/*- * See the file LICENSE for redistribution information. * * Copyright (c) 2002-2006 *	Oracle Corporation.  All rights reserved. * * $Id: ShipmentKey.java,v 12.4 2006/08/24 14:45:53 bostic Exp $ */package collections.ship.basic;import java.io.Serializable;/** * A ShipmentKey serves as the key in the key/data pair for a shipment entity. * * <p> In this sample, ShipmentKey is used both as the storage entry for the * key as well as the object binding to the key.  Because it is used directly * as storage data using serial format, it must be Serializable. </p> * * @author Mark Hayes */public class ShipmentKey implements Serializable {    private String partNumber;    private String supplierNumber;    public ShipmentKey(String partNumber, String supplierNumber) {        this.partNumber = partNumber;        this.supplierNumber = supplierNumber;    }    public final String getPartNumber() {        return partNumber;    }    public final String getSupplierNumber() {        return supplierNumber;    }    public String toString() {        return "[ShipmentKey: supplier=" + supplierNumber +	    " part=" + partNumber + ']';    }}