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<?php
/**
* PHP Parser and UML/XMI generator. Reverse-engineering tool.
*
* A package to scan PHP files and directories, and get an UML/XMI representation
* of the parsed classes/packages.
*
* PHP version 5
*
* @category PHP
* @package PHP_UML
* @author Baptiste Autin <ohlesbeauxjours@yahoo.fr>
* @license http://www.gnu.org/licenses/lgpl.html LGPL License 3
* @version SVN: $Revision: 97 $
* @link http://pear.php.net/package/PHP_UML
* @link http://www.baptisteautin.com/projects/PHP_UML/
* @since $Date: 2009-01-04 21:57:08 +0100 (dim., 04 janv. 2009) $
*/
/**
* A class for generating unique IDs, in two possible ways.
*
* Almost every XMI element contains a UID. This class can generate both globally
* unique IDs, and deterministic unique IDs (ie. the IDs are the same every time the
* parser is run again). We need such deterministic IDs because of the PHP_UML test
* suite, which would report errors otherwise (because of different IDs !)
* You select which one by setting the boolean property $determinisic to true/false
*
* @category PHP
* @package PHP_UML
* @author Baptiste Autin <ohlesbeauxjours@yahoo.fr>
* @license http://www.gnu.org/licenses/lgpl.html LGPL License 3
* @link http://pear.php.net/package/PHP_UML
*/
class PHP_UML_SimpleUID
{
const PREFIX = 'PHP_UML_';
private static $counter = 0;
/**
* If true, the IDs contained in the XMI code will be very deterministic.
* This is useful for running the PHP_UML test suite. Most of the time, you will
* want to have more unique IDs, so leave that property to false (the generation
* will then rely on uniqid()).
*
* @var boolean
*/
public static $deterministic = false;
/**
* Accessor for getting the UID
*
* @return string
*/
static function getUID()
{
if (self::$deterministic)
return self::PREFIX.self::$counter++;
else
return uniqid();
}
/**
* Reset the deterministic generator
*
*/
static function reset()
{
self::$counter = 0;
}
}
?>
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