[Validator] Allow Sequentially constraints on classes

Author: ogizanagi

Constraints/Sequentially.php

@@ -16,7 +16,7 @@
  * Validation for the nested constraints collection will stop at first violation.
  *
  * @Annotation
- * @Target({"PROPERTY", "METHOD", "ANNOTATION"})
+ * @Target({"CLASS", "PROPERTY", "METHOD", "ANNOTATION"})
  *
  * @author Maxime Steinhausser <[email protected]>
  */
@@ -38,4 +38,9 @@ protected function getCompositeOption()
     {
         return 'constraints';
     }
+
+    public function getTargets()
+    {
+        return [self::CLASS_CONSTRAINT, self::PROPERTY_CONSTRAINT];
+    }
 }