com.espertech.esper.epl.agg.access

Interface AggregationStateWithSize

All Superinterfaces:

AggregationState

All Known Implementing Classes:

AggregationStateLinearImpl, AggregationStateLinearJoinImpl, AggregationStateLinearJoinWFilter, AggregationStateLinearWFilter, AggregationStateSortedImpl, AggregationStateSortedJoin, AggregationStateSortedJoinWFilter, AggregationStateSortedWFilter

public interface AggregationStateWithSize
extends AggregationState

Method Summary

Modifier and Type	Method and Description
int	size() Must return the number of events currently held, if applicable.

Methods inherited from interface com.espertech.esper.epl.agg.access.AggregationState

applyEnter, applyLeave, clear

Method Detail

size

int size()

Must return the number of events currently held, if applicable. Return -1 if not applicable.

Returns:

number of events