Package com.espertech.esper.epl.agg.aggregator

Aggregation function implementations.

See:
Description

Interface Summary

AggregationMethod

Maintains aggregation state applying values as entering and leaving the state.

Class Summary

AggregatorAvedev	Standard deviation always generates double-types numbers.
AggregatorAvedevFilter	Standard deviation always generates double-types numbers.
AggregatorAvg	Average that generates double-typed numbers.
AggregatorAvgBigDecimal	Average that generates a BigDecimal numbers.
AggregatorAvgBigDecimalFilter	Average that generates a BigDecimal numbers.
AggregatorAvgFilter	Average that generates double-typed numbers.
AggregatorCount	Counts all datapoints including null values.
AggregatorCountEver	Aggregator for count-ever value.
AggregatorCountEverFilter	Aggregator for the count-ever value.
AggregatorCountEverNonNull	Aggregator for count-ever value.
AggregatorCountEverNonNullFilter	Aggregator for the count-ever value.
AggregatorCountFilter	Counts all datapoints including null values.
AggregatorCountNonNull	Count all non-null values.
AggregatorCountNonNullFilter	Count all non-null values.
AggregatorDistinctValue	AggregationMethod for use on top of another aggregator that handles unique value aggregation (versus all-value aggregation) for the underlying aggregator.
AggregatorDistinctValueFilter	AggregationMethod for use on top of another aggregator that handles unique value aggregation (versus all-value aggregation) for the underlying aggregator.
AggregatorFirstEver	Aggregator for the very first value.
AggregatorFirstEverFilter	Aggregator for the very first value.
AggregatorLastEver	Aggregator for the very last value.
AggregatorLastEverFilter	Aggregator for the very last value.
AggregatorLeaving	For testing if a remove stream entry has been present.
AggregatorMedian	Median aggregation.
AggregatorMedianFilter	Median aggregation.
AggregatorMinMax	Min/max aggregator for all values.
AggregatorMinMaxEver	Min/max aggregator for all values, not considering events leaving the aggregation (i.e.
AggregatorMinMaxEverFilter	Min/max aggregator for all values, not considering events leaving the aggregation (i.e.
AggregatorMinMaxFilter	Min/max aggregator for all values.
AggregatorNth	Aggregator to return the Nth oldest element to enter, with N=1 the most recent value is returned.
AggregatorRate	Aggregation computing an event arrival rate for data windowed-events.
AggregatorRateEver	Aggregation computing an event arrival rate for with and without data window.
AggregatorStddev	Standard deviation always generates double-typed numbers.
AggregatorStddevFilter	Standard deviation always generates double-typed numbers.
AggregatorSumBigDecimal	Sum for BigInteger values.
AggregatorSumBigDecimalFilter	Sum for BigInteger values.
AggregatorSumBigInteger	Sum for BigInteger values.
AggregatorSumBigIntegerFilter	Sum for BigInteger values.
AggregatorSumDouble	Sum for double values.
AggregatorSumDoubleFilter	Sum for double values.
AggregatorSumFloat	Sum for float values.
AggregatorSumFloatFilter	Sum for float values.
AggregatorSumInteger	Sum for integer values.
AggregatorSumIntegerFilter	Sum for integer values.
AggregatorSumLong	Sum for long values.
AggregatorSumLongFilter	Sum for long values.
AggregatorSumNumInteger	Sum for any number value.
AggregatorSumNumIntegerFilter	Sum for any number value.

Package com.espertech.esper.epl.agg.aggregator Description

Aggregation function implementations.