Uses of Interface
org.apache.druid.query.aggregation.BufferAggregator

Packages that use BufferAggregator

Package	Description
org.apache.druid.query.aggregation
org.apache.druid.query.aggregation.cardinality
org.apache.druid.query.aggregation.first
org.apache.druid.query.aggregation.hyperloglog
org.apache.druid.query.aggregation.last
org.apache.druid.query.groupby.epinephelinae
org.apache.druid.query.topn
org.apache.druid.segment.incremental

Uses of BufferAggregator in org.apache.druid.query.aggregation

Classes in org.apache.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	LongMaxBufferAggregator
class	LongMinBufferAggregator
class	LongSumBufferAggregator
class	NoopBufferAggregator
class	NullableBufferAggregator The result of a NullableBufferAggregator will be null if all the values to be aggregated are null values or no values are aggregated at all.
class	SimpleDoubleBufferAggregator
class	SimpleFloatBufferAggregator
class	SimpleLongBufferAggregator
static class	SuppressedAggregatorFactory.SuppressedBufferAggregator

Methods in org.apache.druid.query.aggregation that return BufferAggregator

Modifier and Type	Method and Description
BufferAggregator	SuppressedAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	NullableAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	JavaScriptAggregatorFactory.factorizeBuffered(ColumnSelectorFactory columnSelectorFactory)
BufferAggregator	HistogramAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	FilteredAggregatorFactory.factorizeBuffered(ColumnSelectorFactory columnSelectorFactory)
BufferAggregator	CountAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
abstract BufferAggregator	AggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
protected BufferAggregator	DoubleSumAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, BaseDoubleColumnValueSelector selector)
protected BufferAggregator	DoubleMinAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, BaseDoubleColumnValueSelector selector)
protected BufferAggregator	DoubleMaxAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, BaseDoubleColumnValueSelector selector)
protected BufferAggregator	FloatSumAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, BaseFloatColumnValueSelector selector)
protected BufferAggregator	FloatMinAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, BaseFloatColumnValueSelector selector)
protected BufferAggregator	FloatMaxAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, BaseFloatColumnValueSelector selector)
protected BufferAggregator	LongSumAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, BaseLongColumnValueSelector selector)
BufferAggregator	LongMinAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, BaseLongColumnValueSelector selector)
protected BufferAggregator	LongMaxAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, BaseLongColumnValueSelector selector)
protected abstract BufferAggregator	NullableAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, T selector) Creates an BufferAggregator to aggregate values from several rows into a ByteBuffer.
BufferAggregator	SuppressedAggregatorFactory.SuppressedBufferAggregator.getDelegate()

Constructors in org.apache.druid.query.aggregation with parameters of type BufferAggregator

Constructor and Description
FilteredBufferAggregator(ValueMatcher matcher, BufferAggregator delegate)
NullableBufferAggregator(BufferAggregator delegate, BaseNullableColumnValueSelector nullSelector)
SuppressedBufferAggregator(BufferAggregator delegate)

Uses of BufferAggregator in org.apache.druid.query.aggregation.cardinality

Classes in org.apache.druid.query.aggregation.cardinality that implement BufferAggregator

Modifier and Type	Class and Description
class	CardinalityBufferAggregator

Methods in org.apache.druid.query.aggregation.cardinality that return BufferAggregator

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

Uses of BufferAggregator in org.apache.druid.query.aggregation.first

Classes in org.apache.druid.query.aggregation.first that implement BufferAggregator

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

Methods in org.apache.druid.query.aggregation.first that return BufferAggregator

Modifier and Type	Method and Description
BufferAggregator	StringFirstFoldingAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, BaseObjectColumnValueSelector selector)
BufferAggregator	StringFirstAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, BaseObjectColumnValueSelector selector)
protected BufferAggregator	LongFirstAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)
protected BufferAggregator	FloatFirstAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)
protected BufferAggregator	DoubleFirstAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)

Uses of BufferAggregator in org.apache.druid.query.aggregation.hyperloglog

Classes in org.apache.druid.query.aggregation.hyperloglog that implement BufferAggregator

Modifier and Type	Class and Description
class	HyperUniquesBufferAggregator

Methods in org.apache.druid.query.aggregation.hyperloglog that return BufferAggregator

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

Uses of BufferAggregator in org.apache.druid.query.aggregation.last

Classes in org.apache.druid.query.aggregation.last that implement BufferAggregator

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

Methods in org.apache.druid.query.aggregation.last that return BufferAggregator

Modifier and Type	Method and Description
BufferAggregator	StringLastFoldingAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, BaseObjectColumnValueSelector selector)
BufferAggregator	StringLastAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, BaseObjectColumnValueSelector selector)
protected BufferAggregator	LongLastAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)
protected BufferAggregator	FloatLastAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)
protected BufferAggregator	DoubleLastAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)

Uses of BufferAggregator in org.apache.druid.query.groupby.epinephelinae

Fields in org.apache.druid.query.groupby.epinephelinae declared as BufferAggregator

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

Uses of BufferAggregator in org.apache.druid.query.topn

Classes in org.apache.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 org.apache.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 org.apache.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 org.apache.druid.segment.incremental

Methods in org.apache.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 org.apache.druid.segment.incremental with parameters of type BufferAggregator

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