Update Javadoc comments.

co-simulation/fed/mosaic-carla/src/main/java/org/eclipse/mosaic/fed/carla/ambassador/CarlaAmbassador.java

@@ -519,7 +519,10 @@ else if (interaction.getTypeId().equals(DetectorRegistration.TYPE_ID)) {
         }
     }
 
-
+    /**
+     * Method to call XMLRPC method to create sensor on reception of DetectionRegistration interactions. 
+     * @param interaction Interaction triggered by Ambassadors attempting to create sensors in CARLA.
+     */
     private void receiveInteraction(DetectorRegistration interaction) {
         try {
             carlaXmlRpcClient.createSensor(interaction);

co-simulation/fed/mosaic-carla/src/main/java/org/eclipse/mosaic/fed/carla/carlaconnect/CarlaXmlRpcClient.java

@@ -30,7 +30,8 @@
 import com.google.gson.Gson;
 
 /**
- * This is a class uses xmlrpc to connect with CARLA CDASim adapter service
+ * This is a class uses xmlrpc to connect with CARLA CDASim Adapter. It includes calls 
+ * to dynamically create senors and get detected objects from created sensors.
  */
 public class CarlaXmlRpcClient{
 
@@ -61,7 +62,11 @@ public void initialize()
         isConnected = true;
     }
 
-
+    /**
+     * Calls CARLA CDA Sim Adapter create_sensor XMLRPC method and logs sensor ID of created sensor.
+     * @param registration DetectorRegistration interaction used to create sensor.
+     * @throws XmlRpcException if XMLRPC call fails or connection is lost.
+     */
     public void createSensor(DetectorRegistration registration) throws XmlRpcException{
         List<Double> location = Arrays.asList(registration.getDetector().getLocation().getX(), registration.getDetector().getLocation().getY(), registration.getDetector().getLocation().getZ());
         List<Double> orientation = Arrays.asList(registration.getDetector().getOrientation().getPitch(), registration.getDetector().getOrientation().getRoll(), registration.getDetector().getOrientation().getYaw());
@@ -75,7 +80,13 @@ public void createSensor(DetectorRegistration registration) throws XmlRpcExcepti
             log.warn("XMLRpcClient is not connected to CARLA Adapter!");
         }
     }
-
+    /**
+     * Calls CARLA CDA Sim Adapter get_detected_objects XMLRPC method and returns an array of DetectedObject.
+     * @param infrastructureId String infrastructure ID of sensor to get detections from.
+     * @param sensorId String sensor ID of sensor to get detections from
+     * @return DetectedObject[] from given sensor.
+     * @throws XmlRpcException if XMLRPC call fails or connection is lost.
+     */
     public DetectedObject[] getDetectedObjects(String infrastructureId ,String sensorId) throws XmlRpcException{
         if (isConnected) {
             Object[] params = new Object[]{infrastructureId, sensorId};
@@ -92,7 +103,10 @@ public DetectedObject[] getDetectedObjects(String infrastructureId ,String senso
 
         }
     }
-
+    /**
+     * Method to set isConnected field to false. Does not actually close the underlying http connection session but
+     * is used to avoid repeated timeouts/exceptions on misconfiguration of XMLRPC client.
+     */
     public void closeConnection() {
         log.warn("Closing XML RPC Client connection in CARLA Ambassador!");
         isConnected = false;

co-simulation/fed/mosaic-carla/src/test/java/org/eclipse/mosaic/fed/carla/carlaconnect/CarlaXmlRpcClientTest.java

@@ -69,7 +69,10 @@ public void testCreateSensor() throws XmlRpcException {
         verify( mockClient, times(1)).execute("create_simulated_semantic_lidar_sensor", params);
     }
 
-
+    /**
+     * Test GetDectedObjects
+     * @throws XmlRpcException
+     */
     @Test
     public void testGetDetectedObjects() throws XmlRpcException {
         // Create return JSON String
@@ -187,7 +190,10 @@ public void testGetDetectedObjects() throws XmlRpcException {
 
     }
 
-
+    /**
+     * Test close connection
+     * @throws XmlRpcException
+     */
     @Test
     public void testCloseConnection() throws XmlRpcException {
         // Create request params