From b739bf5a74b6017ed45351dc72f28522cd7af859 Mon Sep 17 00:00:00 2001
From: Ori Livneh <ori@wikimedia.org>
Date: Fri, 9 Oct 2015 16:26:26 -0700
Subject: [PATCH] Add ObjectCache::getMainClusterInstance()

Provide a complement to ObjectCache::getMainWANInstance() and
ObjectCache::getMainStashInstance() which gets the default ObjectCache
instance.

Change-Id: Ib16ee40908b159e60be41a308db49a9291b5de0d
---
 includes/objectcache/ObjectCache.php | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/includes/objectcache/ObjectCache.php b/includes/objectcache/ObjectCache.php
index 70e97ff148..c40f69613f 100644
--- a/includes/objectcache/ObjectCache.php
+++ b/includes/objectcache/ObjectCache.php
@@ -47,7 +47,7 @@ use MediaWiki\Logger\LoggerFactory;
  *   Stored only on the individual web server.
  *   Not associated with other servers.
  *
- * - wfGetMainCache()
+ * - ObjectCache::getMainClusterInstance()
  *   Purpose: Cache.
  *   Stored centrally within the local data-center.
  *   Not replicated to other DCs.
@@ -261,6 +261,18 @@ class ObjectCache {
 		return new $class( $params );
 	}
 
+	/**
+	 * Get the main cluster-local cache object.
+	 *
+	 * @since 1.27
+	 * @return BagOStuff
+	 */
+	public static function getMainClusterInstance() {
+		$config = RequestContext::getMain()->getConfig();
+		$id = $config->get( 'MainCacheType' );
+		return self::getInstance( $id );
+	}
+
 	/**
 	 * Get the main WAN cache object.
 	 *
-- 
2.20.1