Baptiste Gaillard wrote:
> Hi,
>
> I'm currently trying to create a UIMA Type System Descriptor to perform some
> Unit Tests.
> I'm using the UIMA Eclipse plugins. To do my tests I need to create a new
> Type for each (which inherit from each) UIMA CAS Type ('uima.cas.xxx') with
> the Eclipse Type System Descriptor Editor. Everything seems to be ok except
> for the 'uima.cas.ListBase' which generate Java classes similar to those:
>
> public class ListBase extends uima.cas.ListBase {
> ...
> }
>
> public class ListBase_Type extends uima.cas.ListBase_Type {
> ...
> }
>
> Ok, this should be OK but 'uima.cas.ListBase' and 'uima.cas.ListBase_Type'
> are not resolved/found because the 'uima.cas' package isn't present in the
> uimaj-core.jar archive.
> I'm not sure but it seems to be a bug, I see 3 hypothesis:
> ListBase has been deleted from UIMA but has not been remove from the Eclipse
> Descriptor editor ?
> The Eclipse Descriptor Editor has a bug and should generate a class which
> extends something like 'org.apache.uima.jcas.cas.ListBase' and
> 'org.apache.uima.jcas.cas.ListBase_Type' instead of 'uima.cas.ListBase' and
> 'uima.cas.ListBase_Type' ?
> I'm missing something else...
>
>
Here's what's going on - the ListBase type is an internal use only type
- it's not part of the documented set of types. It only serves to
collect all the various list types together.
The Component Descriptor Editor, when presenting possible "supertypes"
to base a new type on, asks UIMA for its type system, and doesn't
distinguish internal use only types - so these appear in the pick list.
The work-around is to not pick this internal use type for this purpose :-) .
HTH. -Marshall
> What do you think about that ?
>
> Thanks,
>
> Baptiste
>
>
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