com.atomikos.finitestates
Interface FSMPreEnterListener<Status>

All Superinterfaces:

EventListener

public interface FSMPreEnterListener<Status>
extends EventListener

A listener that wants to be notified BEFORE the new state is entered.

Method Summary

void	preEnter(FSMEnterEvent<Status> e) Called BEFORE the FSM enters the new state, so that the callee is sure that nobody has seen the new state yet.

Method Detail

preEnter

void preEnter(FSMEnterEvent<Status> e)
              throws IllegalStateException

Called BEFORE the FSM enters the new state, so that the callee is sure that nobody has seen the new state yet.

Throws:

IllegalStateException - on failure. The callee can use this to prevent the state change from happening.