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From "Richard Eckart de Castilho (JIRA)" <...@uima.apache.org>
Subject [jira] [Updated] (UIMA-2830) Expose FSIterator via (J)CasUtil.select*() methods where applicable
Date Sun, 04 Aug 2013 12:21:49 GMT

     [ https://issues.apache.org/jira/browse/UIMA-2830?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Richard Eckart de Castilho updated UIMA-2830:

    Fix Version/s:     (was: 2.0.0uimaFIT)
> Expose FSIterator via (J)CasUtil.select*() methods where applicable
> -------------------------------------------------------------------
>                 Key: UIMA-2830
>                 URL: https://issues.apache.org/jira/browse/UIMA-2830
>             Project: UIMA
>          Issue Type: Improvement
>          Components: uimaFIT
>            Reporter: Richard Eckart de Castilho
>            Assignee: Richard Eckart de Castilho
>            Priority: Minor
>             Fix For: 2.1.0uimaFIT
> Some of the uimaFIT (J)CasUtil "select" methods work directly on an FSIndex or FSIterator.
In those cases, it would be nice if the methods didn't just return a Collection, but some
FSCollection<T> in which the iterator() method returns an FSIterator<T>.
> At least in those cases were an AnnotationIndex is used, it would be possible to actually
return something that implements Collection<T> and FSIndex<T>, so it can be used
in constructors like new ArrayList(...), in modern-style for loops, and for type-save access
to the index. 
> In those cases were an FSIterator is used because the type searched for is not an annotation,
the FSIndex<T> interface is not a good choice, because it contains several methods that
cannot be implemented based only on FSIterator.
> So maybe two interfaces: FSCollection<T> based on FSIterator and AnnotationCollection<T>
based on FSIndex/AnnotationIndex.
> This mainly exposes more details of UIMA AnnotationIndex via CasUtil. JCasUtil's select
method doesn't make a different between FSes that inherit from AnnotationFS or not. Here,
the only benefit is getting access to an FSIterator.

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