[2669] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[9456] | 3 | * Copyright (C) 2002-2013 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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[9432] | 36 | private const int maximumToStringLength = 100;
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| 37 |
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[7201] | 38 | public static new Image StaticItemImage {
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[5287] | 39 | get { return HeuristicLab.Common.Resources.VSImageLibrary.Class; }
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[3306] | 40 | }
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| 41 |
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[2694] | 42 | [Storable]
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[3054] | 43 | protected T[] array;
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[2669] | 44 |
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[3054] | 45 | public virtual int Length {
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[2669] | 46 | get { return array.Length; }
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[8587] | 47 | #region Mono Compatibility
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| 48 | // this setter should be protected, but the Mono compiler couldn't handle it
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| 49 | set {
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[3430] | 50 | if (ReadOnly) throw new NotSupportedException("Length cannot be set. ValueTypeArray is read-only.");
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[2677] | 51 | if (value != Length) {
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| 52 | Array.Resize<T>(ref array, value);
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| 53 | OnReset();
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| 54 | }
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[2669] | 55 | }
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[8587] | 56 | #endregion
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[2669] | 57 | }
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[3054] | 58 | public virtual T this[int index] {
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[2669] | 59 | get { return array[index]; }
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| 60 | set {
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[3430] | 61 | if (ReadOnly) throw new NotSupportedException("Item cannot be set. ValueTypeArray is read-only.");
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[2669] | 62 | if (!value.Equals(array[index])) {
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| 63 | array[index] = value;
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| 64 | OnItemChanged(index);
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| 65 | }
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| 66 | }
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| 67 | }
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| 68 |
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[3430] | 69 | [Storable]
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| 70 | protected bool readOnly;
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| 71 | public virtual bool ReadOnly {
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| 72 | get { return readOnly; }
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| 73 | }
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| 74 |
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[4722] | 75 | [StorableConstructor]
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| 76 | protected ValueTypeArray(bool deserializing) : base(deserializing) { }
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| 77 | protected ValueTypeArray(ValueTypeArray<T> original, Cloner cloner)
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| 78 | : base(original, cloner) {
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| 79 | this.array = (T[])original.array.Clone();
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| 80 | this.readOnly = original.readOnly;
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| 81 | }
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[3054] | 82 | protected ValueTypeArray() {
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[2669] | 83 | array = new T[0];
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[3430] | 84 | readOnly = false;
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[2669] | 85 | }
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[3054] | 86 | protected ValueTypeArray(int length) {
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[2669] | 87 | array = new T[length];
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[3430] | 88 | readOnly = false;
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[2669] | 89 | }
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[3054] | 90 | protected ValueTypeArray(T[] elements) {
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[2669] | 91 | if (elements == null) throw new ArgumentNullException();
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| 92 | array = (T[])elements.Clone();
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[3430] | 93 | readOnly = false;
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[2669] | 94 | }
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| 95 |
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[3430] | 96 | public virtual ValueTypeArray<T> AsReadOnly() {
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| 97 | ValueTypeArray<T> readOnlyValueTypeArray = (ValueTypeArray<T>)this.Clone();
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| 98 | readOnlyValueTypeArray.readOnly = true;
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| 99 | return readOnlyValueTypeArray;
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| 100 | }
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| 101 |
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[2669] | 102 | public override string ToString() {
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[9432] | 103 | if (array.Length == 0) return "[]";
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| 104 |
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[2669] | 105 | StringBuilder sb = new StringBuilder();
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| 106 | sb.Append("[");
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[9432] | 107 | sb.Append(array[0].ToString());
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| 108 | for (int i = 1; i < array.Length; i++) {
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| 109 | sb.Append(";").Append(array[i].ToString());
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| 110 | if (sb.Length > maximumToStringLength) {
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| 111 | sb.Append("...");
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| 112 | break;
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| 113 | }
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[2669] | 114 | }
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| 115 | sb.Append("]");
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| 116 | return sb.ToString();
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| 117 | }
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| 118 |
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[3430] | 119 | public virtual IEnumerator<T> GetEnumerator() {
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| 120 | return array.Cast<T>().GetEnumerator();
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[2669] | 121 | }
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| 122 |
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[3430] | 123 | IEnumerator IEnumerable.GetEnumerator() {
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| 124 | return GetEnumerator();
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| 125 | }
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| 126 |
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[2973] | 127 | public event EventHandler<EventArgs<int>> ItemChanged;
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[3054] | 128 | protected virtual void OnItemChanged(int index) {
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[2669] | 129 | if (ItemChanged != null)
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[2973] | 130 | ItemChanged(this, new EventArgs<int>(index));
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[9432] | 131 | if (index < maximumToStringLength)
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| 132 | OnToStringChanged();
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[2669] | 133 | }
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[2973] | 134 | public event EventHandler Reset;
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[3054] | 135 | protected virtual void OnReset() {
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[2676] | 136 | if (Reset != null)
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| 137 | Reset(this, EventArgs.Empty);
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[2932] | 138 | OnToStringChanged();
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[2676] | 139 | }
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[2669] | 140 | }
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| 141 | }
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