X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/964ab3dd90ff1508efc0c77378cde2b3a4da1029..b22ff6242148a9b37baef6c74701fa85a8765adf:/services/api/app/models/link.rb

diff --git a/services/api/app/models/link.rb b/services/api/app/models/link.rb
index d9b8f6f09b..d38ea59083 100644
--- a/services/api/app/models/link.rb
+++ b/services/api/app/models/link.rb
@@ -8,7 +8,6 @@ class Link < ArvadosModel
   after_update :maybe_invalidate_permissions_cache
   after_create :maybe_invalidate_permissions_cache
   after_destroy :maybe_invalidate_permissions_cache
-  attr_accessor :head_kind, :tail_kind
   validate :name_links_are_obsolete
 
   api_accessible :user, extend: :common do |t|
@@ -21,11 +20,6 @@ class Link < ArvadosModel
     t.add :properties
   end
 
-  def properties
-    @properties ||= Hash.new
-    super
-  end
-
   def head_kind
     if k = ArvadosModel::resource_class_for_uuid(head_uuid)
       k.kind
@@ -66,7 +60,7 @@ class Link < ArvadosModel
       # permissions for head_uuid and tail_uuid, and invalidate the
       # cache for only those users. (This would require a browseable
       # cache.)
-      User.invalidate_permissions_cache
+      User.invalidate_permissions_cache db_current_time.to_i
     end
   end