lib/bluepill/process_statistics.rb in bluepill-0.0.51 vs lib/bluepill/process_statistics.rb in bluepill-0.0.52

@@ -1,23 +1,27 @@
 # -*- encoding: utf-8 -*-
 module Bluepill
   class ProcessStatistics
-    STRFTIME = "%m/%d/%Y %H:%I:%S"
+    STRFTIME = "%m/%d/%Y %H:%I:%S".freeze
+    EVENTS_TO_PERSIST = 10
 
+    attr_reader :events
+
     # possibly persist this data.
     def initialize
-      @events = Util::RotationalArray.new(10)
+      @events = Util::RotationalArray.new(EVENTS_TO_PERSIST)
     end
 
     def record_event(event, reason)
-      @events.push([event, reason, Time.now])
+      events.push([event, reason, Time.now])
     end
 
     def to_s
-      str = @events.reverse.map do |(event, reason, time)|
+      str = events.reverse.map do |(event, reason, time)|
         "  #{event} at #{time.strftime(STRFTIME)} - #{reason || "unspecified"}"
       end.join("\n")
 
       "event history:\n#{str}"
     end
   end
 end
+