Package org.elasticsearch.search.aggregations.bucket.nested

Class ReverseNestedAggregator

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.nested.ReverseNestedAggregator

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, org.apache.lucene.search.Collector, Releasable, SingleBucketAggregator

public class ReverseNestedAggregator
extends BucketsAggregator
implements 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	Description
ReverseNestedAggregator(java.lang.String name, AggregatorFactories factories, ObjectMapper objectMapper, SearchContext context, Aggregator parent, 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)	Build an aggregation for data that has been collected into bucket.
InternalAggregation	buildEmptyAggregation()	Build an empty aggregation.
protected LeafBucketCollector	getLeafCollector(org.apache.lucene.index.LeafReaderContext ctx, LeafBucketCollector sub)	Get a LeafBucketCollector for the given ctx, which should delegate to the given collector.

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

descendsFromBucketAggregator

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

addRequestCircuitBreakerBytes, buildEmptySubAggregations, context, doClose, doPostCollection, 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

ReverseNestedAggregator

public ReverseNestedAggregator(java.lang.String name,
                               AggregatorFactories factories,
                               ObjectMapper objectMapper,
                               SearchContext context,
                               Aggregator parent,
                               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

getLeafCollector

protected LeafBucketCollector getLeafCollector(org.apache.lucene.index.LeafReaderContext ctx,
                                               LeafBucketCollector sub)
                                        throws java.io.IOException

Description copied from class: AggregatorBase

Get a LeafBucketCollector for the given ctx, which should delegate to the given collector.

Specified by:

getLeafCollector in class AggregatorBase

Throws:

java.io.IOException

buildAggregation

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

Description copied from class: Aggregator

Build an aggregation for data that has been collected into bucket.

Specified by:

buildAggregation in class Aggregator

Throws:

java.io.IOException

buildEmptyAggregation

public InternalAggregation buildEmptyAggregation()

Description copied from class: Aggregator

Build an empty aggregation.

Specified by:

buildEmptyAggregation in class Aggregator