in_memory_cache.h

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/*
 * Copyright 2016 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_KERNEL_CACHE_IN_MEMORY_CACHE_H_
#define PAGESPEED_KERNEL_CACHE_IN_MEMORY_CACHE_H_

#include <unordered_map>

#include "pagespeed/kernel/base/basictypes.h"
#include "pagespeed/kernel/base/cache_interface.h"
#include "pagespeed/kernel/base/shared_string.h"
#include "pagespeed/kernel/base/string.h"
#include "pagespeed/kernel/base/string_util.h"

namespace net_instaweb {

class InMemoryCache : public CacheInterface {
 public:
  InMemoryCache();
  ~InMemoryCache() override {}

  void Get(const GoogleString& key, Callback* callback) override;
  void Put(const GoogleString& key, const SharedString& new_value) override;
  void Delete(const GoogleString& key) override;
  GoogleString Name() const override { return "InMemoryCache"; }
  bool IsBlocking() const override { return true; }
  bool IsHealthy() const override { return !is_shut_down_; }
  void ShutDown() override { is_shut_down_ = true; }

 private:
  std::unordered_map<GoogleString, SharedString> cache_;

  bool is_shut_down_;

  
};

}  

#endif