private boolean evaluate(T value) {
// Single values overrule includes and excludes.
for (Enum<T> e : _enumerations) if (e.evaluate(value)) return true;
// Excludes overrule includes.
for (Enum<T> e : _excludeRanges) if (e.evaluate(value)) return false;
// Includes are overruled by excludes (and single values).
for (Enum<T> e : _includeRanges) if (e.evaluate(value)) return true;
return false;
}
