org.apache.jackrabbit.core.query.lucene

Class SortedLuceneQueryHits

java.lang.Object

org.apache.jackrabbit.core.query.lucene.AbstractQueryHits

org.apache.jackrabbit.core.query.lucene.SortedLuceneQueryHits

All Implemented Interfaces:

CloseableHits, QueryHits

public final class SortedLuceneQueryHits
extends AbstractQueryHits

Wraps a lucene query result and adds a close method that allows to release resources after a query has been executed and the results have been read completely.

Constructor Summary

Constructors

Constructor and Description
SortedLuceneQueryHits(org.apache.lucene.search.IndexSearcher searcher, org.apache.lucene.search.Query query, org.apache.lucene.search.Sort sort, long resultFetchHint) Creates a new QueryHits instance wrapping hits.

Method Summary

Modifier and Type	Method and Description
int	getSize() This default implementation returns -1.
ScoreNode	nextScoreNode() Returns the next score node in this QueryHits or null if there are no more score nodes.
void	skip(int n) Skips n hits.

Methods inherited from class org.apache.jackrabbit.core.query.lucene.AbstractQueryHits

close

Methods inherited from class java.lang.Object

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

Constructor Detail

SortedLuceneQueryHits

public SortedLuceneQueryHits(org.apache.lucene.search.IndexSearcher searcher,
                             org.apache.lucene.search.Query query,
                             org.apache.lucene.search.Sort sort,
                             long resultFetchHint)
                      throws IOException

Creates a new QueryHits instance wrapping hits.

Parameters:

searcher - the index searcher.

query - the query to execute.

sort - the sort criteria.

resultFetchHint - a hint on how many results should be pre-fetched from the lucene index.

Throws:

IOException - if an error occurs while reading from the index.

Method Detail

getSize

public int getSize()

This default implementation returns -1.

Specified by:

getSize in interface CloseableHits

Overrides:

getSize in class AbstractQueryHits

Returns:

-1.

nextScoreNode

public ScoreNode nextScoreNode()
                        throws IOException

Returns the next score node in this QueryHits or null if there are no more score nodes.

Returns:

the next score node in this QueryHits.

Throws:

IOException - if an error occurs while reading from the index.

skip

public void skip(int n)
          throws IOException

Skips n hits.

Specified by:

skip in interface CloseableHits

Overrides:

skip in class AbstractQueryHits

Parameters:

n - the number of hits to skip.

Throws:

IOException - if an error occurs while skipping.