Package org.elasticsearch.search.aggregations.bucket.terms

Class StringRareTermsAggregator

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.DeferableBucketAggregator

org.elasticsearch.search.aggregations.bucket.terms.AbstractRareTermsAggregator<ValuesSource.Bytes,IncludeExclude.StringFilter,org.apache.lucene.util.BytesRef>

org.elasticsearch.search.aggregations.bucket.terms.StringRareTermsAggregator

All Implemented Interfaces:

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

public class StringRareTermsAggregator
extends AbstractRareTermsAggregator<ValuesSource.Bytes,IncludeExclude.StringFilter,org.apache.lucene.util.BytesRef>

An aggregator that finds "rare" string values (e.g. terms agg that orders ascending)

Nested Class Summary

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

Aggregator.Parser, Aggregator.SubAggCollectionMode

Field Summary

Fields

Modifier and Type	Field	Description
protected BytesRefHash	bucketOrds

Fields inherited from class org.elasticsearch.search.aggregations.bucket.terms.AbstractRareTermsAggregator

format, includeExclude, maxDocCount, precision, valuesSource

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

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.
void	doClose()	Release instance-specific data.
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.bucket.terms.AbstractRareTermsAggregator

doCollect, getDeferringCollector, shouldDefer

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

descendsFromGlobalAggregator, doPreCollection, runDeferredCollections

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, doPostCollection, getLeafCollector, metaData, name, parent, pipelineAggregators, postCollection, preCollection, preGetSubLeafCollectors, scoreMode, 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

Field Detail

bucketOrds

protected BytesRefHash bucketOrds

Method Detail

getLeafCollector

public 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

doClose

public void doClose()

Description copied from class: AggregatorBase

Release instance-specific data.

Overrides:

doClose in class AggregatorBase