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Home » Modeling » EMF "Technology" (Ecore Tools, EMFatic, etc)  » allInstances not working
allInstances not working [message #563617] Sat, 21 January 2006 04:11
Eclipse UserFriend
Originally posted by: info.dfm2html.com

For the interpreter example applied on the library example,
the expression "Book->allInstances()" yields following error:
illegal operation signature: (Set(null).allInstances())

Although for the library example I could use the expression "books" with the
library EObject as context
to print out all books (using the EReference),
I need something like "Book->allInstances()" for other metamodels in
general.

I saw "allInstances" used in the GMF tutorial "OCL Interpreter Tutorial"
used withing some other methods,
but I thought this would work with the Interpreter example, too.

(I tested this on the latest build.)

Any idea?
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