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source: branches/HeuristicLab.DataImporter/HeuristicLab.DataImporter.DataProcessor/Command/LoadColumnGroupWithSqlStringFromDBCommand.cs @ 12725

Last change on this file since 12725 was 9615, checked in by mkommend, 11 years ago

#1734: Updated copyright information in all DataImporter classes.

File size: 2.4 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2013 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 HeuristicLab.DataImporter.Data.CommandBase;
23using HeuristicLab.DataImporter.Data.Model;
24using HeuristicLab.DataImporter.DbExplorer.Interfaces;
25using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
26
27namespace HeuristicLab.DataImporter.DataProcessor.Command {
28  [StorableClass]
29  public class LoadColumnGroupWithSqlStringFromDBCommand : DatabaseCommandBase {
30    [Storable]
31    private string sqlString;
32
33    private ColumnGroup newColumnGroup;
34
35    [StorableConstructor]
36    protected LoadColumnGroupWithSqlStringFromDBCommand(bool deserializing) : base(deserializing) { }
37    public LoadColumnGroupWithSqlStringFromDBCommand(DataSet dataSet, IDbExplorer dbExplorer, string sqlString)
38      : base(dataSet, dbExplorer) {
39      this.sqlString = sqlString;
40    }
41
42    public override string Description {
43      get { return "Load ColumnGroups from database"; }
44    }
45
46    public override void Execute() {
47      base.Execute();
48      if (DbExplorer == null || !DbExplorer.IsConnected)
49        throw new CommandExecutionException("Could not load data because no connection to the database exists", this);
50      newColumnGroup = DbExplorer.CreateColumnGroup(sqlString);
51      newColumnGroup.Name = "New ColumnGroup from SQL string";
52      this.DataSet.AddColumnGroup(newColumnGroup);
53      this.DataSet.FireChanged();
54    }
55
56    public override void UndoExecute() {
57      base.UndoExecute();
58      this.DataSet.RemoveColumnGroup(newColumnGroup);
59      newColumnGroup = null;
60      this.DataSet.FireChanged();
61    }
62  }
63}
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