org.elasticsearch.search.aggregations.matrix.stats

Class MatrixStatsAggregator

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.matrix.stats.MatrixStatsAggregator

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, Collector, Releasable

public class MatrixStatsAggregator
extends MetricsAggregator

Metric Aggregation for computing the pearson product correlation coefficient between multiple fields

Nested Class Summary

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

Aggregator.Parser, Aggregator.SubAggCollectionMode

Field Summary

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

collectableSubAggregators, context, DEFAULT_WEIGHT, name, parent, subAggregators

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

NO_OP_COLLECTOR

Constructor Summary

Constructors

Constructor and Description
MatrixStatsAggregator(java.lang.String name, java.util.Map<java.lang.String,ValuesSource.Numeric> valuesSources, SearchContext context, Aggregator parent, MultiValueMode multiValueMode, java.util.List<PipelineAggregator> pipelineAggregators, java.util.Map<java.lang.String,java.lang.Object> metaData)

Method Summary

Modifier and Type	Method and Description
InternalAggregation	buildAggregation(long bucket)
InternalAggregation	buildEmptyAggregation()
void	doClose()
LeafBucketCollector	getLeafCollector(LeafReaderContext ctx, LeafBucketCollector sub)
boolean	needsScores()

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

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

Constructor Detail

MatrixStatsAggregator

public MatrixStatsAggregator(java.lang.String name,
                             java.util.Map<java.lang.String,ValuesSource.Numeric> valuesSources,
                             SearchContext context,
                             Aggregator parent,
                             MultiValueMode multiValueMode,
                             java.util.List<PipelineAggregator> pipelineAggregators,
                             java.util.Map<java.lang.String,java.lang.Object> metaData)
                      throws java.io.IOException

Throws:

java.io.IOException

Method Detail

needsScores

public boolean needsScores()

Specified by:

needsScores in interface Collector

Overrides:

needsScores in class AggregatorBase

getLeafCollector

public LeafBucketCollector getLeafCollector(LeafReaderContext ctx,
                                            LeafBucketCollector sub)
                                     throws java.io.IOException

Specified by:

getLeafCollector in class AggregatorBase

Throws:

java.io.IOException

buildAggregation

public InternalAggregation buildAggregation(long bucket)

Specified by:

buildAggregation in class Aggregator

buildEmptyAggregation

public InternalAggregation buildEmptyAggregation()

Specified by:

buildEmptyAggregation in class Aggregator

doClose

public void doClose()

Overrides:

doClose in class AggregatorBase