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:

java.io.Closeable, java.lang.AutoCloseable, org.apache.lucene.search.Collector, org.elasticsearch.common.lease.Releasable, 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 and 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 and 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.bucket.BucketsAggregator

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

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 org.elasticsearch.search.aggregations.BucketCollector

wrap

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