/************************************************************************************** * 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.epl.lookup; import com.espertech.esper.client.EventBean; import com.espertech.esper.epl.expression.ExprEvaluatorContext; import com.espertech.esper.epl.join.table.EventTable; import java.util.Collection; /** * Strategy for looking up, in some sort of table or index, or a set of events, potentially based on the * events properties, and returning a set of matched events. */ public interface SubordTableLookupStrategyFactory { public SubordTableLookupStrategy makeStrategy(EventTable eventTable); public String toQueryPlan(); }