lib/redis_ext/redis_queue.rb in gandalf-0.0.2 vs lib/redis_ext/redis_queue.rb in gandalf-0.0.3

@@ -1,6 +1,5 @@
-require 'redis'
 require 'json'
 
 class RedisQueue
 
   attr_accessor :key, :redis
@@ -18,22 +17,22 @@
     begin
       value = JSON.parse(@redis.lpop(@key))
       new_hash = {}
       value.each{|k, v| new_hash[k.to_sym] = v}
       return new_hash 
-    rescue Exception => ex
-      puts ex
+    # Returns nil on any kind of exception
+    rescue Exception
       return nil
     end
   end
 
   def length
     @redis.llen(@key)
   end
 
-  def pop_first(length)
-    list = [] 
-    length.times do
+  def pop_first(count)
+    list = []
+    count.times do
       element = self.pop
       break unless element
       list << element
     end
     list