fr_b02 / petri / src / main / Network.java @ 7
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1 | 2 | a19coudr | package main; |
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2 | |||
3 | |||
4 | import java.util.ArrayList; |
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5 | import java.util.List; |
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6 | |||
7 | 4 | a19coudr | import arcElement.Arc; |
8 | import arcElement.ArcCleaner; |
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9 | import arcElement.ArcEntering; |
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10 | import arcElement.ArcOutering; |
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11 | import arcElement.ArcZero; |
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12 | 3 | a19coudr | import element.Place; |
13 | 4 | a19coudr | import element.Place.UndefinedToken; |
14 | 3 | a19coudr | import element.Transition; |
15 | |||
16 | 2 | a19coudr | public class Network { |
17 | 7 | a19coudr | //constant for the methode add arc
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18 | 2 | a19coudr | public static int ArcOutering = 2; |
19 | public static int ArcCleaner = 1; |
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20 | public static int ArcZero = 0; |
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21 | public static int ArcEntering = 3; |
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22 | 5 | a19coudr | |
23 | 2 | a19coudr | private List<Place> placeList; |
24 | private List<Transition> listTransition; |
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25 | public Network() {
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26 | this.placeList=new ArrayList<Place>(); |
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27 | this.listTransition=new ArrayList<Transition>(); |
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28 | |||
29 | } |
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30 | |||
31 | 7 | a19coudr | /**
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32 | * create a new transition
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33 | */
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34 | 2 | a19coudr | public void addTransition() { |
35 | Transition transition = new Transition();
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36 | listTransition.add(transition); |
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37 | } |
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38 | 7 | a19coudr | /**
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39 | * create a new place
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40 | */
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41 | 4 | a19coudr | public void addPlace(int value) throws UndefinedToken { |
42 | 2 | a19coudr | Place place = new Place(value);
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43 | placeList.add(place); |
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44 | } |
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45 | 5 | a19coudr | @SuppressWarnings("serial") |
46 | public class UndefinedIdentifier extends Exception{ |
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47 | public UndefinedIdentifier() {
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48 | super("the identifier cannot take this value"); |
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49 | } |
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50 | 2 | a19coudr | |
51 | 5 | a19coudr | } |
52 | 7 | a19coudr | /**
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53 | * create a new arc
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54 | * @param transtion the transition link to this arc
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55 | * @param place the place link to this arc
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56 | * @param the value of this arc
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57 | * @param identifier the integer that correspond to the type of arc (define as static)
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58 | */
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59 | 5 | a19coudr | public void addArc(Transition transition, Place place, int value, int identifier) throws UndefinedIdentifier { |
60 | 2 | a19coudr | |
61 | if (identifier==ArcZero) {
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62 | transition.getArcList().add(new ArcZero(place, value));
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63 | } |
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64 | else if(identifier==ArcCleaner) { |
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65 | transition.getArcList().add(new ArcCleaner(place));
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66 | } |
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67 | else if(identifier==ArcOutering) { |
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68 | transition.getArcList().add(new ArcOutering(place,value));
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69 | }else if(identifier==ArcEntering) { |
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70 | transition.getArcList().add( new ArcEntering(place,value));
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71 | 5 | a19coudr | }else {
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72 | throw new UndefinedIdentifier(); |
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73 | 2 | a19coudr | } |
74 | |||
75 | } |
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76 | 7 | a19coudr | /**
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77 | * delete an arc
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78 | */
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79 | 2 | a19coudr | public void deleteArc(Arc a) { |
80 | 5 | a19coudr | Arc aToDelete = null;
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81 | 2 | a19coudr | for(Transition transition: listTransition) {
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82 | for(Arc arc:transition.getArcList()) {
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83 | if(arc.equals(a)) {
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84 | 5 | a19coudr | aToDelete=arc; } |
85 | 2 | a19coudr | } |
86 | 5 | a19coudr | transition.getArcList().remove(aToDelete); |
87 | 2 | a19coudr | } |
88 | |||
89 | } |
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90 | 7 | a19coudr | /**
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91 | * delete a place an the arcs link to it
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92 | */
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93 | 2 | a19coudr | public void deletePlace( Place place) { |
94 | 7 | a19coudr | List<Arc> aToDelete = new ArrayList<Arc>(); |
95 | 2 | a19coudr | for(Transition transition: listTransition) {
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96 | for(Arc arc:transition.getArcList()) {
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97 | if(arc.getPlace().equals(place)) {
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98 | 7 | a19coudr | aToDelete.add(arc); |
99 | 2 | a19coudr | } |
100 | } |
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101 | 7 | a19coudr | aToDelete.forEach((Arc a)->{ |
102 | deleteArc(a); |
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103 | }); |
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104 | 5 | a19coudr | placeList.remove(place); |
105 | |||
106 | 2 | a19coudr | } |
107 | 5 | a19coudr | |
108 | 2 | a19coudr | } |
109 | 7 | a19coudr | /**
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110 | * delete a transition
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111 | */
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112 | 2 | a19coudr | public void deleteTransition(Transition transition) { |
113 | 5 | a19coudr | |
114 | 2 | a19coudr | listTransition.remove(transition); |
115 | } |
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116 | 7 | a19coudr | /**
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117 | * fire the transition selected
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118 | */
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119 | 2 | a19coudr | public void fire(Transition transition) { |
120 | if (transition.isPullable()==true) { |
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121 | transition.doTransition(); |
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122 | } |
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123 | } |
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124 | 7 | a19coudr | /**
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125 | * string representation of a network
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126 | */
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127 | 2 | a19coudr | public String toString() { |
128 | String res= "["; |
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129 | for(int i=0;listTransition.size()>i;i++ ) { |
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130 | res=res+"transtion "+i+" :"+listTransition.get(i).toString()+", "; |
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131 | } |
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132 | res=res+"]";
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133 | return res;
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134 | } |
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135 | 7 | a19coudr | //example of Petri network
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136 | 5 | a19coudr | public static void main(String[] args) throws UndefinedToken, UndefinedIdentifier { |
137 | |||
138 | 2 | a19coudr | Network n0=new Network();
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139 | n0.addPlace(5);
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140 | n0.addPlace(4);
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141 | n0.addTransition(); |
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142 | n0.addArc(n0.listTransition.get(0), n0.placeList.get(0), 2, ArcEntering); |
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143 | n0.addArc(n0.listTransition.get(0), n0.placeList.get(1), 2, ArcOutering); |
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144 | System.out.println(""); |
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145 | 5 | a19coudr | System.out.println("RESEAU DE PETRI une transtion, un arcOutering un arcEntering"); |
146 | 2 | a19coudr | System.out.println(""); |
147 | System.out.println("situtation initial : "); |
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148 | System.out.println(n0);
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149 | 5 | a19coudr | |
150 | 2 | a19coudr | System.out.println("fire 1 : "); |
151 | n0.fire(n0.listTransition.get(0));
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152 | System.out.println(n0);
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153 | 5 | a19coudr | |
154 | 2 | a19coudr | System.out.println("fire 2 : "); |
155 | n0.fire(n0.listTransition.get(0));
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156 | System.out.println(n0);
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157 | 5 | a19coudr | |
158 | 2 | a19coudr | System.out.println("fire 3 : "); |
159 | n0.fire(n0.listTransition.get(0));
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160 | System.out.println(n0);
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161 | |||
162 | 5 | a19coudr | |
163 | 2 | a19coudr | } |
164 | |||
165 | 4 | a19coudr | |
166 | public List<Place> getPlaceList() { |
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167 | return placeList;
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168 | } |
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169 | |||
170 | |||
171 | public List<Transition> getListTransition() { |
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172 | return listTransition;
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173 | } |
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174 | |||
175 | 2 | a19coudr | } |