org.modeshape.jcr.query.lucene.basic

Class ExistsTupleCollector

java.lang.Object

org.apache.lucene.search.Collector

org.modeshape.jcr.query.lucene.LuceneQueryEngine.TupleCollector

org.modeshape.jcr.query.lucene.basic.ExistsTupleCollector

public class ExistsTupleCollector
extends LuceneQueryEngine.TupleCollector

A special TupleCollector implementation that will terminate when it comes across a second document with a non-zero score.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ExistsTupleCollector.CompletedException Thrown when elapsed search time exceeds allowed search time.

Constructor Summary

Constructors

Constructor and Description
ExistsTupleCollector(LuceneQueryEngine.TupleCollector collector) Create a ExistsTupleCollector wrapper over another Collector, where the wrapper stops after the first non-zero scored document.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	acceptsDocsOutOfOrder()
float	doCollect(int doc)
List<Object[]>	getTuples() Get the tuples.
void	setNextReader(org.apache.lucene.index.IndexReader reader, int docBase)
void	setScorer(org.apache.lucene.search.Scorer scorer)

Methods inherited from class org.modeshape.jcr.query.lucene.LuceneQueryEngine.TupleCollector

collect

Methods inherited from class java.lang.Object

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

Constructor Detail

ExistsTupleCollector

public ExistsTupleCollector(LuceneQueryEngine.TupleCollector collector)

Create a ExistsTupleCollector wrapper over another Collector, where the wrapper stops after the first non-zero scored document.

Parameters:

collector - the wrapped Collector

Method Detail

doCollect

public float doCollect(int doc)
                throws IOException

Specified by:

doCollect in class LuceneQueryEngine.TupleCollector

Throws:

IOException

getTuples

public List<Object[]> getTuples()

Description copied from class: LuceneQueryEngine.TupleCollector

Get the tuples.

Specified by:

getTuples in class LuceneQueryEngine.TupleCollector

Returns:

the tuples; never null

setScorer

public void setScorer(org.apache.lucene.search.Scorer scorer)
               throws IOException

Specified by:

setScorer in class org.apache.lucene.search.Collector

Throws:

IOException

setNextReader

public void setNextReader(org.apache.lucene.index.IndexReader reader,
                 int docBase)
                   throws IOException

Specified by:

setNextReader in class org.apache.lucene.search.Collector

Throws:

IOException

acceptsDocsOutOfOrder

public boolean acceptsDocsOutOfOrder()

Specified by:

acceptsDocsOutOfOrder in class org.apache.lucene.search.Collector