001package jmri.jmrix.dcc4pc; 002 003/** 004 * Define interface for sending and receiving messages to the DCC4PC computer 005 * interface device. 006 * 007 * @author Kevin Dickerson Copyright 2012 008 * @author Bob Jacobsen Copyright (C) 2001 009 * 010 */ 011public interface Dcc4PcInterface { 012 013 void addDcc4PcListener(Dcc4PcListener l); 014 015 void removeDcc4PcListener(Dcc4PcListener l); 016 017 /** 018 * Test operational status of interface. 019 * 020 * @return true if interface implementation is operational. 021 */ 022 boolean status(); 023 024 /** 025 * Send a message through the interface. 026 * 027 * @param m Message to be sent. 028 * @param l Listener to be notified of reply. 029 */ 030 void sendDcc4PcMessage(Dcc4PcMessage m, Dcc4PcListener l); 031}