private static DocComparatorSource getNonFacetComparatorSource(SortField sf) {
String fieldname = sf.getField();
Locale locale = sf.getLocale();
if (locale != null) {
return new DocComparatorSource.StringLocaleComparatorSource(fieldname, locale);
}
int type = sf.getType();
switch (type) {
case SortField.INT:
return new DocComparatorSource.IntDocComparatorSource(fieldname);
case SortField.FLOAT:
return new DocComparatorSource.FloatDocComparatorSource(fieldname);
case SortField.LONG:
return new DocComparatorSource.LongDocComparatorSource(fieldname);
case SortField.DOUBLE:
return new DocComparatorSource.LongDocComparatorSource(fieldname);
case SortField.BYTE:
return new DocComparatorSource.ByteDocComparatorSource(fieldname);
case SortField.SHORT:
return new DocComparatorSource.ShortDocComparatorSource(fieldname);
case SortField.CUSTOM:
throw new IllegalArgumentException("lucene custom sort no longer supported: " + fieldname);
case SortField.STRING:
return new DocComparatorSource.StringOrdComparatorSource(fieldname);
case SortField.STRING_VAL:
return new DocComparatorSource.StringValComparatorSource(fieldname);
default:
throw new IllegalStateException("Illegal sort type: " + type + ", for field: " + fieldname);
}
}
