/**
  * Retrieve all of the modules in the database
  *
  * @return A list of module objects
  */
 public List retrieveModules() {
   return icaller.dispatchList(Module.class, "retrieveModules", null);
 }
 public void initializeService(DataServices services) {
   super.initializeService(services);
   icaller = (InstantiatingCaller) services.getService(InstantiatingCaller.class);
   instantiator = icaller.getInstantiator();
 }