com.espertech.esper.epl.agg.service
Interface AggregationStateFactory

All Known Implementing Classes:

AggregationStateFactoryCountMinSketch, AggregationStateFactoryLinear, AggregationStateFactoryMinMaxByEver, AggregationStateFactoryPlugin, AggregationStateFactorySorted

public interface AggregationStateFactory

Method Summary

AggregationState	createAccess(int agentInstanceId, boolean join, java.lang.Object groupKey, AggregationServicePassThru passThru)
ExprNode	getAggregationExpression()

Method Detail

createAccess

AggregationState createAccess(int agentInstanceId,
                              boolean join,
                              java.lang.Object groupKey,
                              AggregationServicePassThru passThru)

getAggregationExpression

ExprNode getAggregationExpression()