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source: branches/3.0/sources/HeuristicLab.Scheduling.JSSP/OperationUpdater.cs @ 2482

Last change on this file since 2482 was 279, checked in by gkronber, 16 years ago

merged changesets r219:r228, r240, r241:258, r263:265, r267,r268, r269 from trunk into the HL3 stable branch

File size: 2.3 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2008 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;
23using System.Collections.Generic;
24using System.Text;
25using HeuristicLab.Core;
26using HeuristicLab.Data;
27using System.Collections;
28
29namespace HeuristicLab.Scheduling.JSSP {
30  public class OperationUpdater : OperatorBase {
31    public override string Description {
32      get { return @"TODO\r\nOperator description still missing ..."; }
33    }
34
35    public OperationUpdater()
36      : base() {
37      AddVariableInfo(new VariableInfo("Operation", "Scheduled operation and unscheduled operation which shall be updated.", typeof(Operation), VariableKind.In | VariableKind.Out));
38    }
39
40    public override IOperation Apply(IScope scope) {
41      Operation scheduledOp = GetVariableValue<Operation>("Operation", scope, false);
42      for(int i = 0; i < scope.SubScopes.Count; i++) {
43        Operation op = GetVariableValue<Operation>("Operation", scope.SubScopes[i], false);
44        if((op.Job == scheduledOp.Job) && (op.Predecessors != null)) {
45          int index = -1;
46          for(int j = 0; j < op.Predecessors.Count; j++) {
47            if(((IntData)op.Predecessors[j]).Data == scheduledOp.OperationIndex) {
48              index = j;
49            }
50          }
51          if(index != -1) {
52            op.Predecessors.RemoveAt(index); // remove scheduled op from predecessor list
53            op.Start = scheduledOp.Start + scheduledOp.Duration; // new earliest start date
54          }
55        }
56      }
57      return null;
58    }
59  }
60}
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