Callback callbackProxy = (Callback) client.exportObjectTo(
callback, getServerURI(), user, password);
service.addCallback(callbackProxy);
for (int i = 0; i < count; ++i) {
service.invoke(new Integer(i));
}
Integer[] objects = (Integer[]) callback.getObjects().toArray(
new Integer[0]);
assertEquals(count, objects.length);