[8924] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[14186] | 3 | * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[8924] | 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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[7228] | 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.Common;
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| 27 | using HeuristicLab.Core;
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| 28 | using HeuristicLab.Data;
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| 29 | using HeuristicLab.Parameters;
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| 30 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 31 |
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| 32 | namespace HeuristicLab.Optimization {
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| 33 |
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| 34 | [Item("RunCollection Formula Modifier", "Modifies a RunCollection by adding results using the given formula.")]
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| 35 | [StorableClass]
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| 36 | public class RunCollectionFormulaModifer : ParameterizedNamedItem, IRunCollectionModifier {
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| 37 |
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| 38 | public override bool CanChangeName { get { return false; } }
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| 39 | public override bool CanChangeDescription { get { return false; } }
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| 40 |
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| 41 | public ValueParameter<StringValue> ResultNameParameter {
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| 42 | get { return (ValueParameter<StringValue>)Parameters["ResultName"]; }
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| 43 | }
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| 44 |
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| 45 | public ValueParameter<StringValue> FormulaParameter {
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| 46 | get { return (ValueParameter<StringValue>)Parameters["Formula"]; }
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| 47 | }
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| 48 |
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| 49 | private string ResultName { get { return ResultNameParameter.Value.Value; } }
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| 50 | private string Formula { get { return FormulaParameter.Value.Value; } }
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| 51 |
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| 52 | #region Construction & Cloning
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| 53 | [StorableConstructor]
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| 54 | protected RunCollectionFormulaModifer(bool deserializing) : base(deserializing) { }
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| 55 | protected RunCollectionFormulaModifer(RunCollectionFormulaModifer original, Cloner cloner)
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| 56 | : base(original, cloner) {
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| 57 | RegisterEvents();
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| 58 | }
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| 59 | public RunCollectionFormulaModifer() {
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| 60 | Parameters.Add(new ValueParameter<StringValue>("ResultName", "The name of the result to be generated by this formula.", new StringValue("Calc.Value")));
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| 61 | Parameters.Add(new ValueParameter<StringValue>("Formula",
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| 62 | @"RPN formula for new value in postfix notation.
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| 63 |
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| 64 | This can contain the following elements:
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| 65 |
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| 66 | literals:
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| 67 | numbers, true, false, null and strings in single quotes
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| 68 | variables (run parameters or results):
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| 69 | unquoted or in double quotes if they contain special characters or whitespace
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[12719] | 70 | mathematical functions (resulting in double values):
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| 71 | +, -, *, /, ^ (power), log
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[7228] | 72 | predicates:
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| 73 | ==, <, >, isnull, not
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[12719] | 74 | conversions:
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| 75 | toint, todouble
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| 76 | array indexing:
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| 77 | []
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[7228] | 78 | stack manipulation:
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| 79 | drop swap dup
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| 80 | string matching:
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| 81 | <string> <pattern> ismatch
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| 82 | string replacing:
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| 83 | <string> <pattern> <replacement> rename
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| 84 | conditionals:
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| 85 | <then> <else> <condition> if
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| 86 |
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| 87 | If the final value is null, the result variable is removed if it exists.",
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| 88 | new StringValue("1 1 +")));
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| 89 | UpdateName();
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| 90 | RegisterEvents();
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| 91 | }
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| 92 | public override IDeepCloneable Clone(Cloner cloner) {
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| 93 | return new RunCollectionFormulaModifer(this, cloner);
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| 94 | }
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| 95 | [StorableHook(HookType.AfterDeserialization)]
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| 96 | private void AfterDeserialization() {
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| 97 | RegisterEvents();
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| 98 | }
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| 99 | #endregion
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| 100 |
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| 101 | private void RegisterEvents() {
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| 102 | ResultNameParameter.ToStringChanged += Parameter_NameChanged;
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| 103 | FormulaParameter.ToStringChanged += Parameter_NameChanged;
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| 104 | }
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| 105 |
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| 106 | void Parameter_NameChanged(object sender, EventArgs e) {
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| 107 | UpdateName();
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| 108 | }
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| 109 |
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| 110 | private void UpdateName() {
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| 111 | name = string.Format("{0} := {1}", ResultName, Formula);
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| 112 | OnNameChanged();
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| 113 | }
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| 114 |
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| 115 | public void Modify(List<IRun> runs) {
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| 116 | var calc = new Calculator { Formula = Formula };
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| 117 | foreach (var run in runs) {
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| 118 | var variables = new Dictionary<string, IItem>();
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| 119 | foreach (var param in run.Parameters)
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| 120 | variables[param.Key] = param.Value;
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| 121 | foreach (var result in run.Results)
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| 122 | variables[result.Key] = result.Value;
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| 123 | try {
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| 124 | var value = calc.GetValue(variables);
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| 125 | if (value != null)
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| 126 | run.Results[ResultName] = value;
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| 127 | else
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| 128 | run.Results.Remove(ResultName);
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| 129 | } catch (Exception x) {
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| 130 | throw new Exception(string.Format("Calculation failed at Run {0}", run.Name), x);
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| 131 | }
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| 132 | }
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| 133 | }
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| 134 |
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| 135 | }
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| 136 | }
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