QueryBitSetProducer (Lucene 9.0.0 join API)

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

All Methods Instance Methods Concrete Methods
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 Detail
  - QueryBitSetProducer
```
public QueryBitSetProducer(Query query)
```
    Wraps another query's result and caches it into bitsets.
    
    Parameters:
    
    query - Query to cache results of
- Method Detail
  - 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