Package org.apache.lucene.search

Class FieldComparatorSource

  • public abstract class FieldComparatorSource
extends java.lang.Object
    Provides a FieldComparator for custom field sorting.

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      abstract FieldComparator<?> newComparator​(java.lang.String fieldname, int numHits, int sortPos, boolean reversed)
      Creates a comparator for the field in the given index.

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • FieldComparatorSource

        public FieldComparatorSource()

    • Method Detail

      • newComparator

        public abstract FieldComparator<?> newComparator​(java.lang.String fieldname,
                                                 int numHits,
                                                 int sortPos,
                                                 boolean reversed)
                                          throws java.io.IOException
        Creates a comparator for the field in the given index.
        Parameters:
        fieldname - Name of the field to create comparator for.
        Returns:
        FieldComparator.
        Throws:
        java.io.IOException - If an error occurs reading the index.