src/paimon/common/data/serializer/binary_serializer_utils.h

/*
 * 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 <cstdint>
#include <memory>

#include "paimon/common/data/binary_array.h"
#include "paimon/common/data/binary_map.h"
#include "paimon/common/data/binary_row.h"
#include "paimon/common/data/binary_writer.h"

namespace paimon {
/// Utils for generate `BinaryRow`, `BinaryArray`, `BinaryMap` from `InternalRow`, `InternalArray`,
/// and `InternalMap`.
class BinarySerializerUtils {
 public:
    BinarySerializerUtils() = delete;
    ~BinarySerializerUtils() = delete;

    static Result<std::shared_ptr<BinaryArray>> WriteBinaryArray(
        const std::shared_ptr<InternalArray>& value, const std::shared_ptr<arrow::DataType>& type,
        MemoryPool* pool);

    static Result<std::shared_ptr<BinaryMap>> WriteBinaryMap(
        const std::shared_ptr<InternalMap>& value, const std::shared_ptr<arrow::DataType>& type,
        MemoryPool* pool);

    static Result<std::shared_ptr<BinaryRow>> WriteBinaryRow(
        const std::shared_ptr<InternalRow>& value, const std::shared_ptr<arrow::DataType>& type,
        MemoryPool* pool);

 private:
    static Status WriteBinaryData(const std::shared_ptr<arrow::DataType>& type,
                                  const DataGetters* getter, int32_t pos, BinaryWriter* writer,
                                  MemoryPool* pool);
};
}  // namespace paimon