source: branches/2931_OR-Tools_LP_MIP/HeuristicLab.MathematicalOptimization/3.3/LinearProgramming/Algorithms/Solvers/CoinOrSolver.cs @ 16405

Last change on this file since 16405 was 16405, checked in by ddorfmei, 5 months ago

#2931:

  • moved views to separate plugin HeuristicLab.MathematicalOptimization.Views
  • added button in LinearProgrammingProblemView to select the problem definition type
  • added views for problem definitions
  • added ExportFile parameter to LinearProgrammingAlgorithm
  • extended FileValue and FileValueView by the option to save a file
  • code cleanup
File size: 2.3 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 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 HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Optimization;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.MathematicalOptimization.LinearProgramming {
29
30  [Item("Clp/Cbc", "Clp (https://projects.coin-or.org/Clp) and Cbc (https://projects.coin-or.org/Cbc) can be used out of the box.")]
31  [StorableClass]
32  public class CoinOrSolver : IncrementalLinearSolver {
33
34    public CoinOrSolver() {
35      Parameters.Remove(solverSpecificParametersParam);
36    }
37
38    protected CoinOrSolver(CoinOrSolver original, Cloner cloner)
39      : base(original, cloner) {
40    }
41
42    [StorableConstructor]
43    protected CoinOrSolver(bool deserializing)
44      : base(deserializing) {
45    }
46
47    public override bool SupportsPause => false;
48
49    public override bool SupportsQualityUpdate => ProblemType == ProblemType.LinearProgramming;
50
51    public override bool SupportsStop => false;
52
53    protected override OptimizationProblemType OptimizationProblemType =>
54      ProblemType == ProblemType.LinearProgramming
55        ? OptimizationProblemType.ClpLinearProgramming
56        : OptimizationProblemType.CbcMixedIntegerProgramming;
57
58    public override void Solve(ILinearProgrammingProblemDefinition problemDefinition, ResultCollection results, TimeSpan timeLimit) {
59      // TODO: warning that solver cannot be stopped or paused
60      base.Solve(problemDefinition, results, timeLimit);
61    }
62  }
63}
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