def updateDomain(self, domainId, domainTitle, domainDescription, domainStatus):
_domain = Domain.get_by_id(domainId)
if domainTitle is not None:
_domain.title = domainTitle
if domainDescription is not None:
_domain.description = domainDescription
if domainStatus is not None:
_domain.status = domainStatus
Domain.save(_domain)
