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From "Shai Erera (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-2305) Introduce Version in more places long before 4.0
Date Tue, 09 Mar 2010 01:37:27 GMT
Introduce Version in more places long before 4.0
------------------------------------------------

                 Key: LUCENE-2305
                 URL: https://issues.apache.org/jira/browse/LUCENE-2305
             Project: Lucene - Java
          Issue Type: Improvement
            Reporter: Shai Erera
             Fix For: 3.1


We need to introduce Version in as many places as we can (wherever it makes sense of course),
and preferably long before 4.0 (or shall I say 3.9?) is out. That way, we can have a bunch
of deprecated API now, that will be gone in 4.0, rather than doing it one class at a time
and never finish :).

The purpose is to introduce Version wherever it is mandatory now, and also in places where
we think it might be useful in the future (like most of our Analyzers, configured classes
and configuration classes).

I marked this issue for 3.1, though I don't expect it to end in 3.1. I still think it will
be done one step at a time, perhaps for cluster of classes together. But on the other hand
I don't want to mark it for 4.0.0 because that needs to be resolved much sooner. So if I had
a 3.9 version defined, I'd mark it for 3.9. We can do several commits in one issue right?
So this one can live for a while in JIRA, while we gradually convert more and more classes.

The first candidate is InstantiatedIndexWriter which probably should take an IndexWriterConfig.
While I converted the code to use IWC, I've noticed Instantiated defaults its maxFieldLength
to the current default (10,000) which is deprecated. I couldn't change it for back-compat
reasons. But we can upgrade it to accept IWC, and set to unlimited if the version is onOrAfter
3.1, otherwise stay w/ the deprecated default.

if it's acceptable to have several commits in one issue, I can start w/ Instantiated, post
a patch and then we can continue to more classes.

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