lib/dbee/model/constraints/base.rb in dbee-1.0.3 vs lib/dbee/model/constraints/base.rb in dbee-1.1.0

@@ -20,18 +20,20 @@
           @name   = name.to_s
           @parent = parent.to_s
         end
 
         def <=>(other)
-          "#{name}#{parent}" <=> "#{other.name}#{other.parent}"
+          "#{self.class.name}#{name}#{parent}" <=> "#{other.class.name}#{other.name}#{other.parent}"
         end
 
         def hash
-          "#{name}#{parent}".hash
+          "#{self.class.name}#{name}#{parent}".hash
         end
 
         def ==(other)
-          other.name == name && other.parent == parent
+          other.instance_of?(self.class) &&
+            other.name == name &&
+            other.parent == parent
         end
         alias eql? ==
       end
     end
   end