<?php

/**

 * 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_Cloud

 * @subpackage DocumentService

 * @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 encapsulating a set of documents

 *

 * @category   Zend

 * @package    Zend_Cloud

 * @subpackage DocumentService

 * @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_Cloud_DocumentService_DocumentSet implements Countable, IteratorAggregate

{

    /** @var int */

    protected $_documentCount;

    /** @var ArrayIterator */

    protected $_documents;

    /**

     * Constructor

     *

     * @param  array $documents

     * @return void

     */

    public function __construct(array $documents)

    {

        $this->_documentCount = count($documents);

        $this->_documents     = new ArrayIterator($documents);

    }

    /**

     * Countable: number of documents in set

     * 

     * @return int

     */

    public function count()

    {

        return $this->_documentCount;

    }

    /**

     * IteratorAggregate: retrieve iterator

     * 

     * @return Traversable

     */

    public function getIterator()

    {

        return $this->_documents;

    }

}