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, Collector, Releasable, 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.search.aggregations.Aggregator

Aggregator.Parser, Aggregator.SubAggCollectionMode

Field Summary

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

collectableSubAggregators, context, 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, AggregatorFactories factories, SearchContext context, Aggregator parent, Query childFilter, Query parentFilter, ValuesSource.Bytes.WithOrdinals valuesSource, long maxOrd, java.util.List<PipelineAggregator> pipelineAggregators, java.util.Map<java.lang.String,java.lang.Object> metaData)

Method Summary

Modifier and Type	Method	Description
InternalAggregation	buildAggregation(long owningBucketOrdinal)
InternalAggregation	buildEmptyAggregation()

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

doClose, doPostCollection, getLeafCollector

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

bucketAggregations, bucketDocCount, bucketEmptyAggregations, close, collectBucket, collectExistingBucket, consumeBucketsAndMaybeBreak, getDocCounts, grow, incrementBucketDocCount, maxBucketOrd, mergeBuckets

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

addRequestCircuitBreakerBytes, buildEmptySubAggregations, context, doPreCollection, getLeafCollector, metaData, name, needsScores, parent, pipelineAggregators, postCollection, preCollection, preGetSubLeafCollectors, subAggregator, subAggregators, toString

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

descendsFromBucketAggregator

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.elasticsearch.search.aggregations.bucket.SingleBucketAggregator

bucketDocCount

Constructor Detail

ChildrenToParentAggregator

public ChildrenToParentAggregator(java.lang.String name,
                                  AggregatorFactories factories,
                                  SearchContext context,
                                  Aggregator parent,
                                  Query childFilter,
                                  Query parentFilter,
                                  ValuesSource.Bytes.WithOrdinals valuesSource,
                                  long maxOrd,
                                  java.util.List<PipelineAggregator> pipelineAggregators,
                                  java.util.Map<java.lang.String,java.lang.Object> metaData)
                           throws java.io.IOException

Throws:

java.io.IOException

Method Detail

buildAggregation

public InternalAggregation buildAggregation(long owningBucketOrdinal)
                                     throws java.io.IOException

Specified by:

buildAggregation in class Aggregator

Throws:

java.io.IOException

buildEmptyAggregation

public InternalAggregation buildEmptyAggregation()

Specified by:

buildEmptyAggregation in class Aggregator