1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2011 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.Collections.Generic;
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24 | using System.Linq;
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25 | using System.Text;
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26 | using System.Xml;
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27 | using HeuristicLab.DataImporter.Data.Model;
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28 | using HeuristicLab.DataImporter.Data.CommandBase;
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29 | using HeuristicLab.DataImporter.DbExplorer.Interfaces;
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30 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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31 |
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32 | namespace HeuristicLab.DataImporter.DataProcessor.Command {
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33 | [StorableClass]
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34 | public class LoadColumnGroupsFromDBCommand : DatabaseCommandBase {
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35 | [Storable]
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36 | private List<DbTable> tables;
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37 |
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38 | private List<ColumnGroup> newColumnGroups;
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39 |
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40 | private LoadColumnGroupsFromDBCommand()
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41 | : base(null, null) {
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42 | this.newColumnGroups = new List<ColumnGroup>();
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43 | }
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44 |
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45 | public LoadColumnGroupsFromDBCommand(DataSet dataSet, IDbExplorer dbExplorer, IEnumerable<DbTable> tables)
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46 | : base(dataSet, dbExplorer) {
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47 | this.tables = new List<DbTable>(tables);
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48 | this.newColumnGroups = new List<ColumnGroup>();
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49 | }
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50 |
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51 | public override string Description {
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52 | get { return "Load ColumnGroups from database"; }
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53 | }
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54 |
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55 | public override void Execute() {
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56 | base.Execute();
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57 | if (DbExplorer == null || !DbExplorer.IsConnected)
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58 | throw new CommandExecutionException("Could not load data because no connection to the database exists", this);
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59 | ColumnGroup columnGroup;
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60 | foreach (DbTable table in tables) {
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61 | columnGroup = DbExplorer.CreateColumnGroup(table);
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62 | this.DataSet.AddColumnGroup(columnGroup);
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63 | newColumnGroups.Add(columnGroup);
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64 | }
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65 | this.DataSet.FireChanged();
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66 | }
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67 |
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68 | public override void UndoExecute() {
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69 | base.UndoExecute();
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70 | foreach (ColumnGroup columnGroup in newColumnGroups)
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71 | this.DataSet.RemoveColumnGroup(columnGroup);
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72 | newColumnGroups.Clear();
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73 | this.DataSet.FireChanged();
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74 | }
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75 | }
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76 | }
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