[jira] [Updated] (UIMA-3234) Differentiate no Annotation and multiple Annotation case in CasUtil.selectSingle(CAS cas, Type type)

["Richard Eckart de Castilho (JIRA)" <de...@uima.apache.org>]

     [ https://issues.apache.org/jira/browse/UIMA-3234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Richard Eckart de Castilho updated UIMA-3234:
---------------------------------------------
    Fix Version/s: 2.2.0uimaFIT

> Differentiate no Annotation and multiple Annotation case in CasUtil.selectSingle(CAS cas, Type type)
> ----------------------------------------------------------------------------------------------------
>
>                 Key: UIMA-3234
>                 URL: https://issues.apache.org/jira/browse/UIMA-3234
>             Project: UIMA
>          Issue Type: Wish
>          Components: uimaFIT
>    Affects Versions: 2.0.0uimaFIT
>            Reporter: Artem
>            Priority: Trivial
>             Fix For: 2.2.0uimaFIT
>
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> Currently there is one exception type in CasUtil.selectSingle(CAS cas, Type type) method for the case if CAS does not contain an Annotation or CAS contains more than one Annotation. However, I sometimes need to differentiate between these two cases in exception handling. A new method like, selectSingleOrNull(...) could solve this problem: return null if no Annotation, RuntimeException if multiple Annotations.
> Currently to handle this problem I just use CasUtil.select(...) and check for the size of the returned collection.



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