1 files changed, 5 insertions, 1 deletions
diff --git a/Core/Authorization/AccessDecisionManager.php b/Core/Authorization/AccessDecisionManager.php
index 18c3569..9445440 100644
--- a/Core/Authorization/AccessDecisionManager.php
+++ b/Core/Authorization/AccessDecisionManager.php
@@ -22,6 +22,10 @@ use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
  */
 class AccessDecisionManager implements AccessDecisionManagerInterface
 {
+    const STRATEGY_AFFIRMATIVE = 'affirmative';
+    const STRATEGY_CONSENSUS   = 'consensus';
+    const STRATEGY_UNANIMOUS   = 'unanimous';
+
     private $voters;
     private $strategy;
     private $allowIfAllAbstainDecisions;
@@ -37,7 +41,7 @@ class AccessDecisionManager implements AccessDecisionManagerInterface
      *
      * @throws \InvalidArgumentException
      */
-    public function __construct(array $voters, $strategy = 'affirmative', $allowIfAllAbstainDecisions = false, $allowIfEqualGrantedDeniedDecisions = true)
+    public function __construct(array $voters, $strategy = self::STRATEGY_AFFIRMATIVE, $allowIfAllAbstainDecisions = false, $allowIfEqualGrantedDeniedDecisions = true)
     {
         if (!$voters) {
             throw new \InvalidArgumentException('You must at least add one voter.');