CacheStatistics.hpp

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */
 
#pragma once
 
#ifndef GEODE_CACHESTATISTICS_H_
#define GEODE_CACHESTATISTICS_H_
 
#include <atomic>
#include <chrono>
 
#include "internal/geode_globals.hpp"
 
namespace apache {
namespace geode {
namespace client {
 
class LocalRegion;
 
class APACHE_GEODE_EXPORT CacheStatistics {
 private:
  using time_point = std::chrono::steady_clock::time_point;
 
 public:
  CacheStatistics();
  CacheStatistics(const CacheStatistics&) = delete;
  virtual ~CacheStatistics();
 
  virtual std::chrono::system_clock::time_point getLastModifiedTime() const;
 
  virtual std::chrono::system_clock::time_point getLastAccessedTime() const;
 
  time_point getLastModifiedSteadyTime() const;
  time_point getLastAccessedSteadyTime() const;
 
 private:
  virtual void setLastAccessedTime(time_point tp);
  virtual void setLastModifiedTime(time_point tp);
 
  std::atomic<time_point::duration::rep> last_accessed_;
  std::atomic<time_point::duration::rep> last_modified_;
 
  friend class LocalRegion;
};
 
}  // namespace client
}  // namespace geode
}  // namespace apache
 
#endif  // GEODE_CACHESTATISTICS_H_