Made DTOs truly immutable.

dddsample/tracking/booking-api/src/main/java/se/citerus/dddsample/tracking/booking/api/CargoRoutingDTO.java

@@ -1,6 +1,7 @@
 package se.citerus.dddsample.tracking.booking.api;
 
 import java.io.Serializable;
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Date;
 import java.util.List;
@@ -17,24 +18,14 @@ public final class CargoRoutingDTO implements Serializable {
   private final boolean misrouted;
   private final List<LegDTO> legs;
 
-  /**
-   * Constructor.
-   *
-   * @param trackingId
-   * @param origin
-   * @param finalDestination
-   * @param arrivalDeadline
-   * @param misrouted
-   * @param legs
-   */
   public CargoRoutingDTO(final String trackingId, final String origin, final String finalDestination,
                          final Date arrivalDeadline, final boolean misrouted, final List<LegDTO> legs) {
     this.trackingId = trackingId;
     this.origin = origin;
     this.finalDestination = finalDestination;
-    this.arrivalDeadline = arrivalDeadline;
+    this.arrivalDeadline = new Date(arrivalDeadline.getTime());
     this.misrouted = misrouted;
-    this.legs = legs;
+    this.legs = new ArrayList<LegDTO>(legs);
   }
 
   public String getTrackingId() {
@@ -49,9 +40,6 @@ public final class CargoRoutingDTO implements Serializable {
     return finalDestination;
   }
 
-  /**
-   * @return An unmodifiable list DTOs.
-   */
   public List<LegDTO> getLegs() {
     return Collections.unmodifiableList(legs);
   }
@@ -61,7 +49,7 @@ public final class CargoRoutingDTO implements Serializable {
   }
 
   public Date getArrivalDeadline() {
-    return arrivalDeadline;
+    return new Date(arrivalDeadline.getTime());
   }
 
 }

dddsample/tracking/booking-api/src/main/java/se/citerus/dddsample/tracking/booking/api/LegDTO.java

@@ -23,12 +23,12 @@ public final class LegDTO implements Serializable {
    * @param loadTime
    * @param unloadTime
    */
-  public LegDTO(final String voyageNumber, final String from, final String to, Date loadTime, Date unloadTime) {
+  public LegDTO(final String voyageNumber, final String from, final String to, final Date loadTime, final Date unloadTime) {
     this.voyageNumber = voyageNumber;
     this.from = from;
     this.to = to;
-    this.loadTime = loadTime;
-    this.unloadTime = unloadTime;
+    this.loadTime = new Date(loadTime.getTime());
+    this.unloadTime = new Date(unloadTime.getTime());
   }
 
   public String getVoyageNumber() {
@@ -44,11 +44,11 @@ public final class LegDTO implements Serializable {
   }
 
   public Date getLoadTime() {
-    return loadTime;
+    return new Date(loadTime.getTime());
   }
 
   public Date getUnloadTime() {
-    return unloadTime;
+    return new Date(unloadTime.getTime());
   }
 
 }

dddsample/tracking/booking-api/src/main/java/se/citerus/dddsample/tracking/booking/api/RouteCandidateDTO.java

@@ -1,6 +1,7 @@
 package se.citerus.dddsample.tracking.booking.api;
 
 import java.io.Serializable;
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
@@ -17,7 +18,7 @@ public final class RouteCandidateDTO implements Serializable {
    * @param legs The legs for this itinerary.
    */
   public RouteCandidateDTO(final List<LegDTO> legs) {
-    this.legs = legs;
+    this.legs = new ArrayList<LegDTO>(legs);
   }
 
   /**