/** Create a new chain head feature structure. Already adds the chain to the CAS. */
private FeatureStructure newChain(JCas aJCas, AnnotationFS aFirstLink) {
Type chainType = getAnnotationType(aJCas.getCas());
FeatureStructure newChain = aJCas.getCas().createFS(chainType);
newChain.setFeatureValue(chainType.getFeatureByBaseName(chainFirstFeatureName), aFirstLink);
aJCas.addFsToIndexes(newChain);
return newChain;
}
/** Set the first link of a chain in the chain head feature structure. */
private void setFirstLink(FeatureStructure aChain, AnnotationFS aLink) {
aChain.setFeatureValue(aChain.getType().getFeatureByBaseName(chainFirstFeatureName), aLink);
}