> > If nothing else we would be interested in at least being able to extend Document, which is currently declared final. (Anyone know the performance gains on declaring a class final?)


Some of the classes are declared final due to performance issues in
previous vm versions < 1.4 but not all of them. Document for instance
has been declared final as is described here:
http://mail-archives.apache.org/mod_mbox/lucene-java-user/200204.mbox/%3c20020411181942.32093.qmail@mailshell.com%3e

I can remember other discussion about this topic but I can find them
in the list arch. anymore.

just my 2 cent.


simon

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