1 | #region License Information
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2 | /* SimSharp - A .NET port of SimPy, discrete event simulation framework
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3 | Copyright (C) 2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 |
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5 | This program is free software: you can redistribute it and/or modify
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6 | it under the terms of the GNU General Public License as published by
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7 | the Free Software Foundation, either version 3 of the License, or
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8 | (at your option) any later version.
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9 |
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10 | This program is distributed in the hope that it will be useful,
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11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | GNU General Public License for more details.
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14 |
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15 | You should have received a copy of the GNU General Public License
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16 | along with this program. If not, see <http://www.gnu.org/licenses/>.*/
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17 | #endregion
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18 |
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19 | using System;
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20 |
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21 | namespace SimSharp {
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22 | public sealed class PreemptiveRequest : Request, IComparable<PreemptiveRequest>, IComparable {
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23 | public double Priority { get; private set; }
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24 | public bool Preempt { get; private set; }
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25 | public bool IsPreempted { get; internal set; }
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26 |
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27 | public PreemptiveRequest(Simulation environment, Action<Event> callback, Action<Event> disposeCallback, double priority = 1, bool preempt = false)
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28 | : base(environment, callback, disposeCallback) {
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29 | Priority = priority;
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30 | Preempt = preempt;
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31 | }
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32 |
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33 | public int CompareTo(PreemptiveRequest other) {
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34 | if (Priority > other.Priority) return 1;
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35 | else if (Priority < other.Priority) return -1;
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36 | if (Time > other.Time) return 1;
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37 | else if (Time < other.Time) return -1;
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38 | if (!Preempt && other.Preempt) return 1;
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39 | else if (Preempt && !other.Preempt) return -1;
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40 | return 0;
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41 | }
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42 |
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43 | public int CompareTo(object obj) {
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44 | if (obj is PreemptiveRequest other) return CompareTo(other);
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45 | if (obj == null) return 1;
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46 | throw new ArgumentException("Can only compare to other objects of type PreemptiveRequest");
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47 | }
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48 | }
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49 | }
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