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https://issues.apache.org/jira/browse/LUCENE-1720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12833863#action_12833863
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Mark Harwood commented on LUCENE-1720:
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bq. BTW found and fixed a bug in TimeLimitingIndexReader.reopen which returned
the wrapped reopened instance if it wasn't changed, instead of itself
Good catch.
bq. We can get over that by offering a protected getNewInstance(IndexReader)
which will be overridden by sub-classes
Would that be abstract? That would effectively help force subclasses to do the
right thing when reopening but introduce a back-compatibility issue.
If we don't make it abstract what would be the default implementation of this
method?
Maybe it's all best handled by simply adding a note saying "you really should
think about overriding reopen" in FilterIndexReader's javadocs?
> TimeLimitedIndexReader and associated utility class
> ---------------------------------------------------
>
> Key: LUCENE-1720
> URL: https://issues.apache.org/jira/browse/LUCENE-1720
> Project: Lucene - Java
> Issue Type: New Feature
> Components: Index
> Reporter: Mark Harwood
> Assignee: Mark Harwood
> Priority: Minor
> Attachments: ActivityTimedOutException.java,
> ActivityTimeMonitor.java, ActivityTimeMonitor.java, ActivityTimeMonitor.java,
> Lucene-1720.patch, Lucene-1720.patch, LUCENE-1720.patch,
> TestTimeLimitedIndexReader.java, TestTimeLimitedIndexReader.java,
> TimeLimitedIndexReader.java, TimeLimitedIndexReader.java
>
>
> An alternative to TimeLimitedCollector that has the following advantages:
> 1) Any reader activity can be time-limited rather than just single searches
> e.g. the document retrieve phase.
> 2) Times out faster (i.e. runaway queries such as fuzzies detected quickly
> before last "collect" stage of query processing)
> Uses new utility timeout class that is independent of IndexReader.
> Initial contribution includes a performance test class but not had time as
> yet to work up a formal Junit test.
> TimeLimitedIndexReader is coded as JDK1.5 but can easily be undone.
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