public boolean removeWeightedDescriptors(WeightedDescriptor elem) {
boolean result = weightedDescriptors.remove(elem);
pcs.firePropertyChange("weightedDescriptors", oldList, this.weightedDescriptors);
return result;
}
public boolean removeScore(Object elem) {
boolean result = score.remove(elem);
pcs.firePropertyChange("score", oldList, this.score);
return result;
}