feat(astar): create labels by algorithm

be-graphes-algos/src/main/java/org/insa/graphs/algorithm/shortestpath/AStarAlgorithm.java

@@ -1,9 +1,18 @@
 package org.insa.graphs.algorithm.shortestpath;
 
+import org.insa.graphs.model.Node;
+
 public class AStarAlgorithm extends DijkstraAlgorithm {
+    private Node destination;
+
+    @Override
+    protected Label createLabel(Node node) {
+        return new LabelStar(node, destination);
+    }
 
     public AStarAlgorithm(ShortestPathData data) {
         super(data);
+        destination = data.getDestination();
     }
 
 }

be-graphes-algos/src/main/java/org/insa/graphs/algorithm/shortestpath/DijkstraAlgorithm.java

@@ -16,6 +16,10 @@ public class DijkstraAlgorithm extends ShortestPathAlgorithm {
         super(data);
     }
 
+    protected Label createLabel(Node node) {
+        return new Label(node);
+    }
+
     @Override
     protected ShortestPathSolution doRun() {
 
@@ -38,7 +42,7 @@ public class DijkstraAlgorithm extends ShortestPathAlgorithm {
         for (Node node : graph.getNodes()) {
             // Luckily they are ordered by id.
             // ArrayList.set only works if the value is already initialized (because why Java?)
-            labels.add(new Label(node));
+            labels.add(this.createLabel(node));
         }
 
         Label s = labels.get(data.getOrigin().getId());