/*
 * Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved.
 * 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/MulanPSL2
 * 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 PSL v2 for more details.
 */

#ifndef FLINK_TNEL_FLATMAPFUNCTION_H
#define FLINK_TNEL_FLATMAPFUNCTION_H

#include <memory>
#include "Collector.h"
#include "basictypes/Object.h"
#include "Function.h"

template<typename T>
class FlatMapFunction : public omnistream::Function {
public:
    virtual ~FlatMapFunction()  = default;
    virtual void flatMap(T* value, Collector* out) = 0;
};

template<typename T>
using FlatMapFunctionUnique = std::unique_ptr<FlatMapFunction<T>>;
#endif  // FLINK_TNEL_FLATMAPFUNCTION_H