add cas operation for apc adapter

prolic · Jul 17, 2013 · 82001f3 · 82001f3
1 parent 5595004
commit 82001f3
Showing 1 changed file with 20 additions and 0 deletions.
diff --git a/library/Zend/Cache/Storage/Adapter/Apc.php b/library/Zend/Cache/Storage/Adapter/Apc.php
@@ -734,4 +734,24 @@ protected function normalizeMetadata(array & $metadata)
             $metadata['num_hits']
         );
     }
+
+    /**
+     * Internal method to set an item only if token matches
+     *
+     * @param  mixed  $token
+     * @param  string $normalizedKey
+     * @param  mixed  $value
+     * @return bool
+     * @throws Exception\ExceptionInterface
+     * @see    getItem()
+     * @see    setItem()
+     */
+    protected function internalCheckAndSetItem(& $token, & $normalizedKey, & $value)
+    {
+        if (!$this->internalHasItem($normalizedKey)) {
+            return false;
+        }
+
+        return apc_cas($normalizedKey, $token, $value);
+    }
 }