@Override
public int hashCode() {
int result = super.hashCode();
result = 31 * result + joinField.hashCode();
result = 31 * result + toQuery.hashCode();
result = 31 * result + fromQuery.hashCode();
result = 31 * result + indexReader.hashCode();
return result;
}
/** @see LuceneIndexReader#hashCode() */
public int hashCode() {
return indexReader.hashCode();
}