Package org.apache.lucene.search.join

Class QueryBitSetProducer

java.lang.Object

org.apache.lucene.search.join.QueryBitSetProducer

All Implemented Interfaces:

BitSetProducer

public class QueryBitSetProducer
extends Object
implements BitSetProducer

A BitSetProducer that wraps a query and caches matching BitSets per segment.

Constructor Summary

Constructors

Constructor	Description
QueryBitSetProducer(Query query)	Wraps another query's result and caches it into bitsets.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
BitSet	getBitSet(LeafReaderContext context)	Produce a BitSet matching the expected documents on the given segment.
Query	getQuery()	Gets the contained query.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

QueryBitSetProducer

public QueryBitSetProducer(Query query)

Wraps another query's result and caches it into bitsets.

Parameters:

query - Query to cache results of

Method Details

getQuery

public Query getQuery()

Gets the contained query.

Returns:

the contained query.

getBitSet

public BitSet getBitSet(LeafReaderContext context)
                 throws IOException

Description copied from interface: BitSetProducer

Produce a BitSet matching the expected documents on the given segment. This may return null if no documents match.

Specified by:

getBitSet in interface BitSetProducer

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object