Clean code, remove remaining debug attribute.

src/main/org/insa/graph/ArcForward.java

@@ -0,0 +1,81 @@
+package org.insa.graph;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public class Arc {
+
+    // Destination node.
+    private final Node origin, destination;
+
+    // Length of the road (in meters).
+    private final int length;
+
+    // Road information.
+    private final RoadInformation info;
+
+    // Segments.
+    private final ArrayList<Point> points;
+
+    /**
+     * Create a new arc and automatically link it with the given origin.
+     * 
+     * @param origin Origin of this arc.
+     * @param dest Destination of this arc.
+     * @param length Length of this arc (in meters).
+     * @param roadInformation Road information for this arc.
+     * @param points Points representing this arc.
+     */
+    public Arc(Node origin, Node dest, int length, RoadInformation roadInformation, ArrayList<Point> points) {
+        this.origin = origin;
+        this.destination = dest;
+        this.length = length;
+        this.info = roadInformation;
+        this.points = points;
+        origin.addSuccessor(this);
+    }
+
+    /**
+     * @return Origin node of this arc.
+     */
+    public Node getOrigin() {
+        return origin;
+    }
+
+    /**
+     * @return Destination node of this arc.
+     */
+    public Node getDestination() {
+        return destination;
+    }
+
+    /**
+     * @return Length of this arc, in meters.
+     */
+    public int getLength() {
+        return length;
+    }
+
+    /**
+     * @return Minimum time required to travel this arc, in seconds.
+     */
+    public double getMinimumTravelTime() {
+        return getLength() * 3600.0 / (info.getMaximumSpeed() * 1000.0);
+    }
+
+    /**
+     * @return Road information for this arc.
+     */
+    public RoadInformation getRoadInformation() {
+        return info;
+    }
+
+    /**
+     * @return Points representing segments of this arc.
+     */
+    public List<Point> getPoints() {
+        return Collections.unmodifiableList(points);
+    }
+
+}