1/*- 2 * See the file LICENSE for redistribution information. 3 * 4 * Copyright (c) 2002,2008 Oracle. All rights reserved. 5 * 6 * $Id: PartKey.java,v 12.7 2008/01/08 20:58:30 bostic Exp $ 7 */ 8 9package collections.ship.index; 10 11import java.io.Serializable; 12 13/** 14 * A PartKey serves as the key in the key/data pair for a part entity. 15 * 16 * <p> In this sample, PartKey is used both as the storage data for the key as 17 * well as the object binding to the key. Because it is used directly as 18 * storage data using serial format, it must be Serializable. </p> 19 * 20 * @author Mark Hayes 21 */ 22public class PartKey implements Serializable { 23 24 private String number; 25 26 public PartKey(String number) { 27 28 this.number = number; 29 } 30 31 public final String getNumber() { 32 33 return number; 34 } 35 36 public String toString() { 37 38 return "[PartKey: number=" + number + ']'; 39 } 40} 41