* @param message reply message
* @throws groovyx.gpars.actor.impl.ActorReplyException If some of the replies failed to be sent.
*/
public final void reply(final Object message) {
if (currentSender == null) {
throw new ActorReplyException(CANNOT_SEND_REPLIES_NO_SENDER_HAS_BEEN_REGISTERED);
} else {
currentSender.send(message);
}
}