001package jmri.jmrix.acela;
002
003import jmri.implementation.AbstractSensor;
004
005/**
006 * Extend jmri.AbstractSensor for Acela systems
007 *
008 * @author Bob Jacobsen Copyright (C) 2003
009 * @author Bob Coleman Copyright (C) 2007, 2008 Based heavily on CMRI serial
010 * example.
011 */
012public class AcelaSensor extends AbstractSensor {
013
014    public AcelaSensor(String systemName) {
015        super(systemName);
016        _knownState = UNKNOWN;
017    }
018
019    public AcelaSensor(String systemName, String userName) {
020        super(systemName, userName);
021        _knownState = UNKNOWN;
022    }
023
024    /**
025     * Request an update on status.
026     * <p>
027     * Since status is continually being updated, this isn't active now.
028     */
029    @Override
030    public void requestUpdateFromLayout() {
031    }
032
033}