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From Cristian Lorenzetto <>
Subject ThreadLocal Transaction
Date Thu, 18 Aug 2016 08:52:42 GMT
I d like to create a class for creating a classical transaction.
Overviewing lucene api , i can see commit/rollback/prepareCommit are just
for the entire index not for partial modifications.

So i thought i could to use api writer.addIndexes as support:
when i open a transaction i could
create a temporary lucene directory ....
make all persistent operation on it.

reading operation inside transaction using a special reader using 2 indexes
(main+temporary). If i remember correctly there is in lucene this special
when there is a threadlocal commit i copy directory (addIndexes api) to
main directory , and i delete the temporary dir.

What do you think? can it work?
lucene api are thread safe?

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