- explain problems of defining isBuildable

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@28126 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/BusinessPath.py

@@ -194,6 +194,16 @@ class BusinessPath(Path):
     predecessor = self.getPredecessorValue()
     if predecessor is None:
       return result
+    # XXX FIXME TODO
+    # For now isPartiallyCompleted is used, as it was
+    # assumed to not implement isPartiallyBuildable, so in reality
+    # isBuildable is implemented like isPartiallyBuildable
+    #
+    # But in some cases it might be needed to implement
+    # isPartiallyBuildable, than isCompleted have to be used here
+    #
+    # Such cases are Business Processes using sequence not related
+    # to simulation tree with much of compensations
     if predecessor.isPartiallyCompleted(explanation):
       return result
     return False