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https://issues.apache.org/jira/browse/SOLR-12587?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16556261#comment-16556261
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Adrien Grand commented on SOLR-12587:
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Oh I see, a chicken-and-egg issue! I think this getSentinelObjet is designed to
be implemented in an anonymous class. Maybe we should change PriorityQueue to
take eg. a {{Supplier<T>}} in place of the {{boolean prepopulate}} and remove
{{getSentinelObject}}.
> Reuse Lucene's PriorityQueue for the ExportHandler
> --------------------------------------------------
>
> Key: SOLR-12587
> URL: https://issues.apache.org/jira/browse/SOLR-12587
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Varun Thacker
> Assignee: Varun Thacker
> Priority: Major
> Labels: export-writer
> Attachments: SOLR-12587.patch
>
>
> We have a priority queue in Lucene {{org.apache.lucene.utilPriorityQueue}} .
> The Export Handler also implements a PriorityQueue
> {{org.apache.solr.handler.export.PriorityQueue}} . Both are obviously very
> similar with minor API differences.
>
> The aim here is to reuse Lucene's PQ and remove the Solr implementation.
>
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