/* * ************************************************************************************* * 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.client.dataflow; /** * For use in data flow instantiation, may provide operator instances. */ public interface EPDataFlowOperatorProvider { /** * Called to see if the provider would like to provide the operator instance as described in the context. * @param context operator instance requested * @return operator instance, or null if the default empty construct instantiation for the operator class should be used */ public Object provide(EPDataFlowOperatorProviderContext context); }