0072e0efeb
Changes in the 1.20.x branch altered the add method to check for the return value of get against false. Xcache 3.x returns NULL for unset values and so this check was erroneously determining that all values are set when they were not. This was causing basic ObjectCache usage to fail. Change-Id: I0975e5c6a60c2813dc2d02aca84245807b8fb828
117 lines
3.1 KiB
PHP
117 lines
3.1 KiB
PHP
<?php
|
|
/**
|
|
* Object caching using XCache.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
* http://www.gnu.org/copyleft/gpl.html
|
|
*
|
|
* @file
|
|
* @ingroup Cache
|
|
*/
|
|
|
|
/**
|
|
* Wrapper for XCache object caching functions; identical interface
|
|
* to the APC wrapper
|
|
*
|
|
* @ingroup Cache
|
|
*/
|
|
class XCacheBagOStuff extends BagOStuff {
|
|
/**
|
|
* Get a value from the XCache object cache
|
|
*
|
|
* @param $key String: cache key
|
|
* @param $casToken mixed: cas token
|
|
* @return mixed
|
|
*/
|
|
public function get( $key, &$casToken = null ) {
|
|
$val = xcache_get( $key );
|
|
|
|
if ( is_string( $val ) ) {
|
|
if ( $this->isInteger( $val ) ) {
|
|
$val = intval( $val );
|
|
} else {
|
|
$val = unserialize( $val );
|
|
}
|
|
} elseif ( is_null( $val ) ) {
|
|
return false;
|
|
}
|
|
|
|
return $val;
|
|
}
|
|
|
|
/**
|
|
* Store a value in the XCache object cache
|
|
*
|
|
* @param $key String: cache key
|
|
* @param $value Mixed: object to store
|
|
* @param $expire Int: expiration time
|
|
* @return bool
|
|
*/
|
|
public function set( $key, $value, $expire = 0 ) {
|
|
if ( !$this->isInteger( $value ) ) {
|
|
$value = serialize( $value );
|
|
}
|
|
|
|
xcache_set( $key, $value, $expire );
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param $casToken mixed
|
|
* @param $key string
|
|
* @param $value mixed
|
|
* @param $exptime int
|
|
* @return bool
|
|
*/
|
|
public function cas( $casToken, $key, $value, $exptime = 0 ) {
|
|
// Can't find any documentation on xcache cas
|
|
throw new MWException( "CAS is not implemented in " . __CLASS__ );
|
|
}
|
|
|
|
/**
|
|
* Remove a value from the XCache object cache
|
|
*
|
|
* @param $key String: cache key
|
|
* @param $time Int: not used in this implementation
|
|
* @return bool
|
|
*/
|
|
public function delete( $key, $time = 0 ) {
|
|
xcache_unset( $key );
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Merge an item.
|
|
* XCache does not seem to support any way of performing CAS - this however will
|
|
* provide a way to perform CAS-like functionality.
|
|
*
|
|
* @param $key string
|
|
* @param $callback closure Callback method to be executed
|
|
* @param $exptime int Either an interval in seconds or a unix timestamp for expiry
|
|
* @param $attempts int The amount of times to attempt a merge in case of failure
|
|
* @return bool success
|
|
*/
|
|
public function merge( $key, closure $callback, $exptime = 0, $attempts = 10 ) {
|
|
return $this->mergeViaLock( $key, $callback, $exptime, $attempts );
|
|
}
|
|
|
|
public function incr( $key, $value = 1 ) {
|
|
return xcache_inc( $key, $value );
|
|
}
|
|
|
|
public function decr( $key, $value = 1 ) {
|
|
return xcache_dec( $key, $value );
|
|
}
|
|
}
|