/************************************************************************************** * 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.expression; import com.espertech.esper.client.EventBean; import com.espertech.esper.client.EventPropertyGetter; import java.util.Map; public interface ExprIdentNodeEvaluator extends ExprEvaluator { public boolean evaluatePropertyExists(EventBean[] eventsPerStream, boolean isNewData); public int getStreamNum(); public EventPropertyGetter getGetter(); public boolean isContextEvaluated(); }