57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#ifndef OCEANBASE_SQL_EXECUTOR_OB_REMOTE_JOB_EXECUTOR_
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#define OCEANBASE_SQL_EXECUTOR_OB_REMOTE_JOB_EXECUTOR_
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namespace oceanbase {
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namespace sql {
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class ObTaskInfo;
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class ObJob;
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class ObTaskExecutor;
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class ObExecContext;
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class ObRemoteJobExecutor {
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public:
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ObRemoteJobExecutor();
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virtual ~ObRemoteJobExecutor();
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// set job waiting for schedule
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void set_job(ObJob& job)
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{
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job_ = &job;
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}
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void set_task_executor(ObTaskExecutor& executor)
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{
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executor_ = &executor;
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}
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// schedule a job, distribute and execute tasks in the job.
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int execute(ObExecContext& ctx);
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inline void reset()
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{
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job_ = NULL;
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executor_ = NULL;
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}
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private:
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// disallow copy
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ObRemoteJobExecutor(const ObRemoteJobExecutor& other);
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ObRemoteJobExecutor& operator=(const ObRemoteJobExecutor& ohter);
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int get_executable_task(ObExecContext& ctx, ObTaskInfo*& task);
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private:
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ObJob* job_;
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ObTaskExecutor* executor_;
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};
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} // namespace sql
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} // namespace oceanbase
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#endif /* OCEANBASE_SQL_EXECUTOR_OB_REMOTE_JOB_EXECUTOR_ */
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//// end of header file
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