How to use

fromLongField

method

in

org.apache.lucene.search.LongValuesSource

/**
 * Creates a LongValuesSource that wraps an int-valued field
 */
public static LongValuesSource fromIntField(String field) {
 return fromLongField(field);
}

/**
 * Creates a LongValuesSource that wraps an int-valued field
 */
public static LongValuesSource fromIntField(String field) {
 return fromLongField(field);
}

/** Create {@code LongRangeFacetCounts}, using {@link
 *  LongValuesSource} from the specified field. */
public LongRangeFacetCounts(String field, FacetsCollector hits, LongRange... ranges) throws IOException {
 this(field, LongValuesSource.fromLongField(field), hits, ranges);
}