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.search.aggregations.bucket.SingleBucketAggregator

org.elasticsearch.join.aggregations.ParentToChildrenAggregator

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, Collector, Releasable

public class ParentToChildrenAggregator
extends SingleBucketAggregator

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 and Description
ParentToChildrenAggregator(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 and Description
InternalAggregation	buildAggregation(long owningBucketOrdinal)
InternalAggregation	buildEmptyAggregation()
protected void	doClose()
protected void	doPostCollection()
LeafBucketCollector	getLeafCollector(LeafReaderContext ctx, 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

buildEmptySubAggregations, context, doPreCollection, getDeferringCollector, getLeafCollector, metaData, name, needsScores, parent, pipelineAggregators, postCollection, preCollection, runDeferredCollections, shouldDefer, 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

Constructor Detail

ParentToChildrenAggregator

public ParentToChildrenAggregator(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

getLeafCollector

public LeafBucketCollector getLeafCollector(LeafReaderContext ctx,
                                            LeafBucketCollector sub)
                                     throws java.io.IOException

Specified by:

getLeafCollector in class AggregatorBase

Throws:

java.io.IOException

doPostCollection

protected void doPostCollection()
                         throws java.io.IOException

Overrides:

doPostCollection in class AggregatorBase

Throws:

java.io.IOException

doClose

protected void doClose()

Overrides:

doClose in class AggregatorBase