From 55a97ec78e87b3c374d0e1773afffc745cfe7533 Mon Sep 17 00:00:00 2001
From: Bernhard Schussek <bernhard.schussek@symfony-project.com>
Date: Thu, 3 Feb 2011 10:53:30 +0100
Subject: [PATCH] [Validator] Made GraphWalker::validateReference() method
 public

---
 .../Component/Validator/GraphWalker.php       |  2 +-
 .../Validator/Mapping/Cache/ApcCache.php      | 35 +++++++++++++++++++
 2 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 src/Symfony/Component/Validator/Mapping/Cache/ApcCache.php

diff --git a/src/Symfony/Component/Validator/GraphWalker.php b/src/Symfony/Component/Validator/GraphWalker.php
index 83068b01a8..221a0bc2ae 100644
--- a/src/Symfony/Component/Validator/GraphWalker.php
+++ b/src/Symfony/Component/Validator/GraphWalker.php
@@ -133,7 +133,7 @@ class GraphWalker
         }
     }
 
-    protected function walkReference($value, $group, $propertyPath, $traverse)
+    public function walkReference($value, $group, $propertyPath, $traverse)
     {
         if (null !== $value) {
             if (!is_object($value) && !is_array($value)) {
diff --git a/src/Symfony/Component/Validator/Mapping/Cache/ApcCache.php b/src/Symfony/Component/Validator/Mapping/Cache/ApcCache.php
new file mode 100644
index 0000000000..38361cbac0
--- /dev/null
+++ b/src/Symfony/Component/Validator/Mapping/Cache/ApcCache.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace Symfony\Components\Validator\Mapping\Cache;
+
+use Symfony\Components\Validator\Mapping\ClassMetadata;
+
+class ApcCache implements CacheInterface
+{
+    public function has($class)
+    {
+        apc_delete($this->computeCacheKey($class));
+        apc_fetch($this->computeCacheKey($class), $exists);
+
+        return $exists;
+    }
+
+    public function read($class)
+    {
+        if (!$this->has($class)) {
+            // TODO exception
+        }
+
+        return apc_fetch($this->computeCacheKey($class));
+    }
+
+    public function write(ClassMetadata $metadata)
+    {
+        apc_store($this->computeCacheKey($metadata->getClassName()), $metadata);
+    }
+
+    protected function computeCacheKey($class)
+    {
+        return 'Symfony\Components\Validator:'.$class;
+    }
+}
\ No newline at end of file