Yes, That's what I did with the AnnotationWrapper class I wrote (see my other messages on that same thread).
It's a bit hacky, so I was hoping that there was a more UIMA native solution to this problem. On Mon, Nov 18, 2019 at 12:33 PM Olga Patterson <olga.patter...@utah.edu> wrote: > If you just want an easier way to manipulate annotations, you can have a > utility class that would have all methods separate from the annotation types > Example code from > http://decipher.chpc.utah.edu/nexus/index.html#nexus-search;classname~Annotationlibrarian > <dependency> > <groupId>gov.va.vinci</groupId> > <artifactId>leo-annotation-librarian</artifactId> > <version>2018.01.0</version> > </dependency> > > > > On Nov 15, 2019, at 10:58 AM, Marshall Schor <m...@schor.com> wrote: > > Even though the JCas classes can be generated from the XML file, you are > allowed > to add additional things to those source files, including > > - additional fields > > - additional methods > > See > > http://uima.apache.org/d/uimaj-2.10.4/references.html#ugr.ref.jcas.augmenting_generated_code > > -Marshall > > On 11/15/2019 9:50 AM, Alain Désilets wrote: > On Thu, Nov 14, 2019 at 4:51 PM Richard Eckart de Castilho <r...@apache.org > > > wrote: > > Sure. You generate the JCas classes once and then you add the methods you > want > to them. Cf. e.g. > > > > https://github.com/dkpro/dkpro-core/blob/8043e10bf10a61fe47e21946ea609bda9f2278a0/dkpro-core-api-metadata-asl/src/main/java/de/tudarmstadt/ukp/dkpro/core/api/metadata/type/DocumentMetaData.java#L290-L447 > > I know how to create a subclass of Annotation, RelationAnnotation in my > case. The problem is that if I try to use this subclass in an Annotator, > UIMA complains that RelationAnnotation is not in the UIMA type system, and > it lists the available types. This list is essentially the list of types > defined in some UIMA xml file. This tells me that only those annotation > classes defined in the xml file can be used in an Annotator. Or at least, > that I am missing a step for registering my RelationAnnotation class with > the UIMA type system. > > On the other hand, if I define the RelationAnnotation in the xml file, I > can use it in an Annotator but then I can't figure out how to add methods > to it, since the Java source for that class is generated automatically (by > some UIMA maven plugin I presume). > > But the question is: why do you want to add new methods? (and is it really > a good idea?) > > Essentially, I want to add methods for "derived attributes", i.e. > attributes whose values are computed from primitive attributes defined in > the xml file. > > I guess I could make those attributes be primitve (i.e. defined in the xml > file), but then, any annotator that creates a RelationAnnotation would have > to make sure to set those other attributes correctly. I would much rather > have the RelationAnnotation class compute those derived attributes itself, > as it garantees that they will always be computed the same way. > > Alain > >
