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using instance-wide cache for categories, so updates from other sessions are immediatly available and sessions get smaller

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This commit is contained in:
Ralf Becker 2012-02-10 20:17:28 +00:00
parent 44ff7cdafa
commit 01ee489460
2 changed files with 42 additions and 46 deletions
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82
phpgwapi/inc/class.categories.inc.php
View File

@ -83,6 +83,8 @@ class categories
* @var array cat_id => array of data
*/
private static $cache;
const CACHE_APP = 'phpgwapi';
const CACHE_NAME = 'cat_cache';
/**
* Appname for global categories
@ -393,6 +395,8 @@ class categories
*/
static function read($id)
{
if (is_null(self::$cache)) self::init_cache();
if (!isset(self::$cache[$id])) return false;
$cat = self::$cache[$id];
@ -903,52 +907,50 @@ class categories
* Initialise or restore the categories cache
*
* We use the default ordering of return_array to avoid doing it again there
*
* @param array &$cache=null cache content to restore it (from the egw-object)
*/
public static function &init_cache(&$cache=null)
public static function init_cache()
{
if (!is_null($cache))
self::$cache = egw_cache::getInstance(self::CACHE_APP, self::CACHE_NAME);
if (is_null(self::$cache))
{
//error_log(__METHOD__."() ".count($cache)." cats restored: ".function_backtrace());
return self::$cache =& $cache;
}
// check if we are already updated to global owner == 0, if not do it now
if (!$GLOBALS['egw']->db->select(self::TABLE,'COUNT(*)',array('cat_owner'=>'0'),__LINE__,__FILE__)->fetchColumn())
{
$GLOBALS['egw']->db->update(self::TABLE,array('cat_owner'=>'0'),"(cat_owner='-1' OR cat_appname='phpgw')",__LINE__,__FILE__);
$GLOBALS['egw']->db->insert(self::TABLE,array(
'cat_main' => 0,
'cat_parent' => 0,
'cat_level' => 0,
'cat_owner' => 0,
'cat_appname' => '*update*',
'cat_name' => 'global=0',
'cat_description' => 'global=0',
),false,__LINE__,__FILE__);
}
self::$cache = array();
// read all cats (cant use $this->db!)
foreach($GLOBALS['egw']->db->select(self::TABLE,'*',false,__LINE__,__FILE__,
false,'ORDER BY cat_main, cat_level, cat_name ASC') as $cat)
{
$cat = egw_db::strip_array_keys($cat,'cat_');
if ($cat['appname'] == '*update*') continue; // --> ignore update marker
$cat['app_name'] = $cat['appname'];
// backlink children to their parent
if ($cat['parent'])
// check if we are already updated to global owner == 0, if not do it now
if (!$GLOBALS['egw']->db->select(self::TABLE,'COUNT(*)',array('cat_owner'=>'0'),__LINE__,__FILE__)->fetchColumn())
{
self::$cache[$cat['parent']]['children'][] = $cat['id'];
$GLOBALS['egw']->db->update(self::TABLE,array('cat_owner'=>'0'),"(cat_owner='-1' OR cat_appname='phpgw')",__LINE__,__FILE__);
$GLOBALS['egw']->db->insert(self::TABLE,array(
'cat_main' => 0,
'cat_parent' => 0,
'cat_level' => 0,
'cat_owner' => 0,
'cat_appname' => '*update*',
'cat_name' => 'global=0',
'cat_description' => 'global=0',
),false,__LINE__,__FILE__);
}
if (isset(self::$cache[$cat['id']]))
self::$cache = array();
// read all cats (cant use $this->db!)
foreach($GLOBALS['egw']->db->select(self::TABLE,'*',false,__LINE__,__FILE__,
false,'ORDER BY cat_main, cat_level, cat_name ASC') as $cat)
{
$cat['children'] = self::$cache[$cat['id']]['children'];
unset(self::$cache[$cat['id']]); // otherwise the order gets messed up!
$cat = egw_db::strip_array_keys($cat,'cat_');
if ($cat['appname'] == '*update*') continue; // --> ignore update marker
$cat['app_name'] = $cat['appname'];
// backlink children to their parent
if ($cat['parent'])
{
self::$cache[$cat['parent']]['children'][] = $cat['id'];
}
if (isset(self::$cache[$cat['id']]))
{
$cat['children'] = self::$cache[$cat['id']]['children'];
unset(self::$cache[$cat['id']]); // otherwise the order gets messed up!
}
self::$cache[$cat['id']] = $cat;
}
self::$cache[$cat['id']] = $cat;
egw_cache::setInstance(self::CACHE_APP, self::CACHE_NAME, self::$cache);
}
//error_log(__METHOD__."() cache initialised: ".function_backtrace());
return self::$cache;
}
/**
@ -961,9 +963,7 @@ class categories
*/
public static function invalidate_cache($cat_id=null)
{
self::init_cache();
// we need to invalidate the whole session cache, as it stores our cache
egw::invalidate_session_cache();
egw_cache::unsetInstance(self::CACHE_APP, self::CACHE_NAME);
}
/**
@ -981,6 +981,8 @@ class categories
*/
static function return_single($id)
{
if (is_null(self::$cache)) self::init_cache();
return isset(self::$cache[$id]) ? array(self::$cache[$id]) : false;
}

6
phpgwapi/inc/class.egw.inc.php
View File

@ -56,8 +56,6 @@ class egw extends egw_minimal
*/
var $hooks;
private $cat_cache;
/**
* Constructor: Instantiates the sub-classes
*
@ -182,8 +180,6 @@ class egw extends egw_minimal
$this->check_app_rights();
$this->load_optional_classes();
$this->cat_cache =& categories::init_cache();
}
else // set the defines for login, in case it's more then just login
{
@ -215,8 +211,6 @@ class egw extends egw_minimal
register_shutdown_function(array($this, 'shutdown'));
$this->define_egw_constants();
categories::init_cache($this->cat_cache);
}
/**