org.apache.lucene.search
Interface SortComparatorSource

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

SortComparator

public interface SortComparatorSource
extends java.io.Serializable

Expert: returns a comparator for sorting ScoreDocs.

Created: Apr 21, 2004 3:49:28 PM

Since:

1.4

Method Summary

ScoreDocComparator

newComparator(IndexReader reader, java.lang.String fieldname) Creates a comparator for the field in the given index.

Method Detail

newComparator

ScoreDocComparator newComparator(IndexReader reader,
                                 java.lang.String fieldname)
                                 throws java.io.IOException

Creates a comparator for the field in the given index.

Parameters:

reader - Index to create comparator for.

fieldname - Name of the field to create comparator for.

Returns:

Comparator of ScoreDoc objects.

Throws:

java.io.IOException - If an error occurs reading the index.