/*
***************************************************************************************
* 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.core.service;
import com.espertech.esper.client.EventBean;
import java.util.Collection;
/**
* On the level of indexed event properties: Properties that are contained in EventBean instances, such as for Enumeration Methods, get wrapped only once for the same event.
* The cache is keyed by property-name and EventBean reference and maintains a Collection<EventBean>.
* <p>
* NOTE: ExpressionResultCacheEntry should not be held onto since the instance returned can be reused.
*/
public interface ExpressionResultCacheForPropUnwrap {
ExpressionResultCacheEntry<EventBean, Collection<EventBean>> getPropertyColl(String propertyNameFullyQualified, EventBean reference);
void savePropertyColl(String propertyNameFullyQualified, EventBean reference, Collection<EventBean> events);
}