Creates a sort, possibly in reverse, by terms in the given field where the type
of term value is det
Returns the name of the field. Could return null if the sort is by SCORE or DOC.
Returns whether the sort should be reversed.
Returns the type of contents in the field.
Set the value to use for documents that don't have a value.
Returns true if o is equal to this. If a FieldComparatorSource was provided, it
must properly implem
Returns the FieldComparator to use for sorting.
Returns the FieldComparatorSource used for custom sorting
Return the value to use for documents that don't have a value. A value of null
indicates that defaul
Returns a hash code for this SortField instance. If a FieldComparatorSource was
provided, it must pr