org.apache.jackrabbit.core.query.lucene

Class LuceneQueryHits

java.lang.Object

org.apache.jackrabbit.core.query.lucene.LuceneQueryHits

All Implemented Interfaces:

CloseableHits, QueryHits

public class LuceneQueryHits
extends Object
implements QueryHits

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
LuceneQueryHits(org.apache.lucene.index.IndexReader reader, org.apache.lucene.search.IndexSearcher searcher, org.apache.lucene.search.Query query)

Method Summary

Modifier and Type	Method and Description
void	close() Releases resources held by this hits instance.
int	getSize()
ScoreNode	nextScoreNode() Returns the next score node in this QueryHits or null if there are no more score nodes.
void	skip(int n) Skips a n score nodes.

Methods inherited from class java.lang.Object

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

Constructor Detail

LuceneQueryHits

public LuceneQueryHits(org.apache.lucene.index.IndexReader reader,
                       org.apache.lucene.search.IndexSearcher searcher,
                       org.apache.lucene.search.Query query)
                throws IOException

Throws:

IOException

Method Detail

nextScoreNode

public ScoreNode nextScoreNode()
                        throws IOException

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

Specified by:

nextScoreNode in interface QueryHits

Returns:

the next score node in this QueryHits.

Throws:

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

close

public void close()
           throws IOException

Releases resources held by this hits instance.

Specified by:

close in interface CloseableHits

Throws:

IOException - if an error occurs while releasing resources.

getSize

public int getSize()

Specified by:

getSize in interface CloseableHits

Returns:

always -1.

skip

public void skip(int n)
          throws IOException

Skips a n score nodes.

Specified by:

skip in interface CloseableHits

Parameters:

n - the number of score nodes to skip.

Throws:

IOException - if an error occurs while skipping.