since 17777 was 16575, checked in by gkronber, 3 years ago

#2520: changed HeuristicLab.BioBoost addon to compile with new HL.Persistence

File size: 2.9 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 GeoAPI.Geometries;
23using HEAL.Attic;
24using HeuristicLab.Persistence.Core;
25using HeuristicLab.Persistence.Interfaces;
26using SharpMap.Data;
27using SharpMap.Data.Providers;
28using System;
29using System.Collections.Generic;
30using System.Data;
31using System.Linq;
32
33namespace HeuristicLab.BioBoost.Persistence {
34
35  public class GeometryFeatureProviderSerializer : ICompositeSerializer {
36
37    #region ICompositeSerializer Members
38
39    public int Priority { get { return 200; } }
40
41    public bool CanSerialize(Type type) {
42      return type == typeof (GeometryFeatureProvider);
43    }
44
45    public object CreateInstance(Type type, IEnumerable<Tag> metaInfo) {
46      var table = new FeatureDataTable();
47      foreach (var tag in metaInfo)
48        table.Columns.Add(tag.Name, (Type)tag.Value);
49      return new GeometryFeatureProvider(table);
50    }
51
52    public IEnumerable<Tag> CreateMetaInfo(object obj) {
53      var gfp = obj as GeometryFeatureProvider;
54      return from DataColumn col in gfp.Features.Columns select new Tag(col.ColumnName, col.DataType);
55    }
56
57    public IEnumerable<Tag> Decompose(object obj) {
58      var gfp = obj as GeometryFeatureProvider;
59      foreach (FeatureDataRow row in gfp.Features.Rows) {
60        yield return new Tag(row.ItemArray);
61        yield return new Tag(row.Geometry);
62      }
63    }
64
65    public string JustifyRejection(Type type) {
66      return "Not a GeometryFeatureProvider";
67    }
68
69    public void Populate(object instance, IEnumerable<Tag> tags, Type type) {
70      var gfp = instance as GeometryFeatureProvider;
71      var it = tags.GetEnumerator();
72      while (it.MoveNext()) {
73        var row = (FeatureDataRow) gfp.Features.LoadDataRow((object[]) it.Current.Value, LoadOption.OverwriteChanges);
74        if (it.MoveNext())
75          row.Geometry = (IGeometry) it.Current.Value;
76        else
77          throw new PersistenceException("invalid data format for GeometryDataProvider: interleaved pairs of features and geometries expected");
78      }
79    }
80
81    #endregion
82  }
83}
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