<?php
/**
- * This class stores an arbitrary value along with its dependencies.
+ * This class stores an arbitrary value along with its dependencies.
* Users should typically only use DependencyWrapper::getFromCache(), rather
* than instantiating one of these objects directly.
- * @addtogroup Cache
+ * @ingroup Cache
*/
class DependencyWrapper {
var $value;
$this->deps = $deps;
}
- /**
+ /**
* Returns true if any of the dependencies have expired
*/
function isExpired() {
}
/**
- * Attempt to get a value from the cache. If the value is expired or missing,
+ * Attempt to get a value from the cache. If the value is expired or missing,
* it will be generated with the callback function (if present), and the newly
- * calculated value will be stored to the cache in a wrapper.
+ * calculated value will be stored to the cache in a wrapper.
*
* @param object $cache A cache object such as $wgMemc
* @param string $key The cache key
* @param integer $expiry The expiry timestamp or interval in seconds
* @param mixed $callback The callback for generating the value, or false
* @param array $callbackParams The function parameters for the callback
- * @param array $deps The dependencies to store on a cache miss. Note: these
+ * @param array $deps The dependencies to store on a cache miss. Note: these
* are not the dependencies used on a cache hit! Cache hits use the stored
* dependency array.
*
* @return mixed The value, or null if it was not present in the cache and no
* callback was defined.
*/
- static function getValueFromCache( $cache, $key, $expiry = 0, $callback = false,
- $callbackParams = array(), $deps = array() )
+ static function getValueFromCache( $cache, $key, $expiry = 0, $callback = false,
+ $callbackParams = array(), $deps = array() )
{
$obj = $cache->get( $key );
if ( is_object( $obj ) && $obj instanceof DependencyWrapper && !$obj->isExpired() ) {
}
/**
- * @addtogroup Cache
+ * @ingroup Cache
*/
abstract class CacheDependency {
/**
}
/**
- * @addtogroup Cache
+ * @ingroup Cache
*/
class FileDependency extends CacheDependency {
var $filename, $timestamp;
*
* @param string $filename The name of the file, preferably fully qualified
* @param mixed $timestamp The unix last modified timestamp, or false if the
- * file does not exist. If omitted, the timestamp will be loaded from
+ * file does not exist. If omitted, the timestamp will be loaded from
* the file.
*
- * A dependency on a nonexistent file will be triggered when the file is
- * created. A dependency on an existing file will be triggered when the
+ * A dependency on a nonexistent file will be triggered when the file is
+ * created. A dependency on an existing file will be triggered when the
* file is changed.
*/
function __construct( $filename, $timestamp = null ) {
}
/**
- * @addtogroup Cache
+ * @ingroup Cache
*/
class TitleDependency extends CacheDependency {
var $titleObj;
function loadDependencyValues() {
$this->touched = $this->getTitle()->getTouched();
}
-
+
/**
* Get rid of bulky Title object for sleep
*/
function getTitle() {
if ( !isset( $this->titleObj ) ) {
$this->titleObj = Title::makeTitle( $this->ns, $this->dbk );
- }
+ }
return $this->titleObj;
}
}
/**
- * @addtogroup Cache
+ * @ingroup Cache
*/
class TitleListDependency extends CacheDependency {
var $linkBatch;
var $timestamps;
-
+
/**
* Construct a dependency on a list of titles
*/
if ( count( $timestamps ) ) {
$dbr = wfGetDB( DB_SLAVE );
$where = $this->getLinkBatch()->constructSet( 'page', $dbr );
- $res = $dbr->select( 'page',
+ $res = $dbr->select( 'page',
array( 'page_namespace', 'page_title', 'page_touched' ),
$where, __METHOD__ );
while ( $row = $dbr->fetchObject( $res ) ) {
}
/**
- * @addtogroup Cache
+ * @ingroup Cache
*/
class GlobalDependency extends CacheDependency {
var $name, $value;
-
+
function __construct( $name ) {
$this->name = $name;
$this->value = $GLOBALS[$name];
}
/**
- * @addtogroup Cache
+ * @ingroup Cache
*/
class ConstantDependency extends CacheDependency {
var $name, $value;
return constant( $this->name ) != $this->value;
}
}
-
-
scripts.mit.edu / autoinstalls / mediawiki.git / blobdiff