lib/asynchronic/data_store/key.rb in asynchronic-0.1.0 vs lib/asynchronic/data_store/key.rb in asynchronic-0.2.0

@@ -1,14 +1,32 @@
 module Asynchronic
   module DataStore
     class Key < String
     
+      SEPARATOR = '|'
+      
       def initialize(key)
         super key.to_s
       end
 
       def [](key)
-        self.class.new "#{self}:#{key}"
+        self.class.new [self,key].join(SEPARATOR)
+      end
+
+      def sections
+        split SEPARATOR
+      end
+
+      def nested?
+        sections.count > 1
+      end
+
+      def remove_first(count=1)
+        self.class.new sections[count..-1].join(SEPARATOR)
+      end
+
+      def remove_last(count=1)
+        self.class.new sections[0..-count-1].join(SEPARATOR)
       end
 
     end
   end
 end
\ No newline at end of file