Implemented getLength

be-graphes-model/src/main/java/org/insa/graphs/model/Path.java

@@ -209,12 +209,14 @@ public class Path {
      * Compute the length of this path (in meters).
      * 
      * @return Total length of the path (in meters).
-     * 
-     * @deprecated Need to be implemented.
+     *
      */
     public float getLength() {
-        // TODO:
-        return 0;
+        float length = 0;
+        for (Arc a : this.arcs) {
+            length += a.getLength();
+        }
+        return length;
     }
 
     /**