Is there a way to test if a change is going to be vetoed before it is
attempted??
For example I would like to peform an operation on a list of sequences but
if I get halfway throught the list and suddenly find a sequence which cannot
be changes I would like to throw an exception and roll back the changes
already made. It would be better if I could check to make sure everything
will be OK before starting.
Can anyone help with this??
Mark
Mark Schreiber
Bioinformatics
AgResearch Invermay
PO Box 50034
Mosgiel
New Zealand
PH: +64 3 489 9175
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