001package jmri.jmrix.powerline; 002 003/** 004 * Abstract base for classes representing a communications port. 005 * 006 * @author Bob Jacobsen Copyright (C) 2001, 2006, 2007, 2008 Converted to 007 * multiple connection 008 * @author kcameron Copyright (C) 2011 009 */ 010public abstract class SerialPortController extends jmri.jmrix.AbstractSerialPortController { 011 012 // Base class. Implementations will provide InputStream and OutputStream 013 // objects to SerialTrafficController classes, who in turn will deal in messages. 014 protected SerialPortController(SerialSystemConnectionMemo connectionMemo) { 015 super(connectionMemo); 016 } 017 018 @Override 019 public SerialSystemConnectionMemo getSystemConnectionMemo() { 020 return (SerialSystemConnectionMemo) super.getSystemConnectionMemo(); 021 } 022 023}