lib/nanoc/base/compilation/outdatedness_checker.rb in nanoc-4.0.0b3 vs lib/nanoc/base/compilation/outdatedness_checker.rb in nanoc-4.0.0b4

@@ -79,12 +79,12 @@
     #   whose outdatedness reason should be calculated.
     #
     # @return [Nanoc::Int::OutdatednessReasons::Generic, nil] The reason why the
     #   given object is outdated, or nil if the object is not outdated.
     def basic_outdatedness_reason_for(obj)
-      case obj.type
-      when :item_rep
+      case obj
+      when Nanoc::Int::ItemRep
         # Outdated if rules outdated
         return Nanoc::Int::OutdatednessReasons::RulesModified if
           rule_memory_differs_for(obj)
 
         # Outdated if checksums are missing or different
@@ -102,13 +102,13 @@
         # Outdated if configuration outdated
         return Nanoc::Int::OutdatednessReasons::ConfigurationModified if object_modified?(site.config)
 
         # Not outdated
         return nil
-      when :item
+      when Nanoc::Int::Item
         obj.reps.find { |rep| basic_outdatedness_reason_for(rep) }
-      when :layout
+      when Nanoc::Int::Layout
         # Outdated if rules outdated
         return Nanoc::Int::OutdatednessReasons::RulesModified if
           rule_memory_differs_for(obj)
 
         # Outdated if checksums are missing or different
@@ -134,11 +134,11 @@
     #   indefinitely. It should not be necessary to pass this a custom value.
     #
     # @return [Boolean] true if the object is outdated, false otherwise
     def outdated_due_to_dependencies?(obj, processed = Set.new)
       # Convert from rep to item if necessary
-      obj = obj.item if obj.type == :item_rep
+      obj = obj.item if obj.is_a?(Nanoc::Int::ItemRep)
 
       # Get from cache
       if @objects_outdated_due_to_dependencies.key?(obj)
         return @objects_outdated_due_to_dependencies[obj]
       end
@@ -173,19 +173,19 @@
     # @param obj
     #
     # @return [Boolean] false if either the new or the old checksum for the
     #   given object is not available, true if both checksums are available
     def checksums_available?(obj)
-      checksum_store[obj] && obj.__nanoc_checksum
+      checksum_store[obj] && Nanoc::Int::Checksummer.calc(obj)
     end
     memoize :checksums_available?
 
     # @param obj
     #
     # @return [Boolean] false if the old and new checksums for the given
     #   object differ, true if they are identical
     def checksums_identical?(obj)
-      checksum_store[obj] == obj.__nanoc_checksum
+      checksum_store[obj] == Nanoc::Int::Checksummer.calc(obj)
     end
     memoize :checksums_identical?
 
     # @param obj
     #