/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.epl.agg.service;
import com.espertech.esper.core.context.util.AgentInstanceContext;
import com.espertech.esper.epl.agg.aggregator.AggregationMethod;
import com.espertech.esper.epl.core.EngineImportService;
import com.espertech.esper.epl.expression.core.ExprEvaluator;
/**
* Implementation for handling aggregation without any grouping (no group-by).
*/
public class AggSvcGroupAllNoAccessFactory extends AggregationServiceFactoryBase {
public AggSvcGroupAllNoAccessFactory(ExprEvaluator[] evaluators, AggregationMethodFactory[] aggregators) {
super(evaluators, aggregators);
}
public AggregationService makeService(AgentInstanceContext agentInstanceContext, EngineImportService engineImportService, boolean isSubquery, Integer subqueryNumber) {
AggregationMethod[] aggregatorsAgentInstance = AggSvcGroupByUtil.newAggregators(super.aggregators);
return new AggSvcGroupAllNoAccessImpl(evaluators, aggregatorsAgentInstance, aggregators);
}
}