lib/ohm.rb in ohm-0.0.27 vs lib/ohm.rb in ohm-0.0.28

@@ -608,11 +608,16 @@
     def key(*args)
       self.class.key(id, *args)
     end
 
     def write
-      attributes.each { |att| write_remote(att, send(att)) }
+      unless attributes.empty?
+        rems, adds = attributes.map { |a| [key(a), send(a)] }.partition { |t| t.last.nil? }
+
+        db.del(*rems.flatten.compact) unless rems.empty?
+        db.mset(adds.flatten)         unless adds.empty?
+      end
     end
 
   private
 
     def self.db
@@ -690,15 +695,9 @@
       @_attributes[att] = value
     end
 
     def read_remote(att)
       db.get(key(att)) unless new?
-    end
-
-    def write_remote(att, value)
-      value.nil? ?
-        db.del(key(att)) :
-        db.set(key(att), value)
     end
 
     def read_locals(attrs)
       attrs.map do |att|
         send(att)