# com.bea.control
RosettaNetControl.Callback Interface

public static interface RosettaNetControl.Callback

The following methods are available after a JCX instance is created.

- onAck()
: Invoked when a RosettaNet acknowledgement is received.
- onError()
: Invoked when a RosettaNet error notification is received.
- onMessage()
: Invoked when a RosettaNet business message is received.

Enclosing interface
  `RosettaNetControl`