Module org.elasticsearch.server

Package org.elasticsearch.search.aggregations.bucket

Class DelayedBucketReducer<B extends MultiBucketsAggregation.Bucket>

java.lang.Object

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

public final class DelayedBucketReducer<B extends MultiBucketsAggregation.Bucket>
extends Object

Class for reducing a list of DelayedBucketReducer to a single InternalAggregations and the number of documents in a delayable fashion. This class can be reused by calling reset(B).

See Also:

• BucketReducer

Constructor Summary

Constructors

Constructor	Description
DelayedBucketReducer(B proto, AggregationReduceContext context)

Method Summary

Modifier and Type	Method	Description
void	accept(B bucket)	Adds a DelayedBucketReducer for reduction.
InternalAggregations	getAggregations()	returns the reduced InternalAggregations.
long	getDocCount()	returns the number of docs
B	getProto()	returns the bucket prototype.
void	reset(B proto)	Reset the content of this reducer.

Methods inherited from class java.lang.Object

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

Constructor Details

DelayedBucketReducer

public DelayedBucketReducer(B proto,
 AggregationReduceContext context)

Method Details

accept

public void accept(B bucket)

Adds a DelayedBucketReducer for reduction.

getProto

public B getProto()

returns the bucket prototype.

reset

public void reset(B proto)

Reset the content of this reducer.

getAggregations

public InternalAggregations getAggregations()

returns the reduced InternalAggregations.

getDocCount

public long getDocCount()

returns the number of docs