/**
* Give category for specific value. If N is not included in any known category gives
* "OutOfBounds(N)".
*
* @param n The value to get category for.
* @return Matchine category for N.
*/
public String categoryFor(Number n) {
for (NumberCategory category : categories) {
String value = category.valueFor(n);
if (value != null) return value;
}
return "OutOfBounds(" + n + ")";
}
/**
* Check if a new category is valid in itself and relation to existing ones.
*
* <p>TODO: try closed categories vs open. Also if null is ever returned?
*
* @param newCat
*/
private void check(NumberCategory newCat) {
if (newCat.min.doubleValue() > newCat.max.doubleValue()) {
throw new IllegalArgumentException("Category min cannot be larger than max:" + newCat);
}
for (NumberCategory oldCat : categories) {
if (newCat.valueFor(newCat.min) != null && oldCat.valueFor(newCat.min) != null) {
throw new IllegalArgumentException("Overlapping categories: " + newCat + " and " + oldCat);
}
if (newCat.valueFor(newCat.max) != null && oldCat.valueFor(newCat.max) != null) {
throw new IllegalArgumentException("Overlapping categories: " + newCat + " and " + oldCat);
}
}
}
