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<?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_Pdf
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: UpdateInfoContainer.php 23775 2011-03-01 17:25:24Z ralph $
*/


/**
* Container which collects updated object info.
*
* @package Zend_Pdf
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Pdf_UpdateInfoContainer
{
    /**
* Object number
*
* @var integer
*/
    private $_objNum;

    /**
* Generation number
*
* @var integer
*/
    private $_genNum;


    /**
* Flag, which signals, that object is free
*
* @var boolean
*/
    private $_isFree;

    /**
* String representation of the object
*
* @var Zend_Memory_Container|null
*/
    private $_dump = null;

    /**
* Object constructor
*
* @param integer $objCount
*/
    public function __construct($objNum, $genNum, $isFree, $dump = null)
    {
        $this->_objNum = $objNum;
        $this->_genNum = $genNum;
        $this->_isFree = $isFree;

        if ($dump !== null) {
            if (strlen($dump) > 1024) {
                // require_once 'Zend/Pdf.php';
                $this->_dump = Zend_Pdf::getMemoryManager()->create($dump);
            } else {
                $this->_dump = $dump;
            }
        }
    }


    /**
* Get object number
*
* @return integer
*/
    public function getObjNum()
    {
        return $this->_objNum;
    }

    /**
* Get generation number
*
* @return integer
*/
    public function getGenNum()
    {
        return $this->_genNum;
    }

    /**
* Check, that object is free
*
* @return boolean
*/
    public function isFree()
    {
        return $this->_isFree;
    }

    /**
* Get string representation of the object
*
* @return string
*/
    public function getObjectDump()
    {
        if ($this->_dump === null) {
            return '';
        }

        if (is_string($this->_dump)) {
            return $this->_dump;
        }

        return $this->_dump->getRef();
    }
}
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