Richard Eckart de Castilho commented on UIMA-5115:

I assume you mean selectCovering because there is no coveredBy in uimaFIT?

Return all Sentence annotations (including subtypes of Sentence) that contain 
the specified Token annotation.

Token token = ...;
List<Sentence> sentences = selectCovering(Sentence.class, token)

In case you mean selectCovered: return all Token annotations (including 
subtypes of Token) that are contained within the boundaries of the specified 

Sentence sentence = ...;
List<Token> tokens = selectCovered(Token.class, sentence)

I hope that the statements above are correct with respect to the 
implementation. They are at least how it should work. selectCovered is using 
cas.getAnnotationIndex(type).iterator() which afaik returns subtypes as well. 
selectCovering is going over the full annotation index and then uses 
ts.subsumes() to check if an annotation should be included - so subtypes should 
also be included here.

> uv3 select() api for iterators and streams over CAS contents
> ------------------------------------------------------------
>                 Key: UIMA-5115
>                 URL: https://issues.apache.org/jira/browse/UIMA-5115
>             Project: UIMA
>          Issue Type: New Feature
>          Components: Core Java Framework
>            Reporter: Marshall Schor
>            Priority: Minor
>             Fix For: 3.0.0SDKexp
> Design and implement a select() API based on uimaFIT's select, integrated 
> well with Java 8 concepts.  Initial discussions in UIMA-1524.  Wiki with 
> diagram: https://cwiki.apache.org/confluence/display/UIMA/UV3+Iterator+support

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