question: @ Override public StateConnection service ( ) { try { StateConnection nextState = _state . service ( this ) ; return nextState ; } catch ( Throwable e ) { log . warning ( e . toString ( ) ) ; log . log ( Level . FINER , e . toString ( ) , e ) ; toClose ( ) ; return StateConnection . CLOSE_READ_A ; } }
target:  Service is the main call when data is available from the socket.