/**
 * 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_SQL_EXECUTOR_TASK_EXECUTOR_
#define OCEANBASE_SQL_EXECUTOR_TASK_EXECUTOR_
#include "ob_task_info.h"

namespace oceanbase {
namespace sql {
class ObJob;
class ObTaskInfo;
class ObExecContext;
class ObTaskExecutor {
public:
  ObTaskExecutor();
  virtual ~ObTaskExecutor();
  virtual int execute(ObExecContext& query_ctx, ObJob* job, ObTaskInfo* task_info) = 0;
  inline virtual void reset()
  {}

protected:
  int build_task_op_input(ObExecContext& query_ctx, ObTaskInfo& task_info, const ObPhyOperator& root_op);
  int should_skip_failed_tasks(ObTaskInfo& task_info, bool& skip_failed_tasks) const;

private:
  DISALLOW_COPY_AND_ASSIGN(ObTaskExecutor);
};
}  // namespace sql
}  // namespace oceanbase
#endif /* OCEANBASE_SQL_EXECUTOR_TASK_EXECUTOR_ */
//// end of header file
