two_level_property_store.h

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/*
 * Copyright 2013 Google Inc.
 *
 * Licensed 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.
 */

#ifndef PAGESPEED_OPT_HTTP_TWO_LEVEL_PROPERTY_STORE_H_
#define PAGESPEED_OPT_HTTP_TWO_LEVEL_PROPERTY_STORE_H_

#include "pagespeed/kernel/base/basictypes.h"
#include "pagespeed/kernel/base/string.h"
#include "pagespeed/opt/http/abstract_property_store_get_callback.h"
#include "pagespeed/opt/http/property_cache.h"
#include "pagespeed/opt/http/property_store.h"

namespace net_instaweb {

class PropertyCacheValues;
class ThreadSystem;

class TwoLevelPropertyStore : public PropertyStore {
 public:
  TwoLevelPropertyStore(PropertyStore* primary_property_store,
                        PropertyStore* secondary_propery_store,
                        ThreadSystem* thread_system);
  virtual ~TwoLevelPropertyStore();

  virtual void Get(
      const GoogleString& url,
      const GoogleString& options_signature_hash,
      const GoogleString& cache_key_suffix,
      const PropertyCache::CohortVector& cohort_list,
      PropertyPage* page,
      BoolCallback* done,
      AbstractPropertyStoreGetCallback** callback);

  virtual void Put(
      const GoogleString& url,
      const GoogleString& options_signature_hash,
      const GoogleString& cache_key_suffix,
      const PropertyCache::Cohort* cohort,
      const PropertyCacheValues* values,
      BoolCallback* done);

  virtual GoogleString Name() const;

 private:
  PropertyStore* primary_property_store_;
  PropertyStore* secondary_property_store_;
  ThreadSystem* thread_system_;
  
};

}  
#endif