/* Copyright (c) 2021 Xie Meiyi(xiemeiyi@hust.edu.cn) and OceanBase and/or its affiliates. All rights reserved.miniob is licensed under Mulan PSL v2.You can use this software according to the terms and conditions of the Mulan PSL v2.You may obtain a copy of Mulan PSL v2 at: http://license.coscl.org.cn/MulanPSL2THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.See the Mulan PSL v2 for more details. *///// Created by Longda on 2021/4/20.//#ifndef __COMMON_METRICS_METRIC_H__#define __COMMON_METRICS_METRIC_H__#include "common/metrics/snapshot.h"namespacecommon{classMetric{public:virtualvoidsnapshot()=0;virtualSnapshot*get_snapshot(){returnsnapshot_value_;}protected:Snapshot*snapshot_value_;};}//namespace common#endif //__COMMON_METRICS_METRIC_H__