Uses of Interface
io.druid.query.aggregation.BufferAggregator

Packages that use BufferAggregator

Package	Description
io.druid.query.aggregation
io.druid.query.aggregation.cardinality
io.druid.query.aggregation.datasketches.quantiles
io.druid.query.aggregation.datasketches.theta
io.druid.query.aggregation.distinctcount
io.druid.query.aggregation.first
io.druid.query.aggregation.histogram
io.druid.query.aggregation.hyperloglog
io.druid.query.aggregation.last
io.druid.query.aggregation.variance
io.druid.query.groupby.epinephelinae
io.druid.query.topn
io.druid.segment.incremental

Uses of BufferAggregator in io.druid.query.aggregation

Classes in io.druid.query.aggregation that implement BufferAggregator

Modifier and Type	Class and Description
class	CountBufferAggregator
class	DoubleMaxBufferAggregator
class	DoubleMinBufferAggregator
class	DoubleSumBufferAggregator
class	FilteredBufferAggregator
class	FloatMaxBufferAggregator
class	FloatMinBufferAggregator
class	FloatSumBufferAggregator
class	HistogramBufferAggregator
class	JavaScriptBufferAggregator
class	LongBufferAggregator
class	LongMaxBufferAggregator
class	LongMinBufferAggregator
class	LongSumBufferAggregator
class	NoopBufferAggregator
class	SimpleDoubleBufferAggregator
class	SimpleFloatBufferAggregator
class	TimestampBufferAggregator

Methods in io.druid.query.aggregation that return BufferAggregator

Modifier and Type	Method and Description
BufferAggregator	TimestampAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	LongSumAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	LongMinAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	LongMaxAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	JavaScriptAggregatorFactory.factorizeBuffered(ColumnSelectorFactory columnSelectorFactory)
BufferAggregator	HistogramAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	FloatSumAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	FloatMinAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	FloatMaxAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	FilteredAggregatorFactory.factorizeBuffered(ColumnSelectorFactory columnSelectorFactory)
BufferAggregator	DoubleSumAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	DoubleMinAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	DoubleMaxAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	CountAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
abstract BufferAggregator	AggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)

Constructors in io.druid.query.aggregation with parameters of type BufferAggregator

Constructor and Description
FilteredBufferAggregator(ValueMatcher matcher, BufferAggregator delegate)

Uses of BufferAggregator in io.druid.query.aggregation.cardinality

Classes in io.druid.query.aggregation.cardinality that implement BufferAggregator

Modifier and Type	Class and Description
class	CardinalityBufferAggregator

Methods in io.druid.query.aggregation.cardinality that return BufferAggregator

Modifier and Type	Method and Description
BufferAggregator	CardinalityAggregatorFactory.factorizeBuffered(ColumnSelectorFactory columnFactory)

Uses of BufferAggregator in io.druid.query.aggregation.datasketches.quantiles

Classes in io.druid.query.aggregation.datasketches.quantiles that implement BufferAggregator

Modifier and Type	Class and Description
class	DoublesSketchBuildBufferAggregator
class	DoublesSketchMergeBufferAggregator
class	DoublesSketchNoOpBufferAggregator

Methods in io.druid.query.aggregation.datasketches.quantiles that return BufferAggregator

Modifier and Type	Method and Description
BufferAggregator	DoublesSketchMergeAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	DoublesSketchAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)

Uses of BufferAggregator in io.druid.query.aggregation.datasketches.theta

Classes in io.druid.query.aggregation.datasketches.theta that implement BufferAggregator

Modifier and Type	Class and Description
class	SketchBufferAggregator

Methods in io.druid.query.aggregation.datasketches.theta that return BufferAggregator

Modifier and Type	Method and Description
BufferAggregator	SketchAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)

Uses of BufferAggregator in io.druid.query.aggregation.distinctcount

Classes in io.druid.query.aggregation.distinctcount that implement BufferAggregator

Modifier and Type	Class and Description
class	DistinctCountBufferAggregator
class	EmptyDistinctCountBufferAggregator The difference from NoopBufferAggregator is that EmptyDistinctCountBufferAggregator returns 0 instead of null from EmptyDistinctCountBufferAggregator.get(ByteBuffer, int).

Methods in io.druid.query.aggregation.distinctcount that return BufferAggregator

Modifier and Type	Method and Description
BufferAggregator	DistinctCountAggregatorFactory.factorizeBuffered(ColumnSelectorFactory columnFactory)

Uses of BufferAggregator in io.druid.query.aggregation.first

Classes in io.druid.query.aggregation.first that implement BufferAggregator

Modifier and Type	Class and Description
class	DoubleFirstBufferAggregator
class	FloatFirstBufferAggregator
class	LongFirstBufferAggregator

Methods in io.druid.query.aggregation.first that return BufferAggregator

Modifier and Type	Method and Description
BufferAggregator	LongFirstAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	FloatFirstAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	DoubleFirstAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)

Uses of BufferAggregator in io.druid.query.aggregation.histogram

Classes in io.druid.query.aggregation.histogram that implement BufferAggregator

Modifier and Type	Class and Description
class	ApproximateHistogramBufferAggregator
class	ApproximateHistogramFoldingBufferAggregator

Methods in io.druid.query.aggregation.histogram that return BufferAggregator

Modifier and Type	Method and Description
BufferAggregator	ApproximateHistogramFoldingAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	ApproximateHistogramAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)

Uses of BufferAggregator in io.druid.query.aggregation.hyperloglog

Classes in io.druid.query.aggregation.hyperloglog that implement BufferAggregator

Modifier and Type	Class and Description
class	HyperUniquesBufferAggregator

Methods in io.druid.query.aggregation.hyperloglog that return BufferAggregator

Modifier and Type	Method and Description
BufferAggregator	HyperUniquesAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)

Uses of BufferAggregator in io.druid.query.aggregation.last

Classes in io.druid.query.aggregation.last that implement BufferAggregator

Modifier and Type	Class and Description
class	DoubleLastBufferAggregator
class	FloatLastBufferAggregator
class	LongLastBufferAggregator

Methods in io.druid.query.aggregation.last that return BufferAggregator

Modifier and Type	Method and Description
BufferAggregator	LongLastAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	FloatLastAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	DoubleLastAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)

Uses of BufferAggregator in io.druid.query.aggregation.variance

Classes in io.druid.query.aggregation.variance that implement BufferAggregator

Modifier and Type	Class and Description
class	VarianceBufferAggregator
static class	VarianceBufferAggregator.FloatVarianceAggregator
static class	VarianceBufferAggregator.LongVarianceAggregator
static class	VarianceBufferAggregator.ObjectVarianceAggregator

Methods in io.druid.query.aggregation.variance that return BufferAggregator

Modifier and Type	Method and Description
BufferAggregator	VarianceAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)

Uses of BufferAggregator in io.druid.query.groupby.epinephelinae

Fields in io.druid.query.groupby.epinephelinae declared as BufferAggregator

Modifier and Type	Field and Description
protected BufferAggregator[]	AbstractBufferHashGrouper.aggregators

Uses of BufferAggregator in io.druid.query.topn

Classes in io.druid.query.topn with type parameters of type BufferAggregator

Modifier and Type	Interface and Description
interface	Historical1AggPooledTopNScanner<DimensionSelectorType extends HistoricalDimensionSelector,MetricSelectorType,BufferAggregatorType extends BufferAggregator>

Methods in io.druid.query.topn that return BufferAggregator

Modifier and Type	Method and Description
protected static BufferAggregator[]	BaseTopNAlgorithm.makeBufferAggregators(Cursor cursor, List<AggregatorFactory> aggregatorSpecs)
protected BufferAggregator[]	PooledTopNAlgorithm.makeDimValAggregateStore(PooledTopNAlgorithm.PooledTopNParams params)

Methods in io.druid.query.topn with parameters of type BufferAggregator

Modifier and Type	Method and Description
protected void	PooledTopNAlgorithm.closeAggregators(BufferAggregator[] bufferAggregators)
long	Generic2AggPooledTopNScannerPrototype.scanAndAggregate(DimensionSelector dimensionSelector, BufferAggregator aggregator1, int aggregator1Size, BufferAggregator aggregator2, int aggregator2Size, Cursor cursor, int[] positions, ByteBuffer resultsBuffer) Any changes to this method should be coordinated with TopNUtils, PooledTopNAlgorithm.computeSpecializedScanAndAggregateImplementations() and downstream methods.
long	Generic2AggPooledTopNScanner.scanAndAggregate(DimensionSelector dimensionSelector, BufferAggregator aggregator1, int aggregator1Size, BufferAggregator aggregator2, int aggregator2Size, Cursor cursor, int[] positions, ByteBuffer resultsBuffer)
long	Generic1AggPooledTopNScannerPrototype.scanAndAggregate(DimensionSelector dimensionSelector, BufferAggregator aggregator, int aggregatorSize, Cursor cursor, int[] positions, ByteBuffer resultsBuffer) Any changes to this method should be coordinated with TopNUtils, PooledTopNAlgorithm.computeSpecializedScanAndAggregateImplementations() and downstream methods.
long	Generic1AggPooledTopNScanner.scanAndAggregate(DimensionSelector dimensionSelector, BufferAggregator aggregator, int aggregatorSize, Cursor cursor, int[] positions, ByteBuffer resultsBuffer)
protected long	PooledTopNAlgorithm.scanAndAggregate(PooledTopNAlgorithm.PooledTopNParams params, int[] positions, BufferAggregator[] theAggregators)
protected void	PooledTopNAlgorithm.updateResults(PooledTopNAlgorithm.PooledTopNParams params, int[] positions, BufferAggregator[] theAggregators, TopNResultBuilder resultBuilder)

Uses of BufferAggregator in io.druid.segment.incremental

Methods in io.druid.segment.incremental that return BufferAggregator

Modifier and Type	Method and Description
protected BufferAggregator[]	OffheapIncrementalIndex.getAggsForRow(int rowOffset)
protected BufferAggregator[]	OffheapIncrementalIndex.initAggs(AggregatorFactory[] metrics, com.google.common.base.Supplier<InputRow> rowSupplier, boolean deserializeComplexMetrics, boolean concurrentEventAdd)

Methods in io.druid.segment.incremental with parameters of type BufferAggregator

Modifier and Type	Method and Description
protected Object	OffheapIncrementalIndex.getAggVal(BufferAggregator agg, int rowOffset, int aggPosition)