com.espertech.esper.epl.agg.access
Interface AggregationStateWithSize

All Superinterfaces:

AggregationState

All Known Implementing Classes:

AggregationStateImpl, AggregationStateJoinImpl, AggregationStateSortedImpl, AggregationStateSortedJoin

public interface AggregationStateWithSize
extends AggregationState

Method Summary

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