1 files changed, 27 insertions, 16 deletions
diff --git a/includes/objectcache/APCBagOStuff.php b/includes/objectcache/APCBagOStuff.php
index 1a0de218..3fb80835 100644
--- a/includes/objectcache/APCBagOStuff.php
+++ b/includes/objectcache/APCBagOStuff.php
@@ -29,11 +29,14 @@
 class APCBagOStuff extends BagOStuff {
 	/**
 	 * @param $key string
+	 * @param $casToken[optional] int
 	 * @return mixed
 	 */
-	public function get( $key ) {
+	public function get( $key, &$casToken = null ) {
 		$val = apc_fetch( $key );
 
+		$casToken = $val;
+
 		if ( is_string( $val ) ) {
 			if ( $this->isInteger( $val ) ) {
 				$val = intval( $val );
@@ -62,6 +65,18 @@ class APCBagOStuff extends BagOStuff {
 	}
 
 	/**
+	 * @param $casToken mixed
+	 * @param $key string
+	 * @param $value mixed
+	 * @param $exptime int
+	 * @return bool
+	 */
+	public function cas( $casToken, $key, $value, $exptime = 0 ) {
+		// APC's CAS functions only work on integers
+		throw new MWException( "CAS is not implemented in " . __CLASS__ );
+	}
+
+	/**
 	 * @param $key string
 	 * @param $time int
 	 * @return bool
@@ -72,6 +87,17 @@ class APCBagOStuff extends BagOStuff {
 		return true;
 	}
 
+	/**
+	 * @param $key string
+	 * @param $callback closure Callback method to be executed
+	 * @param int $exptime Either an interval in seconds or a unix timestamp for expiry
+	 * @param int $attempts 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 apc_inc( $key, $value );
 	}
@@ -79,19 +105,4 @@ class APCBagOStuff extends BagOStuff {
 	public function decr( $key, $value = 1 ) {
 		return apc_dec( $key, $value );
 	}
-
-	/**
-	 * @return Array
-	 */
-	public function keys() {
-		$info = apc_cache_info( 'user' );
-		$list = $info['cache_list'];
-		$keys = array();
-
-		foreach ( $list as $entry ) {
-			$keys[] = $entry['info'];
-		}
-
-		return $keys;
-	}
 }