Page Speed Optimization Libraries  1.4.26.1
net/instaweb/util/public/cache_copy.h
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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 
00018 
00019 #ifndef NET_INSTAWEB_UTIL_PUBLIC_CACHE_COPY_H_
00020 #define NET_INSTAWEB_UTIL_PUBLIC_CACHE_COPY_H_
00021 
00022 #include "net/instaweb/util/public/basictypes.h"
00023 #include "net/instaweb/util/public/cache_interface.h"
00024 #include "net/instaweb/util/public/string.h"
00025 
00026 namespace net_instaweb {
00027 
00028 class SharedString;
00029 
00034 class CacheCopy : public CacheInterface {
00035  public:
00037   explicit CacheCopy(CacheInterface* cache)
00038       : cache_(cache) {}
00039   virtual ~CacheCopy();
00040 
00041   virtual void Get(const GoogleString& key, Callback* callback) {
00042     cache_->Get(key, callback);
00043   }
00044   virtual void Put(const GoogleString& key, SharedString* value) {
00045     cache_->Put(key, value);
00046   }
00047   virtual void Delete(const GoogleString& key) { cache_->Delete(key); }
00048   virtual const char* Name() const { return cache_->Name(); }
00049   virtual CacheInterface* Backend() { return cache_; }
00050   virtual void MultiGet(MultiGetRequest* request) { cache_->MultiGet(request); }
00051   virtual bool IsBlocking() const { return cache_->IsBlocking(); }
00052   virtual bool IsHealthy() const { return cache_->IsHealthy(); }
00053   virtual void ShutDown() { cache_->ShutDown(); }
00054 
00055  private:
00056   CacheInterface* cache_;
00057 
00058   DISALLOW_COPY_AND_ASSIGN(CacheCopy);
00059 };
00060 
00061 }  
00062 
00063 #endif  ///< NET_INSTAWEB_UTIL_PUBLIC_CACHE_COPY_H_
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