001package jmri.jmrit.throttle; 002 003/** 004 * A Listener for a function state change. 005 */ 006public interface FunctionListener extends java.util.EventListener { 007 008 /** 009 * Receive notification that a function has changed state. 010 * 011 * @param functionNumber The id of the function 012 * @param isOn True if the function is activated, false otherwise. 013 */ 014 void notifyFunctionStateChanged(int functionNumber, boolean isOn); 015 016 /** 017 * Get notification that a function's lockable status has changed. 018 * 019 * @param functionNumber The function that has changed (0-9). 020 * @param isLockable True if the function is now Lockable (continuously 021 * active). 022 */ 023 void notifyFunctionLockableChanged(int functionNumber, boolean isLockable); 024}