Class MinAggregator
- java.lang.Object
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- org.elasticsearch.search.aggregations.BucketCollector
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- org.elasticsearch.search.aggregations.Aggregator
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- org.elasticsearch.search.aggregations.AggregatorBase
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- org.elasticsearch.search.aggregations.metrics.MetricsAggregator
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- org.elasticsearch.search.aggregations.metrics.NumericMetricsAggregator
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- org.elasticsearch.search.aggregations.metrics.NumericMetricsAggregator.SingleValue
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- org.elasticsearch.search.aggregations.metrics.min.MinAggregator
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- All Implemented Interfaces:
java.io.Closeable
,java.lang.AutoCloseable
,org.apache.lucene.search.Collector
,Releasable
public class MinAggregator extends NumericMetricsAggregator.SingleValue
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Nested Class Summary
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Nested classes/interfaces inherited from class org.elasticsearch.search.aggregations.Aggregator
Aggregator.Parser, Aggregator.SubAggCollectionMode
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Nested classes/interfaces inherited from class org.elasticsearch.search.aggregations.metrics.NumericMetricsAggregator
NumericMetricsAggregator.MultiValue, NumericMetricsAggregator.SingleValue
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Field Summary
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Fields inherited from class org.elasticsearch.search.aggregations.AggregatorBase
collectableSubAggregators, context, DEFAULT_WEIGHT, name, parent, subAggregators
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Fields inherited from class org.elasticsearch.search.aggregations.BucketCollector
NO_OP_COLLECTOR
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Constructor Summary
Constructors Constructor Description MinAggregator(java.lang.String name, ValuesSource.Numeric valuesSource, DocValueFormat formatter, SearchContext context, Aggregator parent, java.util.List<PipelineAggregator> pipelineAggregators, java.util.Map<java.lang.String,java.lang.Object> metaData)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description InternalAggregation
buildAggregation(long bucket)
Build an aggregation for data that has been collected intobucket
.InternalAggregation
buildEmptyAggregation()
Build an empty aggregation.void
doClose()
Release instance-specific data.LeafBucketCollector
getLeafCollector(org.apache.lucene.index.LeafReaderContext ctx, LeafBucketCollector sub)
Get aLeafBucketCollector
for the given ctx, which should delegate to the given collector.double
metric(long owningBucketOrd)
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.Aggregator
descendsFromBucketAggregator
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Methods inherited from class org.elasticsearch.search.aggregations.AggregatorBase
addRequestCircuitBreakerBytes, buildEmptySubAggregations, close, context, doPostCollection, doPreCollection, getLeafCollector, metaData, name, parent, pipelineAggregators, postCollection, preCollection, preGetSubLeafCollectors, subAggregator, subAggregators, toString
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Methods inherited from class org.elasticsearch.search.aggregations.BucketCollector
wrap
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Constructor Detail
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MinAggregator
public MinAggregator(java.lang.String name, ValuesSource.Numeric valuesSource, DocValueFormat formatter, SearchContext context, Aggregator parent, java.util.List<PipelineAggregator> pipelineAggregators, java.util.Map<java.lang.String,java.lang.Object> metaData) throws java.io.IOException
- Throws:
java.io.IOException
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Method Detail
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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 interfaceorg.apache.lucene.search.Collector
- Overrides:
needsScores
in classAggregatorBase
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getLeafCollector
public LeafBucketCollector getLeafCollector(org.apache.lucene.index.LeafReaderContext ctx, LeafBucketCollector sub) throws java.io.IOException
Description copied from class:AggregatorBase
Get aLeafBucketCollector
for the given ctx, which should delegate to the given collector.- Specified by:
getLeafCollector
in classAggregatorBase
- Throws:
java.io.IOException
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metric
public double metric(long owningBucketOrd)
- Specified by:
metric
in classNumericMetricsAggregator.SingleValue
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buildAggregation
public InternalAggregation buildAggregation(long bucket)
Description copied from class:Aggregator
Build an aggregation for data that has been collected intobucket
.- Specified by:
buildAggregation
in classAggregator
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buildEmptyAggregation
public InternalAggregation buildEmptyAggregation()
Description copied from class:Aggregator
Build an empty aggregation.- Specified by:
buildEmptyAggregation
in classAggregator
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doClose
public void doClose()
Description copied from class:AggregatorBase
Release instance-specific data.- Overrides:
doClose
in classAggregatorBase
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