/** Create a new link annotation. Already adds the chain to the CAS. */
private AnnotationFS newLink(
JCas aJCas, int aBegin, int aEnd, AnnotationFeature aFeature, String aLabelValue) {
String baseName = StringUtils.substringBeforeLast(getAnnotationTypeName(), CHAIN) + LINK;
Type linkType = CasUtil.getType(aJCas.getCas(), baseName);
AnnotationFS newLink = aJCas.getCas().createAnnotation(linkType, aBegin, aEnd);
BratAjaxCasUtil.setFeature(newLink, aFeature, aLabelValue);
aJCas.getCas().addFsToIndexes(newLink);
return newLink;
}
/**
* Generate one or multiple TokenSequences from the given document. If {@code
* PARAM_MODEL_ENTITY_TYPE} is set, an instance is generated from each segment annotated with the
* given type. Otherwise, one instance is generated from the whole document.
*
* @param aJCas
* @return
* @throws FeaturePathException
*/
protected Collection<TokenSequence> generateTokenSequences(JCas aJCas)
throws FeaturePathException {
Collection<TokenSequence> tokenSequences;
CAS cas = aJCas.getCas();
Type tokenType = CasUtil.getType(cas, typeName);
if (modelEntityType == null) {
/* generate only one tokenSequence */
tokenSequences = new ArrayList<>(1);
tokenSequences.add(generateTokenSequence(aJCas, tokenType, useLemma, minTokenLength));
} else {
/* generate tokenSequences for every segment (e.g. sentence) */
tokenSequences = new ArrayList<>();
for (AnnotationFS segment : CasUtil.select(cas, CasUtil.getType(cas, modelEntityType))) {
tokenSequences.add(generateTokenSequence(segment, tokenType));
}
}
return tokenSequences;
}
@Override
public Type getAnnotationType(CAS cas) {
return CasUtil.getType(cas, annotationTypeName);
}