Class TermsAggregator
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.TermsAggregator
- All Implemented Interfaces:
java.io.Closeable
,java.lang.AutoCloseable
,org.apache.lucene.search.Collector
,Releasable
- Direct Known Subclasses:
GlobalOrdinalsStringTermsAggregator
,MapStringTermsAggregator
,NumericTermsAggregator
public abstract class TermsAggregator extends DeferableBucketAggregator
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
TermsAggregator.BucketCountThresholds
Nested classes/interfaces inherited from class org.elasticsearch.search.aggregations.bucket.BucketsAggregator
BucketsAggregator.BucketBuilderForFixedCount<B>, BucketsAggregator.BucketBuilderForVariable<B>, BucketsAggregator.ResultBuilderForVariable<B>, BucketsAggregator.SingleBucketResultBuilder
Nested classes/interfaces inherited from class org.elasticsearch.search.aggregations.Aggregator
Aggregator.BucketComparator, Aggregator.Parser, Aggregator.SubAggCollectionMode
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Field Summary
Fields Modifier and Type Field Description protected java.util.Set<Aggregator>
aggsUsedForSorting
protected TermsAggregator.BucketCountThresholds
bucketCountThresholds
protected Aggregator.SubAggCollectionMode
collectMode
protected DocValueFormat
format
protected BucketOrder
order
protected java.util.Comparator<InternalTerms.Bucket<?>>
partiallyBuiltBucketComparator
Fields inherited from class org.elasticsearch.search.aggregations.bucket.BucketsAggregator
docCountProvider
Fields inherited from class org.elasticsearch.search.aggregations.AggregatorBase
collectableSubAggregators, DEFAULT_WEIGHT, name, parent, subAggregators
Fields inherited from class org.elasticsearch.search.aggregations.BucketCollector
NO_OP_COLLECTOR
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Constructor Summary
Constructors Constructor Description TermsAggregator(java.lang.String name, AggregatorFactories factories, AggregationContext context, Aggregator parent, TermsAggregator.BucketCountThresholds bucketCountThresholds, BucketOrder order, DocValueFormat format, Aggregator.SubAggCollectionMode collectMode, java.util.Map<java.lang.String,java.lang.Object> metadata)
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Method Summary
Modifier and Type Method Description static java.util.Set<Aggregator>
aggsUsedForSorting(Aggregator root, BucketOrder order)
Walks through bucket order and extracts all aggregations used for sortingstatic boolean
descendsFromNestedAggregator(Aggregator parent)
protected boolean
shouldDefer(Aggregator aggregator)
This method should be overridden by subclasses that want to defer calculation of a child aggregation until a first pass is complete and a set of buckets has been pruned.Methods inherited from class org.elasticsearch.search.aggregations.bucket.DeferableBucketAggregator
buildDeferringCollector, collectDebugInfo, deferringCollector, doPreCollection, prepareSubAggs
Methods inherited from class org.elasticsearch.search.aggregations.bucket.BucketsAggregator
bucketComparator, bucketDocCount, buildAggregationsForFixedBucketCount, buildAggregationsForSingleBucket, buildAggregationsForVariableBuckets, buildSubAggsForAllBuckets, buildSubAggsForBuckets, buildSubAggsForBuckets, close, collectBucket, collectExistingBucket, descendsFromGlobalAggregator, getDocCounts, grow, incrementBucketDocCount, maxBucketOrd, preGetSubLeafCollectors, resolveSortPath, rewriteBuckets
Methods inherited from class org.elasticsearch.search.aggregations.AggregatorBase
addRequestCircuitBreakerBytes, bigArrays, buildEmptySubAggregations, doClose, doPostCollection, getLeafCollector, getLeafCollector, metadata, name, parent, pointReaderIfAvailable, postCollection, preCollection, scoreMode, searcher, subAggregator, subAggregators, topLevelQuery, toString
Methods inherited from class org.elasticsearch.search.aggregations.Aggregator
buildAggregations, buildEmptyAggregation, buildTopLevel, resolveSortPathOnValidAgg
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Field Details
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format
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bucketCountThresholds
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order
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partiallyBuiltBucketComparator
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aggsUsedForSorting
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collectMode
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Constructor Details
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TermsAggregator
public TermsAggregator(java.lang.String name, AggregatorFactories factories, AggregationContext context, Aggregator parent, TermsAggregator.BucketCountThresholds bucketCountThresholds, BucketOrder order, DocValueFormat format, Aggregator.SubAggCollectionMode collectMode, java.util.Map<java.lang.String,java.lang.Object> metadata) throws java.io.IOException- Throws:
java.io.IOException
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Method Details
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aggsUsedForSorting
Walks through bucket order and extracts all aggregations used for sorting -
descendsFromNestedAggregator
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shouldDefer
Description copied from class:DeferableBucketAggregator
This method should be overridden by subclasses that want to defer calculation of a child aggregation until a first pass is complete and a set of buckets has been pruned.- Overrides:
shouldDefer
in classDeferableBucketAggregator
- Parameters:
aggregator
- the child aggregator- Returns:
- true if the aggregator should be deferred until a first pass at collection has completed
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