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) 2002-2018 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 | using System.Collections.Generic;
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21 | using System.Linq;
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22 |
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23 | namespace SimSharp {
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24 | public class Container {
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25 | public double Level { get; protected set; }
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26 | public double Capacity { get; protected set; }
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27 | protected Environment Environment { get; private set; }
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28 |
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29 | protected Queue<ContainerPut> PutQueue { get; private set; }
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30 | protected Queue<ContainerGet> GetQueue { get; private set; }
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31 |
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32 | public Container(Environment environment, double capacity = double.MaxValue, double initial = 0) {
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33 | if (capacity <= 0) throw new ArgumentException("Capacity must be > 0", "capacity");
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34 | if (initial < 0) throw new ArgumentException("Initial must be >= 0", "initial");
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35 | if (initial > capacity) throw new ArgumentException("Initial must be <= capacity", "initial");
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36 | Environment = environment;
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37 | Capacity = capacity;
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38 | Level = initial;
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39 | PutQueue = new Queue<ContainerPut>();
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40 | GetQueue = new Queue<ContainerGet>();
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41 | }
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42 |
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43 | public virtual ContainerPut Put(double amount) {
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44 | if (amount > Capacity) throw new ArgumentException("Cannot put more than capacity", "amount");
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45 | var put = new ContainerPut(Environment, TriggerGet, amount);
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46 | PutQueue.Enqueue(put);
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47 | TriggerPut();
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48 | return put;
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49 | }
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50 |
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51 | public virtual ContainerGet Get(double amount) {
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52 | if (amount > Capacity) throw new ArgumentException("Cannot get more than capacity", "amount");
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53 | var get = new ContainerGet(Environment, TriggerPut, amount);
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54 | GetQueue.Enqueue(get);
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55 | TriggerGet();
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56 | return get;
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57 | }
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58 |
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59 | protected virtual void DoPut(ContainerPut put) {
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60 | if (Capacity - Level >= put.Amount) {
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61 | Level += put.Amount;
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62 | put.Succeed();
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63 | }
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64 | }
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65 |
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66 | protected virtual void DoGet(ContainerGet get) {
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67 | if (Level >= get.Amount) {
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68 | Level -= get.Amount;
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69 | get.Succeed();
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70 | }
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71 | }
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72 |
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73 | protected virtual void TriggerPut(Event @event = null) {
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74 | while (PutQueue.Count > 0) {
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75 | var put = PutQueue.Peek();
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76 | DoPut(put);
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77 | if (put.IsTriggered) {
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78 | PutQueue.Dequeue();
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79 | } else break;
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80 | }
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81 | }
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82 |
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83 | protected virtual void TriggerGet(Event @event = null) {
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84 | while (GetQueue.Count > 0) {
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85 | var get = GetQueue.Peek();
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86 | DoGet(get);
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87 | if (get.IsTriggered) {
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88 | GetQueue.Dequeue();
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89 | } else break;
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90 | }
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91 | }
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92 | }
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93 | }
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