* This method update the appointment to DataBase
*/
public String updateActivity(ActivityForm form, int userId) throws CommunicationException,
NamingException
{
ActivityVOX activityVOX = new ActivityVOX(form);
ActivityVO activityVO = activityVOX.getVO();
ActivityFacadeHome activityFacade = (ActivityFacadeHome)CVUtility.getHomeObject(
"com.centraview.activity.activityfacade.ActivityFacadeHome", "ActivityFacade");
try {
ActivityFacade remote = activityFacade.create();
remote.setDataSource(this.dataSource);