Program Listing for File data_table.cpp

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/* * SPDX-FileCopyrightText: Copyright (c) 2021-2023, 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. */ #include "morpheus/objects/data_table.hpp" #include "morpheus/objects/table_info.hpp" #include "morpheus/objects/table_info_data.hpp" #include <glog/logging.h> #include <pybind11/gil.h> #include <mutex> #include <ostream> #include <shared_mutex> #include <utility> namespace morpheus { TableInfo IDataTable::get_info() const { CHECK_EQ(PyGILState_Check(), 0) << "Cannot hold the Python GIL when accessing `get_info()`. Please release it first or deadlocks may occur."; // Get a shared lock while we get the table info (prevents mutation) std::shared_lock lock(m_mutex); // Get the table info data auto table_info_data = this->get_table_data(); // From this, create a new TableInfo return {this->shared_from_this(), std::move(lock), std::move(table_info_data)}; } MutableTableInfo IDataTable::get_mutable_info() const { CHECK_EQ(PyGILState_Check(), 0) << "Cannot hold the Python GIL when accessing `get_mutable_info()`. Please release " "it first or deadlocks may occur."; // Get a unique lock while we get the table info (prevents mutation) std::unique_lock lock(m_mutex); // Get the table info data auto table_info_data = this->get_table_data(); // From this, create a new TableInfo return {this->shared_from_this(), std::move(lock), std::move(table_info_data)}; } } // namespace morpheus

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