java.lang.Object

org.elasticsearch.search.aggregations.Aggregator

All Implemented Interfaces:: java.io.Closeable, java.lang.AutoCloseable, org.apache.lucene.search.Collector, Releasable

Direct Known Subclasses:: AggregatorBase, AggregatorFactory.MultiBucketAggregatorWrapper, DeferringBucketCollector.WrappedAggregator, ProfilingAggregator

public abstract class Aggregator
extends BucketCollector
implements Releasable

An Aggregator.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static interface`	`Aggregator.Parser`	Parses the aggregation request and creates the appropriate aggregator factory for it.
`static class`	`Aggregator.SubAggCollectionMode`	Aggregation mode for sub aggregations.

Field Summary

Fields inherited from class org.elasticsearch.search.aggregations.BucketCollector
NO_OP_COLLECTOR
Constructor Summary

Constructors

Constructor Description

Aggregator()

Method Summary

Modifier and Type	Method	Description
`abstract InternalAggregation`	`buildAggregation(long bucket)`	Build an aggregation for data that has been collected into `bucket`.
`abstract InternalAggregation`	`buildEmptyAggregation()`	Build an empty aggregation.
`abstract SearchContext`	`context()`	Return the `SearchContext` attached with this `Aggregator`.
`static boolean`	`descendsFromBucketAggregator(Aggregator parent)`	Returns whether one of the parents is a `BucketsAggregator`.
`abstract java.lang.String`	`name()`	Return the name of this aggregator.
`abstract Aggregator`	`parent()`	Return the parent aggregator.
`abstract Aggregator`	`subAggregator(java.lang.String name)`	Return the sub aggregator with the provided name.

getLeafCollector, postCollection, preCollection

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

scoreMode

close