1 files changed, 6 insertions, 6 deletions
diff --git a/Acl/Domain/DoctrineAclCache.php b/Acl/Domain/DoctrineAclCache.php
index 3aae00f..eb18986 100644
--- a/Acl/Domain/DoctrineAclCache.php
+++ b/Acl/Domain/DoctrineAclCache.php
@@ -26,9 +26,9 @@ class DoctrineAclCache implements AclCacheInterface
 {
     const PREFIX = 'sf2_acl_';
 
-    protected $cache;
-    protected $prefix;
-    protected $permissionGrantingStrategy;
+    private $cache;
+    private $prefix;
+    private $permissionGrantingStrategy;
 
     /**
      * Constructor
@@ -145,7 +145,7 @@ class DoctrineAclCache implements AclCacheInterface
      * @param string $serialized
      * @return AclInterface
      */
-    protected function unserializeAcl($serialized)
+    private function unserializeAcl($serialized)
     {
         $acl = unserialize($serialized);
 
@@ -203,7 +203,7 @@ class DoctrineAclCache implements AclCacheInterface
      * @param ObjectIdentityInterface $oid
      * @return string
      */
-    protected function getDataKeyByIdentity(ObjectIdentityInterface $oid)
+    private function getDataKeyByIdentity(ObjectIdentityInterface $oid)
     {
         return $this->prefix.md5($oid->getType()).sha1($oid->getType())
                .'_'.md5($oid->getIdentifier()).sha1($oid->getIdentifier());
@@ -215,7 +215,7 @@ class DoctrineAclCache implements AclCacheInterface
      * @param string $aclId
      * @return string
      */
-    protected function getAliasKeyForIdentity($aclId)
+    private function getAliasKeyForIdentity($aclId)
     {
         return $this->prefix.$aclId;
     }