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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-621) Default lock timeouts should have static setter/getters
Date Fri, 30 Jun 2006 13:00:30 GMT
Default lock timeouts should have static setter/getters
-------------------------------------------------------

         Key: LUCENE-621
         URL: http://issues.apache.org/jira/browse/LUCENE-621
     Project: Lucene - Java
        Type: Bug

  Components: Index  
    Versions: 2.0.0    
    Reporter: Michael McCandless
    Priority: Minor
 Attachments: IndexWriter.java.diff


We recently stopped using Java system properties to derive defaults for things like the write/commit
lock timeout, and switched to getter/setter's across all classes.  See here:

    http://www.gossamer-threads.com/lists/lucene/java-dev/27447

But, in the case at least of the write lock timeout, because it's marked "public final static",
a consumer of this API can no longer change this value before instantiating the IndexWriter.
 This is because the getter/setter for this is not static, which generally makes sense so
you can change the timeout for each instance of IndexWriter.  But because IndexWriter on construction
uses the timeout value, some uses cases need to change the value before getting an instance
of IndexWriter.

This was actually a regression, in that Lucene users lost functionality they previously had,
on upgrading.

I would propose that that we add getter/setter for the default value of this timeout, which
would be static.  I'll attach a patch file.

See this thread for context that led to this issue:

   http://www.gossamer-threads.com/lists/lucene/java-dev/37421

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