Database: Allow selectFieldValues() to accept SQL fragments

[lhc/web/wiklou.git] / includes / libs / ProcessCacheLRU.php

diff --git a/includes/libs/ProcessCacheLRU.php b/includes/libs/ProcessCacheLRU.php
index 5a93391..b374259 100644 (file)
--- a/includes/libs/ProcessCacheLRU.php
+++ b/includes/libs/ProcessCacheLRU.php
@@ -23,14 +23,17 @@
 use Wikimedia\Assert\Assert;
 
 /**
- * Handles per process caching of items
+ * Class for process caching individual properties of expiring items
+ *
+ * When the key for an entire item is deleted, all properties for it are deleted
+ *
  * @ingroup Cache
  */
 class ProcessCacheLRU {
-       /** @var Array */
+       /** @var array */
        protected $cache = []; // (key => prop => value)
 
-       /** @var Array */
+       /** @var array */
        protected $cacheTimes = []; // (key => prop => UNIX timestamp)
 
        protected $maxCacheKeys; // integer; max entries
@@ -149,4 +152,12 @@ class ProcessCacheLRU {
                unset( $this->cache[$key] );
                $this->cache[$key] = $item;
        }
+
+       /**
+        * Get cache size
+        * @return int
+        */
+       public function getSize() {
+               return $this->maxCacheKeys;
+       }
 }