Program Listing for File data_table.hpp

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2021-2025, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed 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 <cudf/types.hpp>
#include <pybind11/pytypes.h>

#include <memory>
#include <shared_mutex>

namespace morpheus {

struct TableInfoData;
struct TableInfo;
struct MutableTableInfo;

/****** Component public implementations *******************/
/****** IDataTable******************************************/

struct IDataTable : public std::enable_shared_from_this<IDataTable>
{
    IDataTable()          = default;
    virtual ~IDataTable() = default;

    virtual cudf::size_type count() const = 0;


    TableInfo get_info() const;


    MutableTableInfo get_mutable_info() const;

    virtual const pybind11::object& get_py_object() const = 0;

  private:
    virtual TableInfoData get_table_data() const = 0;

    // Used to prevent locking to shared resources. Will need to be a boost fibers
    // supported mutex if we support C++ nodes with Fiber runables in the future
    mutable std::shared_mutex m_mutex{};
};  // end of group
}  // namespace morpheus