text: /**
   * Copyright (c) 2021 OceanBase
   * OceanBase CE is licensed under Mulan PubL v2.
   * You can use this software according to the terms and conditions of the Mulan PubL v2.
   * You may obtain a copy of Mulan PubL v2 at:
   *          http://license.coscl.org.cn/MulanPubL-2.0
   * THIS 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 PubL v2 for more details.
   */
  
  #ifndef OCEANBASE_SHARE_OB_UNIT_STAT_TABLE_OPERATOR_H_
  #define OCEANBASE_SHARE_OB_UNIT_STAT_TABLE_OPERATOR_H_
  
  #include "lib/string/ob_sql_string.h"
  #include "lib/mysqlclient/ob_mysql_proxy.h"
  #include "share/ob_unit_stat.h"
  #include "share/ob_check_stop_provider.h"
  #include "share/partition_table/ob_partition_table_operator.h"
  
  namespace oceanbase {
  namespace share {
  namespace schema {
  class ObMultiVersionSchemaService;
  }
  class ObUnitStatTableOperator {
  public:
    ObUnitStatTableOperator();
    virtual ~ObUnitStatTableOperator();
  
    int init(share::ObPartitionTableOperator& pt_operator, share::schema::ObMultiVersionSchemaService& schema_service,
        share::ObCheckStopProvider& check_stop_provider);
    int get_unit_stat(uint64_t tenant_id, uint64_t unit_id, ObUnitStat& unit_stat) const;
  
    int get_unit_stat(uint64_t tenant_id, share::ObUnitStatMap& unit_stat_map) const;
  
  private:
    int check_stop() const
    {
      return check_stop_provider_->check_stop();
    }
  
  private:
    bool inited_;
    share::ObPartitionTableOperator* pt_operator_;
    share::schema::ObMultiVersionSchemaService* schema_service_;
    share::ObCheckStopProvider* check_stop_provider_;
  
  private:
    DISALLOW_COPY_AND_ASSIGN(ObUnitStatTableOperator);
  };
  }  // end namespace share
  }  // end namespace oceanbase
  
  #endif  // OCEANBASE_SHARE_OB_UNIT_STAT_TABLE_OPERATOR_H_
  