I want to set documents in my IndexReader as deleted, but I will
never commit these deletions. Sort of a filter on a reader rather
than on a searcher, and no write-locks.
Can I do that out of the box?
Perhaps I can pass down a IndexDeletionPolicy to my IndexWriter that
ignores deletions from the IndexReader(s) to avoid the lock?
Changing the directory lock factory it will effect the IndexWriter
locks too? So that would not be an option, or?
I could go hacking in IndexReader, definalizing it for decoration of
deleteDocument(int), or something like that, but would really prefere
not to.
This is for a transactional layer on top of Lucene, where I combine
the system index with a transactional index. Updated documents that
are represented in the transaction index must be filtered out from
the system index at IndexReader level without creating write-locks.
undeleteAll() would be an option if there was no locks -- more than
one transaction could be updating documents at the same time.
--
karl
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