Package org.elasticsearch.join.aggregations

Class ParentJoinAggregator.SparseCollectionStrategy

java.lang.Object

org.elasticsearch.join.aggregations.ParentJoinAggregator.SparseCollectionStrategy

All Implemented Interfaces:

Closeable, AutoCloseable, org.elasticsearch.core.Releasable, ParentJoinAggregator.CollectionStrategy

Enclosing class:

ParentJoinAggregator

protected class ParentJoinAggregator.SparseCollectionStrategy
extends Object
implements ParentJoinAggregator.CollectionStrategy

Uses a hashed representation of whether of the join field in the docs that match ParentJoinAggregator#inFilter. Its memory usage is proportional to the number of matching global ordinals so it is used when only some docs might match.

Constructor Summary

Constructors

Constructor	Description
SparseCollectionStrategy(BigArrays bigArrays, CardinalityUpperBound cardinality)

Method Summary

Modifier and Type	Method	Description
void	add(long owningBucketOrd, int globalOrdinal)
void	close()
boolean	exists(long owningBucketOrd, int globalOrdinal)

Methods inherited from class java.lang.Object

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

Constructor Details

SparseCollectionStrategy

public SparseCollectionStrategy(BigArrays bigArrays,
 CardinalityUpperBound cardinality)

Method Details

add

public void add(long owningBucketOrd,
 int globalOrdinal)

Specified by:

add in interface ParentJoinAggregator.CollectionStrategy

exists

public boolean exists(long owningBucketOrd,
 int globalOrdinal)

Specified by:

exists in interface ParentJoinAggregator.CollectionStrategy

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface org.elasticsearch.core.Releasable