public abstract class FieldComparatorSource extends Object implements Serializable
FieldComparator
for custom field sorting.Constructor and Description |
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FieldComparatorSource() |
Modifier and Type | Method and Description |
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abstract FieldComparator<?> |
newComparator(String fieldname,
int numHits,
int sortPos,
boolean reversed)
Creates a comparator for the field in the given index.
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public abstract FieldComparator<?> newComparator(String fieldname, int numHits, int sortPos, boolean reversed) throws IOException
fieldname
- Name of the field to create comparator for.IOException
- If an error occurs reading the index.