Enforce immutability via final and unmodifiableList.

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

@@ -1,85 +1,75 @@
-package org.insa.graph ;
+package org.insa.graph;
 
 /**
- * Class containing information for road that may be shared
- * by multiple arcs.
+ * Class containing information for road that may be shared by multiple arcs.
  * 
  */
 public class RoadInformation {
-	
-	/**
-	 * Road type.
-	 */
-	public enum RoadType {
-		MOTORWAY,
-		TRUNK,
-		PRIMARY,
-		SECONDARY,
-		MOTORWAY_LINK,
-		TRUNK_LINK,
-		PRIMARY_LINK,
-		SECONDARY_LINK,
-		TERTIARY,
-		RESIDENTIAL,
-		UNCLASSIFIED,
-		ROAD,
-		LIVING_STREET,
-		SERVICE,
-		ROUNDABOUT,
-		COASTLINE
-	}
 
-	// Type of the road (see above).
-	private RoadType type;
+    /**
+     * Road type.
+     */
+    public enum RoadType {
+        MOTORWAY, TRUNK, PRIMARY, SECONDARY, MOTORWAY_LINK, TRUNK_LINK, PRIMARY_LINK, SECONDARY_LINK, TERTIARY, RESIDENTIAL, UNCLASSIFIED, ROAD, LIVING_STREET, SERVICE, ROUNDABOUT, COASTLINE
+    }
 
-	// One way road?
-	private boolean oneway;
+    // Type of the road (see above).
+    private final RoadType type;
 
-	// Max speed in kilometers per hour.
-	private int maxSpeed;
+    // One way road?
+    private final boolean oneway;
 
-	// Name of the road.
-	private String name;
+    // Max speed in kilometers per hour.
+    private final int maxSpeed;
 
-	public RoadInformation(RoadType roadType, boolean isOneWay, int maxSpeed, String name) {
-		this.type = roadType;
-		this.oneway = isOneWay;
-		this.maxSpeed = maxSpeed;
-		this.name = name;
-	}
-	
-	/**
-	 * @return Type of the road.
-	 */
-	public RoadType getType() { return type; }
-	
-	/**
-	 * @return true if this is a one-way road.
-	 */
-	public boolean isOneWay() { return oneway; }
-	
-	/**
-	 * @return Maximum speed for this road (in km/h).
-	 */
-	public int getMaximumSpeed() { return maxSpeed; }
-	
-	/**
-	 * @return Name of the road.
-	 */
-	public String getName() { return name; }
+    // Name of the road.
+    private final String name;
 
-	@Override
-	public String toString() {
-		String typeAsString = "road";
-		if (getType() == RoadType.COASTLINE) {
-			typeAsString = "coast";
-		}
-		if (getType() == RoadType.MOTORWAY) {
-			typeAsString = "highway";
-		}
-		return typeAsString + " : " + getName() 
-				+ " " + (isOneWay() ? " (oneway) " : "") 
-				+ maxSpeed + " km/h (max.)";
-	}
+    public RoadInformation(RoadType roadType, boolean isOneWay, int maxSpeed, String name) {
+        this.type = roadType;
+        this.oneway = isOneWay;
+        this.maxSpeed = maxSpeed;
+        this.name = name;
+    }
+
+    /**
+     * @return Type of the road.
+     */
+    public RoadType getType() {
+        return type;
+    }
+
+    /**
+     * @return true if this is a one-way road.
+     */
+    public boolean isOneWay() {
+        return oneway;
+    }
+
+    /**
+     * @return Maximum speed for this road (in km/h).
+     */
+    public int getMaximumSpeed() {
+        return maxSpeed;
+    }
+
+    /**
+     * @return Name of the road.
+     */
+    public String getName() {
+        return name;
+    }
+
+    @Override
+    public String toString() {
+        String typeAsString = "road";
+        if (getType() == RoadType.COASTLINE) {
+            typeAsString = "coast";
+        }
+        if (getType() == RoadType.MOTORWAY) {
+            typeAsString = "highway";
+        }
+        return typeAsString + " : " + getName() + " " + (isOneWay() ? " (oneway) " : "") + maxSpeed + " km/h (max.)";
+    }
 
 }