[2669] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[7270] | 3 | * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[2669] | 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;
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[3430] | 24 | using System.Collections.Generic;
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[3306] | 25 | using System.Drawing;
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[3430] | 26 | using System.Linq;
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[2669] | 27 | using System.Text;
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| 28 | using HeuristicLab.Common;
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| 29 | using HeuristicLab.Core;
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| 30 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 31 |
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| 32 | namespace HeuristicLab.Data {
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[3822] | 33 | [Item("ValueTypeArray", "An abstract base class for representing arrays of value types.")]
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[3017] | 34 | [StorableClass]
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[3430] | 35 | public abstract class ValueTypeArray<T> : Item, IEnumerable<T> where T : struct {
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[7270] | 36 | public static new Image StaticItemImage {
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[5287] | 37 | get { return HeuristicLab.Common.Resources.VSImageLibrary.Class; }
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[3306] | 38 | }
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| 39 |
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[2694] | 40 | [Storable]
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[3054] | 41 | protected T[] array;
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[2669] | 42 |
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[3054] | 43 | public virtual int Length {
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[2669] | 44 | get { return array.Length; }
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| 45 | protected set {
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[3430] | 46 | if (ReadOnly) throw new NotSupportedException("Length cannot be set. ValueTypeArray is read-only.");
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[2677] | 47 | if (value != Length) {
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| 48 | Array.Resize<T>(ref array, value);
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| 49 | OnReset();
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| 50 | }
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[2669] | 51 | }
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| 52 | }
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[3054] | 53 | public virtual T this[int index] {
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[2669] | 54 | get { return array[index]; }
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| 55 | set {
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[3430] | 56 | if (ReadOnly) throw new NotSupportedException("Item cannot be set. ValueTypeArray is read-only.");
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[2669] | 57 | if (!value.Equals(array[index])) {
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| 58 | array[index] = value;
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| 59 | OnItemChanged(index);
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| 60 | }
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| 61 | }
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| 62 | }
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| 63 |
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[3430] | 64 | [Storable]
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| 65 | protected bool readOnly;
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| 66 | public virtual bool ReadOnly {
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| 67 | get { return readOnly; }
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| 68 | }
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| 69 |
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[4722] | 70 | [StorableConstructor]
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| 71 | protected ValueTypeArray(bool deserializing) : base(deserializing) { }
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| 72 | protected ValueTypeArray(ValueTypeArray<T> original, Cloner cloner)
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| 73 | : base(original, cloner) {
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| 74 | this.array = (T[])original.array.Clone();
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| 75 | this.readOnly = original.readOnly;
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| 76 | }
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[3054] | 77 | protected ValueTypeArray() {
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[2669] | 78 | array = new T[0];
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[3430] | 79 | readOnly = false;
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[2669] | 80 | }
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[3054] | 81 | protected ValueTypeArray(int length) {
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[2669] | 82 | array = new T[length];
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[3430] | 83 | readOnly = false;
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[2669] | 84 | }
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[3054] | 85 | protected ValueTypeArray(T[] elements) {
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[2669] | 86 | if (elements == null) throw new ArgumentNullException();
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| 87 | array = (T[])elements.Clone();
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[3430] | 88 | readOnly = false;
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[2669] | 89 | }
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| 90 |
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[3430] | 91 | public virtual ValueTypeArray<T> AsReadOnly() {
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| 92 | ValueTypeArray<T> readOnlyValueTypeArray = (ValueTypeArray<T>)this.Clone();
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| 93 | readOnlyValueTypeArray.readOnly = true;
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| 94 | return readOnlyValueTypeArray;
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| 95 | }
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| 96 |
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[2669] | 97 | public override string ToString() {
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| 98 | StringBuilder sb = new StringBuilder();
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| 99 | sb.Append("[");
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| 100 | if (array.Length > 0) {
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| 101 | sb.Append(array[0].ToString());
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| 102 | for (int i = 1; i < array.Length; i++)
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| 103 | sb.Append(";").Append(array[i].ToString());
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| 104 | }
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| 105 | sb.Append("]");
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| 106 | return sb.ToString();
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| 107 | }
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| 108 |
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[3430] | 109 | public virtual IEnumerator<T> GetEnumerator() {
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| 110 | return array.Cast<T>().GetEnumerator();
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[2669] | 111 | }
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| 112 |
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[3430] | 113 | IEnumerator IEnumerable.GetEnumerator() {
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| 114 | return GetEnumerator();
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| 115 | }
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| 116 |
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[2973] | 117 | public event EventHandler<EventArgs<int>> ItemChanged;
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[3054] | 118 | protected virtual void OnItemChanged(int index) {
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[2669] | 119 | if (ItemChanged != null)
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[2973] | 120 | ItemChanged(this, new EventArgs<int>(index));
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[2932] | 121 | OnToStringChanged();
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[2669] | 122 | }
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[2973] | 123 | public event EventHandler Reset;
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[3054] | 124 | protected virtual void OnReset() {
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[2676] | 125 | if (Reset != null)
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| 126 | Reset(this, EventArgs.Empty);
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[2932] | 127 | OnToStringChanged();
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[2676] | 128 | }
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[2669] | 129 | }
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| 130 | }
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