Package org.elasticsearch.join.aggregations

Class ParentToChildrenAggregator

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.ParentToChildrenAggregator

All Implemented Interfaces:

org.elasticsearch.search.aggregations.bucket.SingleBucketAggregator

public class ParentToChildrenAggregator
extends org.elasticsearch.search.aggregations.bucket.BucketsAggregator
implements org.elasticsearch.search.aggregations.bucket.SingleBucketAggregator

Nested Class Summary

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

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

ParentToChildrenAggregator(java.lang.String name, org.elasticsearch.search.aggregations.AggregatorFactories factories, org.elasticsearch.search.internal.SearchContext 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, java.util.List<org.elasticsearch.search.aggregations.pipeline.PipelineAggregator> pipelineAggregators, java.util.Map<java.lang.String,java.lang.Object> metaData)

Method Summary

Modifier and Type	Method	Description
org.elasticsearch.search.aggregations.InternalAggregation	buildAggregation(long owningBucketOrdinal)
org.elasticsearch.search.aggregations.InternalAggregation	buildEmptyAggregation()
protected void	doClose()
protected void	doPostCollection()
org.elasticsearch.search.aggregations.LeafBucketCollector	getLeafCollector(org.apache.lucene.index.LeafReaderContext ctx, org.elasticsearch.search.aggregations.LeafBucketCollector sub)

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

descendsFromBucketAggregator

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.BucketCollector

wrap

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

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

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

ParentToChildrenAggregator

public ParentToChildrenAggregator(java.lang.String name,
                                  org.elasticsearch.search.aggregations.AggregatorFactories factories,
                                  org.elasticsearch.search.internal.SearchContext 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,
                                  java.util.List<org.elasticsearch.search.aggregations.pipeline.PipelineAggregator> pipelineAggregators,
                                  java.util.Map<java.lang.String,java.lang.Object> metaData)
                           throws java.io.IOException

Throws:

java.io.IOException

Method Detail

buildAggregation

public org.elasticsearch.search.aggregations.InternalAggregation buildAggregation(long owningBucketOrdinal)
                                                                           throws java.io.IOException

Specified by:

buildAggregation 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

getLeafCollector

public org.elasticsearch.search.aggregations.LeafBucketCollector getLeafCollector(org.apache.lucene.index.LeafReaderContext ctx,
                                                                                  org.elasticsearch.search.aggregations.LeafBucketCollector sub)
                                                                           throws java.io.IOException

Specified by:

getLeafCollector in class org.elasticsearch.search.aggregations.AggregatorBase

Throws:

java.io.IOException

doPostCollection

protected void doPostCollection()
                         throws java.io.IOException

Overrides:

doPostCollection in class org.elasticsearch.search.aggregations.AggregatorBase

Throws:

java.io.IOException

doClose

protected void doClose()

Overrides:

doClose in class org.elasticsearch.search.aggregations.AggregatorBase