mailer.rb in exception-alarm-1.0.1

- old
+ new

@@ -1,15 +1,12 @@
 module ExceptionAlarm
   class Mailer < ActionMailer::Base
     self.mailer_name = 'mailer'
     self.append_view_path "#{File.dirname(__FILE__)}/views"
 
-    cattr_accessor :prefix
-    cattr_accessor :sender
-    cattr_accessor :recipients
-    self.prefix = '[ERROR]'
-    self.sender = 'exception@example.com'
-    self.recipients = []
+    thread_local_accessor :prefix, default: '[ERROR]'
+    thread_local_accessor :sender, default: 'exception@example.com'
+    thread_local_accessor :recipients
 
     def alarm(env, exception)
       @env = env
       @exception = exception
       @kontroller = env['action_controller.instance']