Program Listing for File data_table.hpp

            

            
/*
* SPDX-FileCopyrightText: Copyright (c) 2021-2024, 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