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https://issues.apache.org/jira/browse/LUCENE-1784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12741336#action_12741336
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Michael McCandless commented on LUCENE-1784:
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I like the "make Boolean/DisjunctionMaxWeight protected and note in the
javadocs these APIs can suddenly change" approach best... could you work up a
patch, but on 2.9 not 2.4?
> Make BooleanWeight and DisjunctionMaxWeight protected
> -----------------------------------------------------
>
> Key: LUCENE-1784
> URL: https://issues.apache.org/jira/browse/LUCENE-1784
> Project: Lucene - Java
> Issue Type: Improvement
> Affects Versions: 2.4
> Reporter: Tim Smith
> Priority: Minor
> Attachments: LUCENE-1784.patch
>
>
> Currently, BooleanWeight is private, yet it has 2 protected members
> (similarity, weights) which are unaccessible from custom code
> i have some use cases where it would be very useful to crawl a BooleanWeight
> to get at the sub Weight objects
> however, since BooleanWeight is private, i have no way of doing this
> If BooleanWeight is protected, then i can subclass BooleanQuery to hook in
> and wrap BooleanWeight with a subclass to facilitate this walking of the
> Weight objects
> Would also want DisjunctionMaxWeight to be protected, along with its
> "weights" member
> Would be even better if these Weights were made public with accessors to
> their sub "weights" objects (then no subclassing would be necessary on my
> part)
> this should be really trivial and would be great if it can get into 2.9
> more generally, it would be nice if all Weight classes were public with nice
> accessors to relevant "sub weights"/etc so custom code can get its hooks in
> where and when desired
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