org.elasticsearch.search.aggregations

クラス Aggregator

java.lang.Object

org.elasticsearch.search.aggregations.BucketCollector

org.elasticsearch.search.aggregations.Aggregator

すべての実装されたインタフェース:

AutoCloseable, org.apache.lucene.search.Collector, Releasable

直系の既知のサブクラス:

AggregatorBase, DeferringBucketCollector.WrappedAggregator

public abstract class Aggregator
extends BucketCollector
implements Releasable

An Aggregator.

ネストされたクラスのサマリー

ネストされたクラス

修飾子とタイプ	クラスと説明
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.

フィールドのサマリー

クラスから継承されたフィールド org.elasticsearch.search.aggregations.BucketCollector

NO_OP_COLLECTOR

コンストラクタのサマリー

コンストラクタ

コンストラクタと説明
Aggregator()

メソッドのサマリー

修飾子とタイプ	メソッドと説明
abstract InternalAggregation	buildAggregation(long bucket) Build an aggregation for data that has been collected into bucket.
abstract InternalAggregation	buildEmptyAggregation() Build an empty aggregation.
abstract AggregationContext	context() Return the AggregationContext attached with this Aggregator.
static boolean	descendsFromBucketAggregator(Aggregator parent) Returns whether one of the parents is a BucketsAggregator.
abstract String	name() Return the name of this aggregator.
abstract Aggregator	parent() Return the parent aggregator.
abstract Aggregator	subAggregator(String name) Return the sub aggregator with the provided name.

クラスから継承されたメソッド org.elasticsearch.search.aggregations.BucketCollector

getLeafCollector, postCollection, preCollection, wrap

クラスから継承されたメソッド java.lang.Object

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

インタフェースから継承されたメソッド org.elasticsearch.common.lease.Releasable

close

インタフェースから継承されたメソッド org.apache.lucene.search.Collector

needsScores

コンストラクタの詳細

Aggregator

public Aggregator()

メソッドの詳細

descendsFromBucketAggregator

public static boolean descendsFromBucketAggregator(Aggregator parent)

Returns whether one of the parents is a BucketsAggregator.

name

public abstract String name()

Return the name of this aggregator.

context

public abstract AggregationContext context()

Return the AggregationContext attached with this Aggregator.

parent

public abstract Aggregator parent()

Return the parent aggregator.

subAggregator

public abstract Aggregator subAggregator(String name)

Return the sub aggregator with the provided name.

buildAggregation

public abstract InternalAggregation buildAggregation(long bucket)
                                              throws IOException

Build an aggregation for data that has been collected into bucket.

例外:

IOException

buildEmptyAggregation

public abstract InternalAggregation buildEmptyAggregation()

Build an empty aggregation.