update default functions for disaggregator interface
update default functions for disaggregator interface


Former-commit-id: bc82afcb9c04e156abf3cda3285e17a40b9238f5
Former-commit-id: b6e84d6e9a0810a6fa5fcc2cbd910c27bbfc131b
dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy