1 /* 2 * ==================================================================== 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * ==================================================================== 20 * 21 * This software consists of voluntary contributions made by many 22 * individuals on behalf of the Apache Software Foundation. For more 23 * information on the Apache Software Foundation, please see 24 * <http://www.apache.org/>. 25 * 26 */ 27 package org.apache.hc.client5.http.cache; 28 29 /** 30 * This enumeration represents the various ways a response can be generated 31 * by an HTTP cache. 32 */ 33 public enum CacheResponseStatus { 34 35 /** The response was generated directly by the caching module. */ 36 CACHE_MODULE_RESPONSE, 37 38 /** A response was generated from the cache with no requests sent 39 * upstream. 40 */ 41 CACHE_HIT, 42 43 /** The response came from an upstream server. */ 44 CACHE_MISS, 45 46 /** The response was generated from the cache after validating the 47 * entry with the origin server. 48 */ 49 VALIDATED, 50 51 /** The response came from an upstream server after a cache failure */ 52 FAILURE 53 54 }