vmware-gemfire-native-client-c++-api-reference/10.4/a00059_source.html

/*

 * 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_

apache::geode::client::CacheStatistics
Defines common statistical information for both the region and its entries.
Definition CacheStatistics.hpp:48

apache::geode::client::CacheStatistics::getLastModifiedTime
virtual std::chrono::system_clock::time_point getLastModifiedTime() const
For an entry, returns the time that the entry's value was last modified.

apache::geode::client::CacheStatistics::getLastAccessedTime
virtual std::chrono::system_clock::time_point getLastAccessedTime() const
For an entry, returns the last time it was accessed via Region.get.