Page Speed Optimization Libraries
1.4.26.1
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00001 /* 00002 * Copyright 2012 Google Inc. 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http:///www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00019 00020 #ifndef NET_INSTAWEB_UTIL_PUBLIC_DELEGATING_CACHE_CALLBACK_H_ 00021 #define NET_INSTAWEB_UTIL_PUBLIC_DELEGATING_CACHE_CALLBACK_H_ 00022 00023 #include "net/instaweb/util/public/basictypes.h" 00024 #include "net/instaweb/util/public/cache_interface.h" 00025 #include "net/instaweb/util/public/string.h" 00026 00027 namespace net_instaweb { 00028 00031 class DelegatingCacheCallback : public CacheInterface::Callback { 00032 public: 00033 explicit DelegatingCacheCallback(CacheInterface::Callback* callback); 00034 virtual ~DelegatingCacheCallback(); 00035 00039 virtual bool ValidateCandidate(const GoogleString& key, 00040 CacheInterface::KeyState state); 00041 00042 virtual void Done(CacheInterface::KeyState state); 00043 00044 private: 00045 CacheInterface::Callback* callback_; 00046 bool validate_candidate_called_; 00047 00048 DISALLOW_COPY_AND_ASSIGN(DelegatingCacheCallback); 00049 }; 00050 00051 } 00052 00053 #endif ///< NET_INSTAWEB_UTIL_PUBLIC_DELEGATING_CACHE_CALLBACK_H_