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.