[6134] | 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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[6133] | 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 HeuristicLab.DataImporter.Data;
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| 27 | using HeuristicLab.DataImporter.Data.CommandBase;
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| 28 | using HeuristicLab.DataImporter.Data.Model;
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| 29 | using HeuristicLab.DataImporter.Command.View;
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| 30 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 31 |
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| 32 | namespace HeuristicLab.DataImporter.Command {
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| 33 | [StorableClass]
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| 34 | [ViewableCommandInfoAttribute("Minimum", 1, ColumnGroupState.DoubleColumnSelected | ColumnGroupState.AnySelectedColumnNotSorted,
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| 35 | "Aggregation", Position = 3, OptionsView = typeof(AggregationCommandView))]
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| 36 | public class AggregateWithMinCommand : AggregateCommandBase {
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| 37 |
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| 38 | private AggregateWithMinCommand()
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| 39 | : base(null, string.Empty, null) {
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| 40 | }
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| 41 |
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| 42 | public AggregateWithMinCommand(DataSet dataSet, string columnGroupName, int[] affectedColumns)
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| 43 | : base(dataSet, columnGroupName, affectedColumns) {
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| 44 | }
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| 45 |
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| 46 | public override string Description {
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| 47 | get { return "Aggregate with min function"; }
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| 48 | }
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| 49 |
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| 50 | protected override IComparable AggregationFunction(ColumnBase col, int startIndex, int endIndex) {
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| 51 | IComparable minValue = null;
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| 52 | IComparable val;
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| 53 | for (int i = startIndex; i < endIndex; i++) {
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| 54 | val = col.GetValue(i);
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| 55 | if (val != null) {
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| 56 | if (minValue == null || val.CompareTo(minValue) < 0)
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| 57 | minValue = val;
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| 58 | }
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| 59 | }
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| 60 | return minValue;
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| 61 | }
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| 62 | }
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| 63 | }
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