public Set<Feature> extract(JCas aView, TextClassificationUnit unit)
throws TextClassificationException {
super.extract(aView, unit);
Integer idx = unitBegin2Idx.get(unit.getBegin());
String featureVal = nextToken(idx);
return new Feature(FEATURE_NAME, featureVal).asSet();
}
public List<Feature> extract(JCas aJcas, TextClassificationUnit aClassificationUnit)
throws TextClassificationException {
init();
String unit = aClassificationUnit.getCoveredText();
unit = substituteHashtags(unit);
unit = substituteUrl(unit);
unit = substituteAtMentions(unit);
List<Feature> features = createFeatures(unit);
return features;
}