/* * Java SMPP API * Copyright (C) 1998 - 2001 by Oran Kelly *  * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. *  * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU * Lesser General Public License for more details. *  * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA *  * A copy of the LGPL can be viewed at http://www.gnu.org/copyleft/lesser.html * Java SMPP API author: orank@users.sf.net * Java SMPP API Homepage: http://smppapi.sourceforge.net/ */package ie.omk.smpp.message;import java.io.InputStream;/** Abstract parent class of all SMPP request packets.  * @author Oran Kelly  * @version 1.0  */public abstract class SMPPRequest    extends SMPPPacket{    /** false if this packet has been ack'd, true if it has */    protected boolean			isAckd = false;    /** Construct a new SMPPRequest with specified id.      */    protected SMPPRequest(int id)    {	super(id);    }    /** Construct a new SMPPRequest with specified sequence number.      * @param seqNum The sequence number to use      */    protected SMPPRequest(int id, int seqNum)    {	super(id, seqNum);    }    /** Read in a SMPPRequest from an InputStream.  A full packet,      * including the header fields must exist in the stream.      * @param in The InputStream to read from      * @exception java.io.IOException if there's an error reading from the      * input stream.      */    protected SMPPRequest(InputStream in)	throws java.io.IOException, ie.omk.smpp.SMPPException    {	super(in);    }    /** Check has this request been acknowledged or not.      */    public final boolean isAckd()    {	return (isAckd);    }    /** Set this request packet to acknowledged.      */    public final void ack()    {	isAckd = true;    }}