This commit is contained in:
Georgia Koutsodima 2023-03-29 16:00:15 +02:00
commit bd9d89eaf5

View file

@ -55,9 +55,19 @@ public class Path {
public static Path createShortestPathFromNodes(Graph graph, List<Node> nodes) public static Path createShortestPathFromNodes(Graph graph, List<Node> nodes)
throws IllegalArgumentException { throws IllegalArgumentException {
List<Arc> arcs = new ArrayList<Arc>(); List<Arc> arcs = new ArrayList<Arc>();
Arc candidat = null; List<Node> nodes2 = nodes;
Node deb = nodes.remove(0); Arc candidat = null; //arc candidat à être le plus court entre deux nodes
for(Node fin : nodes){
if(nodes.size()==0){
return new Path(graph);
}
else if(nodes.size()==1){
return new Path(graph,nodes.get(0));
}
else{
Node deb = nodes2.get(0);
for(Node fin : nodes2){
if(!fin.equals(deb)){
float dist = Float.MAX_VALUE; float dist = Float.MAX_VALUE;
for(Arc a : deb.getSuccessors()){ for(Arc a : deb.getSuccessors()){
if(a.getDestination().equals(fin)&&dist>a.getLength()){ if(a.getDestination().equals(fin)&&dist>a.getLength()){
@ -65,12 +75,15 @@ public class Path {
candidat=a; candidat=a;
} }
} }
if(dist==Float.MAX_VALUE){ if(dist==Float.MAX_VALUE){
throw new IllegalArgumentException("Liste de noeuds non valide"); throw new IllegalArgumentException("Liste de noeuds non valide");
} }
arcs.add(candidat); arcs.add(candidat);
deb = fin; deb = fin;
} }
}
}
return new Path(graph, arcs); return new Path(graph, arcs);
} }