package com.oreilly.jent.ejb.containerManaged;

/**
 * In general, you may use the code in this book in your programs and 
 * documentation. You do not need to contact us for permission unless 
 * you're reproducing a significant portion of the code. For example, 
 * writing a program that uses several chunks of code from this book does 
 * not require permission. Selling or distributing a CD-ROM of examples 
 * from O'Reilly books does require permission. Answering a question by 
 * citing this book and quoting example code does not require permission. 
 * Incorporating a significant amount of example code from this book into 
 * your product's documentation does require permission.
 * 
 * We appreciate, but do not require, attribution. An attribution usually 
 * includes the title, author, publisher, and ISBN. For example: 
 * 
 *   "Java Enterprise in a Nutshell, Third Edition, 
 *    by Jim Farley and William Crawford 
 *    with Prakash Malani, John G. Norman, and Justin Gehtland. 
 *    Copyright 2006 O'Reilly Media, Inc., 0-596-10142-2."
 *  
 *  If you feel your use of code examples falls outside fair use or the 
 *  permission given above, feel free to contact us at 
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 */

public class PersonPK implements java.io.Serializable {
  public String firstName;
  public String lastName;

  public PersonPK() {
    firstName = null;
    lastName = null;
  }
  public PersonPK(String fname, String lname) {
    firstName = fname;
    lastName = lname;
  }

  public boolean equals(Object other) {
    if (other == this) return true;

    if (!(other instanceof PersonPK))
      return false;

    PersonPK otherPPK = (PersonPK)other;

    return ((hashCode() == otherPPK.hashCode()) &&
	    (firstName.equals(otherPPK.firstName)) &&
	    (lastName.equals(otherPPK.lastName)));
  }
  
  public int hashCode() {
    return firstName.hashCode() ^ lastName.hashCode();
  }
}