* the PHP memcached client.
*
* backends for local hash array and SQL table included:
- * $bag = new HashBagOStuff();
- * $bag = new MysqlBagOStuff($tablename); # connect to db first
+ * <code>
+ * $bag = new HashBagOStuff();
+ * $bag = new MysqlBagOStuff($tablename); # connect to db first
+ * </code>
*
*/
class BagOStuff {
*/
var $bag;
- function HashBagOStuff() {
+ function __construct() {
$this->bag = array();
}
var $table;
var $lastexpireall = 0;
- function SqlBagOStuff($tablename = 'objectcache') {
+ function __construct($tablename = 'objectcache') {
$this->table = $tablename;
}
}
function set($key,$value,$exptime=0) {
+ if ( wfReadOnly() ) {
+ return false;
+ }
$exptime = intval($exptime);
if($exptime < 0) $exptime = 0;
if($exptime == 0) {
}
function delete($key,$time=0) {
+ if ( wfReadOnly() ) {
+ return false;
+ }
$this->_query(
"DELETE FROM $0 WHERE keyname='$1'", $key );
return true; /* ? */
function expireall() {
/* Remove any items that have expired */
+ if ( wfReadOnly() ) {
+ return false;
+ }
$now = $this->_fromunixtime( time() );
$this->_query( "DELETE FROM $0 WHERE exptime < '$now'" );
}
function deleteall() {
/* Clear *all* items from cache table */
+ if ( wfReadOnly() ) {
+ return false;
+ }
$this->_query( "DELETE FROM $0" );
}
* This is a wrapper for APC's shared memory functions
*
*/
-
class APCBagOStuff extends BagOStuff {
function get($key) {
$val = apc_fetch($key);
}
}
+/**
+ * Wrapper for XCache object caching functions; identical interface
+ * to the APC wrapper
+ */
+class XCacheBagOStuff extends BagOStuff {
+
+ /**
+ * Get a value from the XCache object cache
+ *
+ * @param string $key Cache key
+ * @return mixed
+ */
+ public function get( $key ) {
+ $val = xcache_get( $key );
+ if( is_string( $val ) )
+ $val = unserialize( $val );
+ return $val;
+ }
+
+ /**
+ * Store a value in the XCache object cache
+ *
+ * @param string $key Cache key
+ * @param mixed $value Object to store
+ * @param int $expire Expiration time
+ * @return bool
+ */
+ public function set( $key, $value, $expire = 0 ) {
+ xcache_set( $key, serialize( $value ), $expire );
+ return true;
+ }
+
+ /**
+ * Remove a value from the XCache object cache
+ *
+ * @param string $key Cache key
+ * @param int $time Not used in this implementation
+ * @return bool
+ */
+ public function delete( $key, $time = 0 ) {
+ xcache_unset( $key );
+ return true;
+ }
+
+}
+
+/**
+ * @todo document
+ */
class DBABagOStuff extends BagOStuff {
var $mHandler, $mFile, $mReader, $mWriter, $mDisabled;
function delete( $key, $time = 0 ) {
wfProfileIn( __METHOD__ );
+ wfDebug( __METHOD__."($key)\n" );
$handle = $this->getWriter();
if ( !$handle ) {
return false;
}
}
-?>
+