[372] | 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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[357] | 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.Xml;
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[372] | 28 | using HeuristicLab.CEDMA.DB.Interfaces;
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[503] | 29 | using HeuristicLab.Operators;
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[357] | 30 |
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[377] | 31 | namespace HeuristicLab.CEDMA.Core {
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[1287] | 32 | public class DataSet : IViewable {
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[957] | 33 | public IStore Store { get; set; }
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[1287] | 34 |
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| 35 | private Guid guid;
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| 36 | public Guid Guid {
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| 37 | get { return guid; }
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| 38 | }
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| 39 |
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| 40 | private string name;
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| 41 | public string Name {
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| 42 | get { return name; }
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| 43 | set { name = value; }
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| 44 | }
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| 45 |
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[957] | 46 | private Problem problem;
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| 47 | public Problem Problem {
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[1287] | 48 | get {
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| 49 | // lazy loading of problem from DB
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| 50 | if (problem == null) {
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| 51 | //var serializedDataVar = new HeuristicLab.CEDMA.DB.Interfaces.Variable("SerializedData");
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| 52 | //var persistedData = Store.Query(
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| 53 | // new Statement[] { new Statement(new Entity(Ontology.CedmaNameSpace + Guid), Ontology.PredicateSerializedData, serializedDataVar)});
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| 54 | var persistedData = Store.Query(
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| 55 | "<" + Ontology.CedmaNameSpace + Guid + "> <" + Ontology.PredicateSerializedData.Uri + "> ?SerializedData .");
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| 56 | if (persistedData.Count() == 1) {
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| 57 | Literal persistedLiteral = (Literal)persistedData.First().Get("SerializedData");
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| 58 | this.problem = (Problem)PersistenceManager.RestoreFromGZip(Convert.FromBase64String((string)persistedLiteral.Value));
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| 59 | } else
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| 60 | this.problem = new Problem(); // no entry in the DB => create a new problem
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| 61 | }
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| 62 | return problem;
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| 63 | }
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[357] | 64 | }
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| 65 |
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[957] | 66 | public DataSet()
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[372] | 67 | : base() {
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[1287] | 68 | guid = Guid.NewGuid();
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| 69 | name = "Data set";
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[357] | 70 | }
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[372] | 71 |
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[1287] | 72 | public DataSet(IStore store, Entity dataSetEntity)
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[377] | 73 | : this() {
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[957] | 74 | Store = store;
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[1287] | 75 | guid = new Guid(dataSetEntity.Uri.Remove(0, Ontology.CedmaNameSpace.Length));
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| 76 | name = guid.ToString();
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[372] | 77 | }
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| 78 |
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[957] | 79 | public void Activate() {
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[1287] | 80 | Entity myEntity = new Entity(Ontology.CedmaNameSpace + Guid);
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| 81 | Store.Add(new Statement(myEntity, Ontology.PredicateInstanceOf, Ontology.TypeDataSet));
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| 82 | Store.Add(new Statement(myEntity, Ontology.PredicateSerializedData, new Literal(Convert.ToBase64String(PersistenceManager.SaveToGZip(problem)))));
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| 83 | Store.Add(new Statement(myEntity, Ontology.PredicateName, new Literal(name)));
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[372] | 84 | }
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| 85 |
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[403] | 86 | public IView CreateView() {
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[957] | 87 | return new DataSetView(this);
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[393] | 88 | }
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[1287] | 89 |
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| 90 | internal Results GetResults() {
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| 91 | Results results = new Results(Store);
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| 92 | results.FilterDataSet(new Entity(Ontology.CedmaNameSpace + Guid));
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| 93 | return results;
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| 94 | }
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[357] | 95 | }
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| 96 | }
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