Page Speed Optimization Libraries  1.8.31.2
net/instaweb/util/public/cache_property_store.h
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00001 /*
00002  * Copyright 2013 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 
00024 
00025 #ifndef NET_INSTAWEB_UTIL_PUBLIC_CACHE_PROPERTY_STORE_H_
00026 #define NET_INSTAWEB_UTIL_PUBLIC_CACHE_PROPERTY_STORE_H_
00027 
00028 #include <map>
00029 
00030 #include "net/instaweb/util/public/property_cache.h"
00031 #include "net/instaweb/util/public/property_store.h"
00032 #include "pagespeed/kernel/base/basictypes.h"
00033 #include "pagespeed/kernel/base/string_util.h"
00034 #include "pagespeed/kernel/base/string.h"
00035 
00036 namespace net_instaweb {
00037 
00038 class AbstractPropertyStoreGetCallback;
00039 class CacheInterface;
00040 class PropertyCacheValues;
00041 class Statistics;
00042 class ThreadSystem;
00043 class Timer;
00044 
00045 class CachePropertyStore : public PropertyStore {
00046  public:
00048   static const char kPagePropertyCacheKeyPrefix[];
00049 
00053   CachePropertyStore(const GoogleString& cache_key_prefix,
00054                      CacheInterface* cache,
00055                      Timer* timer,
00056                      Statistics* stats,
00057                      ThreadSystem* thread_system);
00058   virtual ~CachePropertyStore();
00059 
00063   virtual void Get(const GoogleString& url,
00064                    const GoogleString& options_signature_hash,
00065                    const GoogleString& cache_key_suffix,
00066                    const PropertyCache::CohortVector& cohort_list,
00067                    PropertyPage* page,
00068                    BoolCallback* done,
00069                    AbstractPropertyStoreGetCallback** callback);
00070 
00072   virtual void Put(const GoogleString& url,
00073                    const GoogleString& options_signature_hash,
00074                    const GoogleString& cache_key_suffix,
00075                    const PropertyCache::Cohort* cohort,
00076                    const PropertyCacheValues* values,
00077                    BoolCallback* done);
00078 
00080   void AddCohort(const GoogleString& cohort);
00083   void AddCohortWithCache(const GoogleString& cohort,
00084                           CacheInterface* cache);
00085 
00090   GoogleString CacheKey(const StringPiece& url,
00091                         const StringPiece& options_signature_hash,
00092                         const StringPiece& cache_key_suffix,
00093                         const PropertyCache::Cohort* cohort) const;
00094 
00096   const CacheInterface* cache_backend() { return default_cache_; }
00097 
00098   virtual GoogleString Name() const;
00099 
00100   static GoogleString FormatName2(StringPiece cohort_name1,
00101                                   StringPiece cohort_cache1,
00102                                   StringPiece cohort_name2,
00103                                   StringPiece cohort_cache2);
00104 
00105  private:
00106   GoogleString cache_key_prefix_;
00107   typedef std::map<GoogleString, CacheInterface*> CohortCacheMap;
00108   CohortCacheMap cohort_cache_map_;
00109   CacheInterface* default_cache_;
00110   Timer* timer_;
00111   Statistics* stats_;
00112   ThreadSystem* thread_system_;
00113   DISALLOW_COPY_AND_ASSIGN(CachePropertyStore);
00114 };
00115 
00116 }  
00117 #endif  ///< NET_INSTAWEB_UTIL_PUBLIC_CACHE_PROPERTY_STORE_H_
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