Java tutorial
/* * ==================================================================== * 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. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * */ package org.apache.http.client.cache; /** * This enumeration represents the various ways a response can be generated * by the {@link org.apache.http.impl.client.cache.CachingHttpClient}; * if a request is executed with an {@link org.apache.http.protocol.HttpContext} * then a parameter with one of these values will be registered in the * context under the key * {@link org.apache.http.impl.client.cache.CachingHttpClient#CACHE_RESPONSE_STATUS}. */ public enum CacheResponseStatus { /** The response was generated directly by the caching module. */ CACHE_MODULE_RESPONSE, /** A response was generated from the cache with no requests sent * upstream. */ CACHE_HIT, /** The response came from an upstream server. */ CACHE_MISS, /** The response was generated from the cache after validating the * entry with the origin server. */ VALIDATED; }