end
end
+# MClass metric: Number of Abstract Class Ancestors
+#
+# Count only absrtract classes
+class CNOAA
+ super MClassMetric
+ super IntMetric
+ redef fun name do return "cnoaa"
+ redef fun desc do return "number of abstract class ancestors"
+
+ redef fun collect(mclasses) do
+ for mclass in mclasses do
+ var count = 0
+ for parent in mclass.in_hierarchy(mainmodule).greaters do
+ if parent == mclass then continue
+ if parent.kind == abstract_kind then
+ count += 1
+ end
+ end
+ values[mclass] = count
+ end
+ end
+end
+
# MClass metric: Number of Interface Ancestors
#
# Count only interfaces