org.apache.solr.search

Class DelegatingCollector

java.lang.Object

org.apache.lucene.search.SimpleCollector

org.apache.solr.search.DelegatingCollector

All Implemented Interfaces:

org.apache.lucene.search.Collector, org.apache.lucene.search.LeafCollector

public class DelegatingCollector
extends org.apache.lucene.search.SimpleCollector

A simple delegating collector where one can set the delegate after creation

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.lucene.index.LeafReaderContext	context
protected org.apache.lucene.search.Collector	delegate
protected int	docBase
protected org.apache.lucene.search.LeafCollector	leafDelegate
protected org.apache.lucene.search.Scorer	scorer
static int	setLastDelegateCount

Constructor Summary

Constructors

Constructor and Description
DelegatingCollector()

Method Summary

Modifier and Type	Method and Description
void	collect(int doc)
protected void	doSetNextReader(org.apache.lucene.index.LeafReaderContext context)
void	finish()
org.apache.lucene.search.Collector	getDelegate()
boolean	needsScores()
void	setDelegate(org.apache.lucene.search.Collector delegate)
void	setLastDelegate(org.apache.lucene.search.Collector delegate) Sets the last delegate in a chain of DelegatingCollectors
void	setScorer(org.apache.lucene.search.Scorer scorer)

Methods inherited from class org.apache.lucene.search.SimpleCollector

getLeafCollector

Methods inherited from class java.lang.Object

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

Field Detail

setLastDelegateCount

public static int setLastDelegateCount

delegate

protected org.apache.lucene.search.Collector delegate

leafDelegate

protected org.apache.lucene.search.LeafCollector leafDelegate

scorer

protected org.apache.lucene.search.Scorer scorer

context

protected org.apache.lucene.index.LeafReaderContext context

docBase

protected int docBase

Constructor Detail

DelegatingCollector

public DelegatingCollector()

Method Detail

getDelegate

public org.apache.lucene.search.Collector getDelegate()

setDelegate

public void setDelegate(org.apache.lucene.search.Collector delegate)

setLastDelegate

public void setLastDelegate(org.apache.lucene.search.Collector delegate)

Sets the last delegate in a chain of DelegatingCollectors

setScorer

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

Specified by:

setScorer in interface org.apache.lucene.search.LeafCollector

Overrides:

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

Throws:

IOException

needsScores

public boolean needsScores()

collect

public void collect(int doc)
             throws IOException

Specified by:

collect in interface org.apache.lucene.search.LeafCollector

Specified by:

collect in class org.apache.lucene.search.SimpleCollector

Throws:

IOException

doSetNextReader

protected void doSetNextReader(org.apache.lucene.index.LeafReaderContext context)
                        throws IOException

Overrides:

doSetNextReader in class org.apache.lucene.search.SimpleCollector

Throws:

IOException

finish

public void finish()
            throws IOException

Throws:

IOException