From: Aaron Schulz <aschulz@wikimedia.org>
Date: Tue, 11 Sep 2012 06:32:12 +0000 (-0700)
Subject: Added some doc comments for BacklinkCache.
X-Git-Tag: 1.31.0-rc.0~22410
X-Git-Url: http://git.cyclocoop.org/%24image?a=commitdiff_plain;h=e40a90f0bcbab65a8e0c4bf9d9a12285bd510215;p=lhc%2Fweb%2Fwiklou.git

Added some doc comments for BacklinkCache.

Change-Id: I71201582726c986384fe9fba60a5bdc7fa465be8
---

diff --git a/includes/BacklinkCache.php b/includes/BacklinkCache.php
index 824c38a216..05bf31865c 100644
--- a/includes/BacklinkCache.php
+++ b/includes/BacklinkCache.php
@@ -91,14 +91,16 @@ class BacklinkCache {
 	}
 
 	/**
-	 * Create a new BacklinkCache or reuse any existing one
+	 * Create a new BacklinkCache or reuse any existing one.
+	 * Currently, only one cache instance can exist; callers that
+	 * need multiple backlink cache objects should keep them in scope.
 	 *
 	 * @param Title $title : Title object to get a backlink cache for
 	 * @return BacklinkCache
 	 */
 	public static function get( Title $title ) {
 		if ( !self::$cache ) { // init cache
-			self::$cache = new ProcessCacheLRU( 2 );
+			self::$cache = new ProcessCacheLRU( 1 );
 		}
 		$dbKey = $title->getPrefixedDBkey();
 		if ( !self::$cache->has( $dbKey, 'obj' ) ) {