[560] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2008 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 HeuristicLab.Core;
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| 27 | using System.Collections;
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| 28 | using HeuristicLab.CEDMA.DB.Interfaces;
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| 29 | using System.Xml;
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| 30 | using System.Runtime.Serialization;
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| 31 | using System.IO;
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[562] | 32 | using HeuristicLab.PluginInfrastructure;
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[567] | 33 | using HeuristicLab.Data;
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| 34 | using HeuristicLab.DataAnalysis;
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| 35 | using System.Drawing;
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[560] | 36 |
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[1073] | 37 | namespace HeuristicLab.CEDMA.Core {
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[1287] | 38 | public class Results : ItemBase {
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[1417] | 39 | private const int PAGE_SIZE = 1000;
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[1287] | 40 | private string[] categoricalVariables = null;
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| 41 | public string[] CategoricalVariables {
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| 42 | get {
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| 43 | if (categoricalVariables == null) {
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| 44 | LoadModelAttributes();
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| 45 | }
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| 46 | return categoricalVariables;
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| 47 | }
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| 48 | }
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[560] | 49 |
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[1287] | 50 | private string[] ordinalVariables = null;
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| 51 | public string[] OrdinalVariables {
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| 52 | get {
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| 53 | if (ordinalVariables == null) {
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| 54 | LoadModelAttributes();
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| 55 | }
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| 56 | return ordinalVariables;
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| 57 | }
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| 58 | }
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| 59 |
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[560] | 60 | private IStore store;
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| 61 | public IStore Store {
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| 62 | get { return store; }
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| 63 | set {
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| 64 | store = value;
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| 65 | }
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| 66 | }
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[561] | 67 |
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[1287] | 68 | private Entity dataSetEntity;
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[560] | 69 |
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[1287] | 70 | public Results(IStore store) {
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| 71 | this.store = store;
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[560] | 72 | }
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| 73 |
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[1287] | 74 | internal void FilterDataSet(Entity entity) {
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| 75 | this.dataSetEntity = entity;
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[560] | 76 | }
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| 77 |
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[1287] | 78 | private List<ResultsEntry> entries = null;
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| 79 | private bool cached = false;
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| 80 | public IEnumerable<ResultsEntry> GetEntries() {
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| 81 | if (!cached)
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| 82 | return SelectRows();
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| 83 | return entries.AsEnumerable();
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[560] | 84 | }
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| 85 |
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[1287] | 86 | private IEnumerable<ResultsEntry> SelectRows() {
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[1417] | 87 | int page = 0;
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| 88 | int resultsReturned = 0;
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| 89 | bool newEntry = false;
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[1287] | 90 | if (store == null) yield break;
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| 91 | entries = new List<ResultsEntry>();
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[1417] | 92 | do {
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| 93 | var allBindings = store.Query("<" + dataSetEntity + "> <" + Ontology.PredicateHasModel + "> ?Model ." + Environment.NewLine +
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| 94 | "?Model ?Attribute ?Value .", page, PAGE_SIZE);
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| 95 | var allModelBindings = allBindings.GroupBy(x => (Entity)x.Get("Model"));
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| 96 | resultsReturned = allBindings.Count;
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| 97 |
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| 98 | foreach (var modelBindings in allModelBindings) {
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| 99 | ResultsEntry entry = entries.FirstOrDefault(x => x.Uri == modelBindings.Key.Uri);
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| 100 | newEntry = false;
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| 101 | if (entry == null) {
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| 102 | entry = new ResultsEntry();
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| 103 | entry.Uri = modelBindings.Key.Uri;
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| 104 | entries.Add(entry);
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| 105 | newEntry = true;
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| 106 | }
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| 107 | foreach (var binding in modelBindings) {
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| 108 | if (binding.Get("Value") is Literal) {
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| 109 | string name = ((Entity)binding.Get("Attribute")).Uri.Replace(Ontology.CedmaNameSpace, "");
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| 110 | if (entry.Get(name) == null) {
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| 111 | object value = ((Literal)binding.Get("Value")).Value;
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| 112 | entry.Set(name, value);
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| 113 | }
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[1287] | 114 | }
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| 115 | }
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[1417] | 116 | if (newEntry) yield return entry;
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[1287] | 117 | }
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[1417] | 118 | page++;
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| 119 | } while (resultsReturned == PAGE_SIZE);
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[567] | 120 |
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[1287] | 121 | FireChanged();
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| 122 | cached = true;
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[560] | 123 | }
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[567] | 124 |
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[1287] | 125 | internal IEnumerable<string> SelectModelAttributes() {
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| 126 | return CategoricalVariables.Concat(OrdinalVariables);
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[567] | 127 | }
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[576] | 128 |
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[1287] | 129 | private void LoadModelAttributes() {
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| 130 | this.ordinalVariables =
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[1417] | 131 | store.Query("?ModelAttribute <" + Ontology.PredicateInstanceOf + "> <" + Ontology.TypeOrdinalAttribute + "> .", 0, 100)
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[1287] | 132 | .Select(s => ((Entity)s.Get("ModelAttribute")).Uri.Replace(Ontology.CedmaNameSpace, ""))
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| 133 | .ToArray();
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| 134 | this.categoricalVariables =
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[1417] | 135 | store.Query("?ModelAttribute <" + Ontology.PredicateInstanceOf + "> <" + Ontology.TypeCategoricalAttribute + "> .", 0, 100)
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[1287] | 136 | .Select(s => ((Entity)s.Get("ModelAttribute")).Uri.Replace(Ontology.CedmaNameSpace, ""))
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| 137 | .ToArray();
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[576] | 138 | }
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[1424] | 139 |
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| 140 | public double IndexOfCategoricalValue(string variable, object value) {
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| 141 | return 1.0; // TODO
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| 142 | }
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[560] | 143 | }
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| 144 | }
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