/*
 *  ======================================================================
 *  Customer.java: Create a Customer object with an association to a book.
 *  ======================================================================
 */

public class Customer {
    private String name;         // Data attributes
    public Book book;            // Association attributes

    // Constructors ....

    public Customer () {
       this.book = null;
    }

    // String representation ...

    public String toString() {
       String s = "";

       if (this.book != null )
           s += "Customer: " + getName() + " owns " + book.getName() + "\n";
       else
           s += "Customer: " + getName() + " doesn't own a book \n";

       return s;
    }

    // Attribute accessors

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    // Association accessors

    public Book getBook() {
        return book;
    }

    public void setBook( Book book ) {
        if (book != null) 
            this.book = book;
    }
}