question: public void jumpToState ( @ Nonnull State newState ) { mStateLock . lock ( ) ; try { if ( newState . equals ( mState ) ) { Log . d ( TAG , "No op since jump to the same state." ) ; } else { Log . d ( TAG , "Change state : " + mState + " => " + newState ) ; mState . onLeave ( ) ; mState = newState ; Optional < State > nextState = mState . onEnter ( ) ; while ( nextState . isPresent ( ) ) { Log . d ( TAG , "Forward state : " + mState + " => " + nextState . get ( ) ) ; mState . onLeave ( ) ; mState = nextState . get ( ) ; nextState = mState . onEnter ( ) ; } mStateChangedCondition . signalAll ( ) ; } } finally { mStateLock . unlock ( ) ; } }
target:  Jumps directly to a specific state.