Package org.elasticsearch.join.aggregations

Class ParentJoinAggregator.SparseCollectionStrategy

java.lang.Object
org.elasticsearch.join.aggregations.ParentJoinAggregator.SparseCollectionStrategy
All Implemented Interfaces:
java.io.Closeable, java.lang.AutoCloseable, Releasable, ParentJoinAggregator.CollectionStrategy
Enclosing class:
ParentJoinAggregator
protected class ParentJoinAggregator.SparseCollectionStrategy
extends java.lang.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