be/src/olap/task/engine_batch_load_task.h

// Licensed to the Apache Software Foundation (ASF) under one
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// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
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#ifndef DORIS_BE_SRC_OLAP_TASK_ENGINE_BATCH_LOAD_TASK_H
#define DORIS_BE_SRC_OLAP_TASK_ENGINE_BATCH_LOAD_TASK_H

#include <memory>
#include <string>
#include <vector>

#include "common/status.h"
#include "olap/task/engine_task.h"

namespace doris {
class TPushReq;
class TTabletInfo;
class StorageEngine;

class EngineBatchLoadTask final : public EngineTask {
public:
    EngineBatchLoadTask(StorageEngine& engine, TPushReq& push_req,
                        std::vector<TTabletInfo>* tablet_infos);
    ~EngineBatchLoadTask() override;

    Status execute() override;

private:
    virtual Status _init();

    // The process of push data to olap engine
    //
    // Output parameters:
    // * tablet_infos: The info of pushed tablet after push data
    virtual Status _process();

    // Delete data of specified tablet according to delete conditions,
    // once delete_data command submit success, deleted data is not visible,
    // but not actually deleted util delay_delete_time run out.
    //
    // @param [in] request specify tablet and delete conditions
    // @param [out] tablet_info_vec return tablet last status, which
    //              include version info, row count, data size, etc
    // @return OK if submit delete_data success
    virtual Status _delete_data(const TPushReq& request, std::vector<TTabletInfo>* tablet_info_vec);

    Status _get_tmp_file_dir(const std::string& root_path, std::string* local_path);
    Status _push(const TPushReq& request, std::vector<TTabletInfo>* tablet_info_vec);
    void _get_file_name_from_path(const std::string& file_path, std::string* file_name);

    StorageEngine& _engine;
    bool _is_init = false;
    TPushReq& _push_req;
    std::vector<TTabletInfo>* _tablet_infos;
    std::string _remote_file_path;
    std::string _local_file_path;
}; // class EngineBatchLoadTask
} // namespace doris
#endif // DORIS_BE_SRC_OLAP_TASK_ENGINE_BATCH_LOAD_TASK_H