org.elasticsearch.search.aggregations.metrics.percentiles.tdigest

Class AbstractTDigestPercentilesAggregator

java.lang.Object

org.elasticsearch.search.aggregations.BucketCollector

org.elasticsearch.search.aggregations.Aggregator

org.elasticsearch.search.aggregations.AggregatorBase

org.elasticsearch.search.aggregations.metrics.MetricsAggregator

org.elasticsearch.search.aggregations.metrics.NumericMetricsAggregator

org.elasticsearch.search.aggregations.metrics.NumericMetricsAggregator.MultiValue

org.elasticsearch.search.aggregations.metrics.percentiles.tdigest.AbstractTDigestPercentilesAggregator

All Implemented Interfaces:

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

Direct Known Subclasses:

TDigestPercentileRanksAggregator, TDigestPercentilesAggregator

public abstract class AbstractTDigestPercentilesAggregator
extends NumericMetricsAggregator.MultiValue

Nested Class Summary

Nested classes/interfaces inherited from class org.elasticsearch.search.aggregations.metrics.NumericMetricsAggregator

NumericMetricsAggregator.MultiValue, NumericMetricsAggregator.SingleValue

Nested classes/interfaces inherited from class org.elasticsearch.search.aggregations.Aggregator

Aggregator.Parser, Aggregator.SubAggCollectionMode

Field Summary

Fields

Modifier and Type	Field and Description
protected double	compression
protected ValueFormatter	formatter
protected boolean	keyed
protected double[]	keys
protected ObjectArray<TDigestState>	states
protected ValuesSource.Numeric	valuesSource

Fields inherited from class org.elasticsearch.search.aggregations.AggregatorBase

collectableSubAggregators, context, name, parent, subAggregators

Fields inherited from class org.elasticsearch.search.aggregations.BucketCollector

NO_OP_COLLECTOR

Constructor Summary

Constructors

Constructor and Description
AbstractTDigestPercentilesAggregator(String name, ValuesSource.Numeric valuesSource, AggregationContext context, Aggregator parent, double[] keys, double compression, boolean keyed, ValueFormatter formatter, List<PipelineAggregator> pipelineAggregators, Map<String,Object> metaData)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	doClose() Release instance-specific data.
LeafBucketCollector	getLeafCollector(org.apache.lucene.index.LeafReaderContext ctx, LeafBucketCollector sub) Get a LeafBucketCollector for the given ctx, which should delegate to the given collector.
protected TDigestState	getState(long bucketOrd)
boolean	hasMetric(String name)
boolean	needsScores() Most aggregators don't need scores, make sure to extend this method if your aggregator needs them.

Methods inherited from class org.elasticsearch.search.aggregations.metrics.NumericMetricsAggregator.MultiValue

metric

Methods inherited from class org.elasticsearch.search.aggregations.AggregatorBase

buildEmptySubAggregations, close, context, doPostCollection, doPreCollection, getDeferringCollector, getLeafCollector, metaData, name, parent, pipelineAggregators, postCollection, preCollection, runDeferredCollections, shouldDefer, subAggregator, subAggregators, toString

Methods inherited from class org.elasticsearch.search.aggregations.Aggregator

buildAggregation, buildEmptyAggregation, descendsFromBucketAggregator

Methods inherited from class org.elasticsearch.search.aggregations.BucketCollector

wrap

Methods inherited from class java.lang.Object

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

Field Detail

keys

protected final double[] keys

valuesSource

protected final ValuesSource.Numeric valuesSource

formatter

protected final ValueFormatter formatter

states

protected ObjectArray<TDigestState> states

compression

protected final double compression

keyed

protected final boolean keyed

Constructor Detail

AbstractTDigestPercentilesAggregator

public AbstractTDigestPercentilesAggregator(String name,
                                    ValuesSource.Numeric valuesSource,
                                    AggregationContext context,
                                    Aggregator parent,
                                    double[] keys,
                                    double compression,
                                    boolean keyed,
                                    ValueFormatter formatter,
                                    List<PipelineAggregator> pipelineAggregators,
                                    Map<String,Object> metaData)
                                     throws IOException

Throws:

IOException

Method Detail

needsScores

public boolean needsScores()

Description copied from class: AggregatorBase

Most aggregators don't need scores, make sure to extend this method if your aggregator needs them.

Specified by:

needsScores in interface org.apache.lucene.search.Collector

Overrides:

needsScores in class AggregatorBase

getLeafCollector

public LeafBucketCollector getLeafCollector(org.apache.lucene.index.LeafReaderContext ctx,
                                   LeafBucketCollector sub)
                                     throws IOException

Description copied from class: AggregatorBase

Get a LeafBucketCollector for the given ctx, which should delegate to the given collector.

Specified by:

getLeafCollector in class AggregatorBase

Throws:

IOException

hasMetric

public boolean hasMetric(String name)

Specified by:

hasMetric in class NumericMetricsAggregator.MultiValue

getState

protected TDigestState getState(long bucketOrd)

doClose

protected void doClose()

Description copied from class: AggregatorBase

Release instance-specific data.

Overrides:

doClose in class AggregatorBase