lib/workless/scalers/heroku_cedar.rb in rcarvalho-workless-1.0.2.8 vs lib/workless/scalers/heroku_cedar.rb in rcarvalho-workless-1.0.2.9

@@ -7,11 +7,11 @@
       class HerokuCedar < Base
 
         extend Delayed::Workless::Scaler::HerokuClient
 
         def self.up
-          @@current_num_workers || 0
+          @@current_num_workers ||= 0
           nw = self.calculate_num_workers
           if nw
             if @@current_num_workers != nw
               @@current_num_workers = nw
               client.ps_scale(ENV['APP_NAME'], :type => 'worker', :qty => @@current_num_workers) 
@@ -19,11 +19,11 @@
           end
         rescue
         end
 
         def self.down
-          @@current_num_workers || 0
+          @@current_num_workers ||= 0
           nw = self.calculate_num_workers
           if nw
             if @@current_num_workers != nw
               @@current_num_workers = nw
               client.ps_scale(ENV['APP_NAME'], :type => 'worker', :qty => nw)
@@ -31,10 +31,10 @@
           end          
         rescue
         end
 
         def self.workers
-          @@current_num_workers || 0
+          @@current_num_workers ||= 0
           @@current_num_workers || client.ps(ENV['APP_NAME']).count { |p| p["process"] =~ /worker\.\d?/ }
         end
 
       end