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/*  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
/*
 * NOTE: this source code is based on an early draft version of JSR 286 and not intended for product
 * implementations. This file may change or vanish in the final version of the JSR 286 specification.
 */
/*
 * This source code implements specifications defined by the Java
 * Community Process. In order to remain compliant with the specification
 * DO NOT add / change / or delete method signatures!
 */
/**
  * Copyright 2006 IBM Corporation.
  */

package javax.portlet;


/**
 * The RenderRequest represents the request sent to the portlet
 * to handle a render.
 * It extends the PortletRequest interface to provide render request
 * information to portlets.
* The portlet container creates a RenderRequest object and * passes it as argument to the portlet's render method. * * @see PortletRequest * @see ActionRequest */ public interface RenderRequest extends PortletRequest { /** * This property is set by the container if the portlet container * has a cached response for the given validation tag. The property can be * retrieved using the getProperty method. *

* The value is "portlet.ETag ". * * @since 2.0 */ public static final String ETAG = "portlet.ETag"; /** * Returns the validation tag if the portlet container * has a cached response for this validation tag, or * null if no cached response exists. *

* This call returns the same value as * RenderRequest.getProperty(RenderRequest.ETAG). * * @return the validation tag if the portlet container * has a cached response for this validation tag, or * null if no cached response exists. * * @since 2.0 */ public String getETag(); }





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