VMware Tanzu GemFire Native C++ Reference  10.1.5
CacheStatistics.hpp
Go to the documentation of this file.
1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 #pragma once
19 
20 #ifndef GEODE_CACHESTATISTICS_H_
21 #define GEODE_CACHESTATISTICS_H_
22 
23 #include <atomic>
24 #include <chrono>
25 
26 #include "internal/geode_globals.hpp"
27 
32 namespace apache {
33 namespace geode {
34 namespace client {
35 
36 class LocalRegion;
37 
48 class APACHE_GEODE_EXPORT CacheStatistics {
49  public:
50  typedef std::chrono::system_clock::time_point time_point;
51 
52  CacheStatistics() : m_lastAccessTime(0), m_lastModifiedTime(0){};
53  CacheStatistics(const CacheStatistics&) = delete;
54  virtual ~CacheStatistics() = default;
55 
78  virtual time_point getLastModifiedTime() const;
79 
97  virtual time_point getLastAccessedTime() const;
98 
99  private:
100  virtual void setLastAccessedTime(time_point lat);
101  virtual void setLastModifiedTime(time_point lmt);
102 
103  std::atomic<time_point::duration::rep> m_lastAccessTime;
104  std::atomic<time_point::duration::rep> m_lastModifiedTime;
105 
106  friend class LocalRegion;
107 };
108 
109 } // namespace client
110 } // namespace geode
111 } // namespace apache
112 
113 #endif // GEODE_CACHESTATISTICS_H_
apache::geode::client::CacheStatistics::getLastModifiedTime
virtual time_point getLastModifiedTime() const
For an entry, returns the time that the entry's value was last modified.
apache::geode::client::CacheStatistics
Defines common statistical information for both the region and its entries.
Definition: CacheStatistics.hpp:48
apache::geode::client::CacheStatistics::getLastAccessedTime
virtual time_point getLastAccessedTime() const
For an entry, returns the last time it was accessed via Region.get.

Apache Geode C++ Cache API Documentation