Module org.elasticsearch.server

Package org.elasticsearch.search.aggregations.bucket

Class BucketReducer<B extends MultiBucketsAggregation.Bucket>

java.lang.Object

org.elasticsearch.search.aggregations.bucket.BucketReducer<B>

All Implemented Interfaces:

Closeable, AutoCloseable, Releasable

public final class BucketReducer<B extends MultiBucketsAggregation.Bucket>
extends Object
implements Releasable

Class for reducing a list of BucketReducer to a single InternalAggregations and the number of documents.

Constructor Summary

Constructors

Constructor	Description
BucketReducer(B proto, AggregationReduceContext context, int size)

Method Summary

Modifier and Type	Method	Description
void	accept(B bucket)	Adds a BucketReducer for reduction.
void	close()
InternalAggregations	getAggregations()	returns the reduced InternalAggregations.
long	getDocCount()	returns the number of docs
B	getProto()	returns the bucket prototype.

Methods inherited from class java.lang.Object

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

Constructor Details

BucketReducer

public BucketReducer(B proto,
 AggregationReduceContext context,
 int size)

Method Details

accept

public void accept(B bucket)

Adds a BucketReducer for reduction.

getProto

public B getProto()

returns the bucket prototype.

getAggregations

public InternalAggregations getAggregations()

returns the reduced InternalAggregations.

getDocCount

public long getDocCount()

returns the number of docs

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface Releasable