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<?php
if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
/*********************************************************************************
* SugarCRM Community Edition is a customer relationship management program developed by
* SugarCRM, Inc. Copyright (C) 2004-2011 SugarCRM Inc.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU Affero General Public License version 3 as published by the
* Free Software Foundation with the addition of the following permission added
* to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
* IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
* OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
* details.
*
* You should have received a copy of the GNU Affero General Public License along with
* this program; if not, see http://www.gnu.org/licenses or write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*
* You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
* SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License version 3.
*
* In accordance with Section 7(b) of the GNU Affero General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* SugarCRM" logo. If the display of the logo is not reasonably feasible for
* technical reasons, the Appropriate Legal Notices must display the words
* "Powered by SugarCRM".
********************************************************************************/
require_once('data/SugarBean.php');
/**
* Factory to create SugarBeans
* @api
*/
class BeanFactory {
protected static $loadedBeans = array();
protected static $maxLoaded = 10;
protected static $total = 0;
protected static $loadOrder = array();
protected static $touched = array();
public static $hits = 0;
/**
* Returns a SugarBean object by id. The Last 10 loaded beans are cached in memory to prevent multiple retrieves per request.
* If no id is passed, a new bean is created.
* @static
* @param String $module
* @param String $id
* @return SugarBean
*/
public static function getBean($module, $id = null)
{
if (!isset(self::$loadedBeans[$module])) {
self::$loadedBeans[$module] = array();
self::$touched[$module] = array();
}
$beanClass = self::getBeanName($module);
if (empty($beanClass) || !class_exists($beanClass)) return false;
if (!empty($id))
{
if (empty(self::$loadedBeans[$module][$id]))
{
$bean = new $beanClass();
$result = $bean->retrieve($id);
if($result == null)
return FALSE;
else
self::registerBean($module, $bean, $id);
} else
{
self::$hits++;
self::$touched[$module][$id]++;
$bean = self::$loadedBeans[$module][$id];
}
} else {
$bean = new $beanClass();
}
return $bean;
}
public static function newBean($module)
{
return self::getBean($module);
}
public static function getBeanName($module)
{
global $beanList;
if (empty($beanList[$module])) return false;
return $beanList[$module];
}
/**
* Returns the object name / dictionary key for a given module. This should normally
* be the same as the bean name, but may not for special case modules (ex. Case vs aCase)
* @static
* @param String $module
* @return bool
*/
public static function getObjectName($module)
{
global $objectList;
if (empty($objectList[$module]))
return self::getBeanName($module);
return $objectList[$module];
}
/**
* @static
* This function registers a bean with the bean factory so that it can be access from accross the code without doing
* multiple retrieves. Beans should be registered as soon as they have an id.
* @param String $module
* @param SugarBean $bean
* @param bool|String $id
* @return bool true if the bean registered successfully.
*/
public static function registerBean($module, $bean, $id=false)
{
global $beanList;
if (empty($beanList[$module])) return false;
if (!isset(self::$loadedBeans[$module]))
self::$loadedBeans[$module] = array();
//Do not double register a bean
if (!empty($id) && isset(self::$loadedBeans[$module][$id]))
return true;
$index = "i" . (self::$total % self::$maxLoaded);
//We should only hold a limited number of beans in memory at a time.
//Once we have the max, unload the oldest bean.
if (count(self::$loadOrder) >= self::$maxLoaded - 1)
{
for($i = 0; $i < self::$maxLoaded; $i++)
{
if (isset(self::$loadOrder[$index]))
{
$info = self::$loadOrder[$index];
//If a bean isn't in the database yet, we need to hold onto it.
if (!empty(self::$loadedBeans[$info['module']][$info['id']]->in_save))
{
self::$total++;
}
//Beans that have been used recently should be held in memory if possible
else if (!empty(self::$touched[$info['module']][$info['id']]) && self::$touched[$info['module']][$info['id']] > 0)
{
self::$touched[$info['module']][$info['id']]--;
self::$total++;
}
else
break;
} else {
break;
}
$index = "i" . (self::$total % self::$maxLoaded);
}
if (isset(self::$loadOrder[$index]))
{
unset(self::$loadedBeans[$info['module']][$info['id']]);
unset(self::$touched[$info['module']][$info['id']]);
unset(self::$loadOrder[$index]);
}
}
if(!empty($bean->id))
$id = $bean->id;
if ($id)
{
self::$loadedBeans[$module][$id] = $bean;
self::$total++;
self::$loadOrder[$index] = array("module" => $module, "id" => $id);
self::$touched[$module][$id] = 0;
} else{
return false;
}
return true;
}
}
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