isCurrent() and getVersion() on an NRT reader are broken
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Key: LUCENE-1976
URL: https://issues.apache.org/jira/browse/LUCENE-1976
Project: Lucene - Java
Issue Type: Bug
Components: Index
Affects Versions: 2.9
Reporter: Michael McCandless
Assignee: Michael McCandless
Priority: Minor
Fix For: 3.1
Right now isCurrent() will always return true for an NRT reader and
getVersion() will always return the version of the last commit. This is
because the NRT reader holds the live segmentInfos.
I think isCurrent() should return "false" when any further changes have
occurred with the writer, else true. This is actually fairly easy to
determine, since the writer tracks how many docs & deletions are buffered in
RAM and these counters only increase with each change.
getVersion should return the version as of when the reader was created.
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