/*
* *************************************************************************************
* Copyright (C) 2008 EsperTech, Inc. All rights reserved. *
* http://esper.codehaus.org *
* 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.core.context.stmt;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.epl.agg.service.AggregationRowRemovedCallback;
import com.espertech.esper.epl.agg.service.AggregationService;
import com.espertech.esper.epl.expression.ExprEvaluatorContext;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
public class AIRegistryAggregationMap implements AIRegistryAggregation {
private final Map<Integer, AggregationService> services;
public AIRegistryAggregationMap() {
this.services = new HashMap<Integer, AggregationService>();
}
public void assignService(int serviceId, AggregationService aggregationService) {
services.put(serviceId, aggregationService);
}
public void deassignService(int serviceId) {
services.remove(serviceId);
}
public int getInstanceCount() {
return services.size();
}
public void applyEnter(EventBean[] eventsPerStream, Object optionalGroupKeyPerRow, ExprEvaluatorContext exprEvaluatorContext) {
services.get(exprEvaluatorContext.getAgentInstanceId()).applyEnter(eventsPerStream, optionalGroupKeyPerRow, exprEvaluatorContext);
}
public void applyLeave(EventBean[] eventsPerStream, Object optionalGroupKeyPerRow, ExprEvaluatorContext exprEvaluatorContext) {
services.get(exprEvaluatorContext.getAgentInstanceId()).applyLeave(eventsPerStream, optionalGroupKeyPerRow, exprEvaluatorContext);
}
public void setCurrentAccess(Object groupKey, int agentInstanceId) {
services.get(agentInstanceId).setCurrentAccess(groupKey, agentInstanceId);
}
public void clearResults(ExprEvaluatorContext exprEvaluatorContext) {
services.get(exprEvaluatorContext.getAgentInstanceId()).clearResults(exprEvaluatorContext);
}
public Object getValue(int column, int agentInstanceId) {
return services.get(agentInstanceId).getValue(column, agentInstanceId);
}
public Collection<EventBean> getCollection(int column, ExprEvaluatorContext context) {
return services.get(context.getAgentInstanceId()).getCollection(column, context);
}
public EventBean getEventBean(int column, ExprEvaluatorContext context) {
return services.get(context.getAgentInstanceId()).getEventBean(column, context);
}
public void setRemovedCallback(AggregationRowRemovedCallback callback) {
// not applicable
}
}