SimpleFieldComparator

Compare hit at slot1 with hit at slot2.

Compare the bottom of the queue with this doc. This will only invoked after setBottom has been called. This should return the same result as FieldComparator.compare} as if bottom were slot1 and the new document were slot 2.

Compare the top value with this doc. This will only invoked after setTopValue has been called. This should return the same result as FieldComparator.compare} as if topValue were slot1 and the new document were slot 2. This is only called for searches that use searchAfter (deep paging).

Returns a negative integer if first is less than second, 0 if they are equal and a positive integer otherwise. Default impl to assume the type implements Comparable and invoke .compareTo; be sure to override this method if your FieldComparator's type isn't a Comparable or if your values may sometimes be null

Returns a competitive iterator

This method is called when a new hit is competitive. You should copy any state associated with this document that will be required for future comparisons, into the specified slot.

Informs the comparator that the skipping of documents should be disabled. This function is called by TopFieldCollector in cases when the skipping functionality should not be applied or not necessary. An example could be when search sort is a part of the index sort, and can be already efficiently handled by TopFieldCollector, and doing extra work for skipping in the comparator is redundant.

Get a per-segment LeafFieldComparator to collect the given [ ]. All docIDs supplied to this [ ] are relative to the current reader (you must add docBase if you need to map it to a top-level docID).

Set the bottom slot, ie the "weakest" (sorted last) entry in the queue. When .compareBottom is called, you should compare against this slot. This will always be called before .compareBottom.

Informs this leaf comparator that hits threshold is reached. This method is called from a collector when hits threshold is reached.

Sets the Scorer to use in case a document's score is needed.

Informs the comparator that sort is done on this single field. This is useful to enable some optimizations for skipping non-competitive documents.

Record the top value, for future calls to LeafFieldComparator.compareTop. This is only called for searches that use searchAfter (deep paging), and is called before any calls to .getLeafComparator.

Return the actual value in the slot.