/**
* Gets the classifier specification string, which contains the class name of the classifier and
* any options to the classifier
*
* @param index the index of the classifier string to retrieve, starting from 0.
* @return the classifier string, or the empty string if no classifier has been assigned (or the
* index given is out of range).
*/
protected String getClassifierSpec(int index) {
if (m_Classifiers.length < index) {
return "";
}
Classifier c = getClassifier(index);
if (c instanceof OptionHandler) {
return c.getClass().getName() + " " + Utils.joinOptions(((OptionHandler) c).getOptions());
}
return c.getClass().getName();
}
