/* * MuxItem.java * * Copyright (c) 1996 Chuck McManis, All Rights Reserved. * * Permission to use, copy, modify, and distribute this software * and its documentation for NON-COMMERCIAL purposes and without * fee is hereby granted provided that this copyright notice * appears in all copies. * * CHUCK MCMANIS MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE * SUITABILITY OF THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. CHUCK MCMANIS * SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT * OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. */ package util.comm; /** * This is the type of object returned from a multiplexor. In addition * to the object from the channel your are monitoring it returns the * name of the channel where it came from, and the index where this name * appeared in the original array you passed to DataChannelMux. This * facilitates writing code like: *
* ... * MuxItem m = (MuxItem) muxChan.getValue(); * switch (m.index()) { * case 0: ... * case 1: ... * } * ... ** * @author Chuck McManis * @version 1.1 */ public class MuxItem { private String fromChannel; private int userIndex; private Object channelValue; /** * Package private constructor only allows things in this package * to create mux items. */ MuxItem(String c, int i, Object v) { super(); fromChannel = c; userIndex = i; channelValue = v; } /** accessor method for the object from the source channel. */ public Object value() { return channelValue; } /** accessor method for the index from the user array. */ public int index() { return userIndex; } /** accessor method for the name of the source channel. */ public String wasChannel() { return fromChannel; } }