<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Service_Amazon

 * @subpackage SimpleDb

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

/**

 * @see Zend_Service_Amazon_Exception

 */

require_once 'Zend/Service/Amazon/Exception.php';

/**

 * The Custom Exception class that allows you to have access to the AWS Error Code.

 *

 * @category   Zend

 * @package    Zend_Service_Amazon

 * @subpackage SimpleDb

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Service_Amazon_SimpleDb_Page

{

    /** @var string Page data */

    protected $_data;

    /** @var string|null Token identifying page */

    protected $_token;

    /**

     * Constructor

     * 

     * @param  string $data 

     * @param  string|null $token 

     * @return void

     */

    public function __construct($data, $token = null) 

    {

        $this->_data  = $data;

        $this->_token = $token;

    }

    /**

     * Retrieve page data

     * 

     * @return string

     */

    public function getData() 

    {

        return $this->_data;

    }

    /**

     * Retrieve token

     * 

     * @return string|null

     */

    public function getToken() 

    {

        return $this->_token;

    }

    /**

     * Determine whether this is the last page of data

     * 

     * @return void

     */

    public function isLast() 

    {

        return (null === $this->_token);

    }

    /**

     * Cast to string

     * 

     * @return string

     */

    public function __toString() 

    {

        return "Page with token: " . $this->_token 

             . "\n and data: " . $this->_data;

    }

}