Legacy Issue Number: 3936
Source: DSTC ( Stephen Crawley)
Suppose that my meta-model has a Class whose Attribute has another Class
as its value. How do I represent this attribute in an XMI document when
its value is a null object reference?
According 22.214.171.124, the document should contain something like this:
<pkg.othercls xmi.idref="" />
Unfortunately, this doesn't work as the empty string is not legal as an
As far as I can tell the 9.3 EBNF rules (e.g. production 7h) don't even
consider the case where an Attribute's type is a Class.
Reported: XMI 1.1 — Thu, 5 Oct 2000 04:00 GMT
Updated: Wed, 11 Mar 2015 11:12 GMT