gate.creole.annic.apache.lucene.search

Interface SortComparatorSource

All Superinterfaces:

Serializable

All Known Implementing Classes:

SortComparator

public interface SortComparatorSource
extends Serializable

Expert: returns a comparator for sorting ScoreDocs.

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

Since:

1.4

Version:

$Id: SortComparatorSource.java 529 2004-10-05 11:55:26Z niraj $

Author:

Tim Jones

Method Summary

Modifier and Type	Method and Description
ScoreDocComparator	newComparator(IndexReader reader, String fieldname) Creates a comparator for the field in the given index.

Method Detail

newComparator

ScoreDocComparator newComparator(IndexReader reader,
                                 String fieldname)
                          throws IOException

Creates a comparator for the field in the given index.

Parameters:

reader - Index to create comparator for.

fieldname - Field to create comparator for.

Returns:

Comparator of ScoreDoc objects.

Throws:

IOException - If an error occurs reading the index.