Package org.apache.flink.api.java.summarize.aggregation

Interface Summary

Interface	Description
Aggregator<T,R>	Generic interface for aggregation.

Class Summary

Class	Description
BooleanSummaryAggregator	Aggregator for Boolean type.
CompensatedSum	Used to calculate sums using the Kahan summation algorithm.
DoubleSummaryAggregator	Aggregator that can handle Double types.
DoubleSummaryAggregator.MaxDoubleAggregator	Aggregator for max operation.
DoubleSummaryAggregator.MinDoubleAggregator	Aggregator for min operation.
DoubleSummaryAggregator.SumDoubleAggregator	Aggregator for sum operation.
FloatSummaryAggregator	Aggregator that can handle Float types.
FloatSummaryAggregator.MaxFloatAggregator	Aggregator for max operation.
FloatSummaryAggregator.MinFloatAggregator	Aggregator for min operation.
FloatSummaryAggregator.SumFloatAggregator	Aggregator for sum operation.
IntegerSummaryAggregator	Aggregator that can handle Integer types.
IntegerSummaryAggregator.MaxIntegerAggregator	Aggregator for max operation.
IntegerSummaryAggregator.MinIntegerAggregator	Aggregator for min operation.
IntegerSummaryAggregator.SumIntegerAggregator	Aggregator for sum operation.
LongSummaryAggregator	Aggregator that can handle Long types.
LongSummaryAggregator.MaxLongAggregator	Aggregator for max operation.
LongSummaryAggregator.MinLongAggregator	Aggregator for min operation.
NumericSummaryAggregator<T extends Number>	Generic aggregator for all numeric types creates a summary of a column of numbers.
ObjectSummaryAggregator	Aggregator that calculates statistics for Object values.
ShortSummaryAggregator	Aggregator that can handle Short types.
ShortSummaryAggregator.MaxShortAggregator	Aggregator for max operation.
ShortSummaryAggregator.MinShortAggregator	Aggregator for min operation.
ShortSummaryAggregator.SumShortAggregator	Aggregator for sum operation.
StringSummaryAggregator	Aggregator that calculates statistics for String values.
SummaryAggregatorFactory	Factory for creating Summary Aggregators.
TupleSummaryAggregator<R extends org.apache.flink.api.java.tuple.Tuple>	Aggregate tuples using an array of aggregators, one for each "column" or position within the Tuple.
ValueSummaryAggregator<VT extends org.apache.flink.types.Value,PT,R,A extends Aggregator<PT,R>>	This is a generic Aggregator for Value types like StringValue, DoubleValue, etc.
ValueSummaryAggregator.BooleanValueSummaryAggregator	A ValueSummaryAggregator for Boolean.
ValueSummaryAggregator.DoubleValueSummaryAggregator	A ValueSummaryAggregator for Double.
ValueSummaryAggregator.FloatValueSummaryAggregator	A ValueSummaryAggregator for Float.
ValueSummaryAggregator.IntegerValueSummaryAggregator	A ValueSummaryAggregator for Integer.
ValueSummaryAggregator.LongValueSummaryAggregator	A ValueSummaryAggregator for Long.
ValueSummaryAggregator.ShortValueSummaryAggregator	A ValueSummaryAggregator for Short.
ValueSummaryAggregator.StringValueSummaryAggregator	A ValueSummaryAggregator for String.