// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements.  See the NOTICE file

// 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,

// software distributed under the License is distributed on an

// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

// KIND, either express or implied.  See the License for the

// specific language governing permissions and limitations

// under the License.

#pragma once

#include "vec/sink/vdata_stream_sender.h"

namespace doris {

class RuntimeState;

class Status;

namespace vectorized {

class Block;

class Channel;

} // namespace vectorized

namespace pipeline {

#include "common/compile_check_begin.h"

class ExchangeSinkLocalState;

class Writer {

public:

    Writer() = default;

    Status write(ExchangeSinkLocalState* local_state, RuntimeState* state, vectorized::Block* block,

                 bool eos);

private:

    template <typename ChannelIdType>

    Status _channel_add_rows(RuntimeState* state,

                             std::vector<std::shared_ptr<vectorized::Channel>>& channels,

                             size_t partition_count, const ChannelIdType* __restrict channel_ids,

                             size_t rows, vectorized::Block* block, bool eos);

    template <typename ChannelPtrType>

    void _handle_eof_channel(RuntimeState* state, ChannelPtrType channel, Status st) const;

    vectorized::PaddedPODArray<uint32_t> _row_idx;

    vectorized::PaddedPODArray<uint32_t> _partition_rows_histogram;

    vectorized::PaddedPODArray<uint32_t> _channel_start_offsets;

};

#include "common/compile_check_end.h"

} // namespace pipeline

} // namespace doris