public interface ExistsSequenceListener| OnExists |
This method is called when an asynchronous batch exists result is received from the server.
The receive sequence is not ordered.
This method is not thread-safe. Multiple async completion port threads may be calling this listener method simultaneously. All shared data in the callback must be handled in a thread-safe manner. |
| OnFailure | This method is called when an asynchronous batch exists command fails. |
| OnSuccess | This method is called when the asynchronous batch exists command completes. |