Package org.elasticsearch.join.aggregations

Class ChildrenToParentAggregator

java.lang.Object
org.elasticsearch.search.aggregations.BucketCollector
org.elasticsearch.search.aggregations.Aggregator
org.elasticsearch.search.aggregations.AggregatorBase
org.elasticsearch.search.aggregations.bucket.BucketsAggregator
org.elasticsearch.join.aggregations.ParentJoinAggregator
org.elasticsearch.join.aggregations.ChildrenToParentAggregator
All Implemented Interfaces:
java.io.Closeable, java.lang.AutoCloseable, org.apache.lucene.search.Collector, org.elasticsearch.common.lease.Releasable, org.elasticsearch.search.aggregations.bucket.SingleBucketAggregator
public class ChildrenToParentAggregator
extends ParentJoinAggregator
A BucketsAggregator which resolves to the matching parent documents.

  • Nested Class Summary

    Nested classes/interfaces inherited from class org.elasticsearch.join.aggregations.ParentJoinAggregator

    ParentJoinAggregator.CollectionStrategy, ParentJoinAggregator.DenseCollectionStrategy, ParentJoinAggregator.SparseCollectionStrategy

    Nested classes/interfaces inherited from class org.elasticsearch.search.aggregations.bucket.BucketsAggregator

    org.elasticsearch.search.aggregations.bucket.BucketsAggregator.BucketBuilderForFixedCount<B extends java.lang.Object>, org.elasticsearch.search.aggregations.bucket.BucketsAggregator.BucketBuilderForVariable<B extends java.lang.Object>, org.elasticsearch.search.aggregations.bucket.BucketsAggregator.ResultBuilderForVariable<B extends java.lang.Object>, org.elasticsearch.search.aggregations.bucket.BucketsAggregator.SingleBucketResultBuilder

    Nested classes/interfaces inherited from class org.elasticsearch.search.aggregations.Aggregator

    org.elasticsearch.search.aggregations.Aggregator.BucketComparator, org.elasticsearch.search.aggregations.Aggregator.Parser, org.elasticsearch.search.aggregations.Aggregator.SubAggCollectionMode

  • Field Summary

    Fields inherited from class org.elasticsearch.search.aggregations.bucket.BucketsAggregator

    docCountProvider

    Fields inherited from class org.elasticsearch.search.aggregations.AggregatorBase

    collectableSubAggregators, DEFAULT_WEIGHT, name, parent, subAggregators

    Fields inherited from class org.elasticsearch.search.aggregations.BucketCollector

    NO_OP_COLLECTOR

  • Constructor Summary

    Constructors
    Constructor Description
    ChildrenToParentAggregator​(java.lang.String name, org.elasticsearch.search.aggregations.AggregatorFactories factories, org.elasticsearch.search.aggregations.support.AggregationContext context, org.elasticsearch.search.aggregations.Aggregator parent, org.apache.lucene.search.Query childFilter, org.apache.lucene.search.Query parentFilter, org.elasticsearch.search.aggregations.support.ValuesSource.Bytes.WithOrdinals valuesSource, long maxOrd, org.elasticsearch.search.aggregations.CardinalityUpperBound cardinality, java.util.Map<java.lang.String,​java.lang.Object> metadata)  

  • Method Summary

    Modifier and Type Method Description
    org.elasticsearch.search.aggregations.InternalAggregation[] buildAggregations​(long[] owningBucketOrds)  
    org.elasticsearch.search.aggregations.InternalAggregation buildEmptyAggregation()  

    Methods inherited from class org.elasticsearch.join.aggregations.ParentJoinAggregator

    doClose, getLeafCollector, postCollection, prepareSubAggs

    Methods inherited from class org.elasticsearch.search.aggregations.bucket.BucketsAggregator

    bucketComparator, bucketDocCount, buildAggregationsForFixedBucketCount, buildAggregationsForSingleBucket, buildAggregationsForVariableBuckets, buildSubAggsForAllBuckets, buildSubAggsForBuckets, buildSubAggsForBuckets, close, collectBucket, collectExistingBucket, descendsFromGlobalAggregator, getDocCounts, grow, incrementBucketDocCount, maxBucketOrd, preGetSubLeafCollectors, resolveSortPath, rewriteBuckets

    Methods inherited from class org.elasticsearch.search.aggregations.AggregatorBase

    addRequestCircuitBreakerBytes, bigArrays, buildEmptySubAggregations, doPostCollection, doPreCollection, getLeafCollector, metadata, name, parent, pointReaderIfAvailable, preCollection, scoreMode, searcher, subAggregator, subAggregators, topLevelQuery, toString

    Methods inherited from class org.elasticsearch.search.aggregations.Aggregator

    buildTopLevel, collectDebugInfo, resolveSortPathOnValidAgg

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • ChildrenToParentAggregator

      public ChildrenToParentAggregator​(java.lang.String name, org.elasticsearch.search.aggregations.AggregatorFactories factories, org.elasticsearch.search.aggregations.support.AggregationContext context, org.elasticsearch.search.aggregations.Aggregator parent, org.apache.lucene.search.Query childFilter, org.apache.lucene.search.Query parentFilter, org.elasticsearch.search.aggregations.support.ValuesSource.Bytes.WithOrdinals valuesSource, long maxOrd, org.elasticsearch.search.aggregations.CardinalityUpperBound cardinality, java.util.Map<java.lang.String,​java.lang.Object> metadata) throws java.io.IOException
      Throws:
      java.io.IOException

  • Method Details

    • buildAggregations

      public org.elasticsearch.search.aggregations.InternalAggregation[] buildAggregations​(long[] owningBucketOrds) throws java.io.IOException
      Specified by:
      buildAggregations in class org.elasticsearch.search.aggregations.Aggregator
      Throws:
      java.io.IOException

    • buildEmptyAggregation

      public org.elasticsearch.search.aggregations.InternalAggregation buildEmptyAggregation()
      Specified by:
      buildEmptyAggregation in class org.elasticsearch.search.aggregations.Aggregator