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https://issues.apache.org/jira/browse/UIMA-1366?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Branimir Lambov closed UIMA-1366.
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> Binary heap annotation iterator implementation
> ----------------------------------------------
>
> Key: UIMA-1366
> URL: https://issues.apache.org/jira/browse/UIMA-1366
> Project: UIMA
> Issue Type: Improvement
> Components: Core Java Framework
> Reporter: Branimir Lambov
> Assignee: Thilo Goetz
> Fix For: 2.3
>
> Attachments: BinaryHeapIteratorPatch.txt
>
>
> The attached patch is a logarithmic complexity implementation of
> FSIndexRepositoryImpl.PointerIterator. The implementation maintains a binary
> heap of indexes and a short sorted section before the start of the heap to
> avoid spending more time than the old UIMA iterator when a couple of types
> completely dominate the heap.
> It offers small advantage when iterating over a small number of types and
> should be significantly faster for large numbers of types, as well as in
> situations where moveToNext() is not the only operation used on the iterator.
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