[jira] [Assigned] (UIMA-5846) Order in SelectFS

["Marshall Schor (JIRA)" <de...@uima.apache.org>]

     [ https://issues.apache.org/jira/browse/UIMA-5846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marshall Schor reassigned UIMA-5846:
------------------------------------

    Assignee: Marshall Schor

> Order in SelectFS
> -----------------
>
>                 Key: UIMA-5846
>                 URL: https://issues.apache.org/jira/browse/UIMA-5846
>             Project: UIMA
>          Issue Type: Question
>          Components: Core Java Framework
>    Affects Versions: 3.0.0SDK
>            Reporter: Richard Eckart de Castilho
>            Assignee: Marshall Schor
>            Priority: Minor
>             Fix For: 3.0.1SDK
>
>
> I'm not sure about the way that order in SelectFS is handled. Naively, I would expect that all operations return annotations in index order or in reverse index order if `backwards` was called. But for example `jcas.select(Sentence.class).between(t1, t2).asList()` returns in normal order if `t1 < t2` and in backwards order if `t2 < t1`. While I this seems to be a nice touch from the engineering point of view, from a naive user's perspective, it seems somewhat surprising to me. Mind that the behavior is documented - still I wonder it if is a good idea. If I wanted to have the annotations in reverse order, I'd probably try calling `jcas.select(Sentence.class).backwards().between(t1, t2).asList()` or maybe `jcas.select(Sentence.class).between(t1, t2).backwards().asList()`.



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