<?php

  //this is the memento

  include_once('BookReader.php');
  
  class BookMark {
    
    private $title;
    
    private $page;
    
    function __construct(BookReader $bookReader) {
      $this->setPage($bookReader);
      $this->setTitle($bookReader);      
    }
  
    public function getPage(BookReader $bookReader) {
      $bookReader->setPage($this->page);
    }  
    
    public function setPage(BookReader $bookReader) {
      $this->page = $bookReader->getPage();
    }
    
    public function getTitle(BookReader $bookReader) {
      $bookReader->setTitle($this->title);
    }  
    
    public function setTitle(BookReader $bookReader) {
      $this->title = $bookReader->getTitle();
    }    
  
  }

?>