Merge e432085 into a4c3d65

lib/delayed/worker.rb

@@ -100,6 +100,10 @@ def self.lifecycle
       @lifecycle ||= Delayed::Lifecycle.new
     end
 
+    def self.reload_app?
+      defined?(ActionDispatch::Reloader) && Rails.application.config.cache_classes == false
+    end
+
     def initialize(options = {})
       @quiet = options.key?(:quiet) ? options[:quiet] : true
       @failed_reserve_count = 0
@@ -155,6 +159,7 @@ def start # rubocop:disable CyclomaticComplexity, PerceivedComplexity
               break
             elsif !stop?
               sleep(self.class.sleep_delay)
+              reload!
             end
           else
             say format("#{count} jobs processed at %.4f j/s, %d failed", count / @realtime, @result.last)
@@ -286,5 +291,11 @@ def reserve_job
       raise FatalBackendError if @failed_reserve_count >= 10
       nil
     end
+
+    def reload!
+      return unless self.class.reload_app?
+      ActionDispatch::Reloader.cleanup!
+      ActionDispatch::Reloader.prepare!
+    end
   end
 end