Program Listing for File serialize.hpp
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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.
*/
#pragma once
#include "morpheus/messages/meta.hpp" // for MessageMeta
#include "morpheus/messages/multi.hpp"
#include <boost/fiber/future/future.hpp>
#include <mrc/node/rx_sink_base.hpp>
#include <mrc/node/rx_source_base.hpp>
#include <mrc/node/sink_properties.hpp>
#include <mrc/node/source_properties.hpp>
#include <mrc/segment/builder.hpp>
#include <mrc/segment/object.hpp>
#include <mrc/types.hpp>
#include <pymrc/node.hpp>
#include <rxcpp/rx.hpp> // for apply, make_subscriber, observable_member, is_on_error<>::not_void, is_on_next_of<>::not_void, from
// IWYU pragma: no_include "rxcpp/sources/rx-iterate.hpp"
#include <map>
#include <memory>
#include <regex>
#include <string>
#include <vector> // for vector
namespace morpheus {
/****** Component public implementations *******************/
/****** SerializeStage********************************/
#pragma GCC visibility push(default)
class SerializeStage : public mrc::pymrc::PythonNode<std::shared_ptr<MultiMessage>, std::shared_ptr<MessageMeta>>
{
public:
using base_t = mrc::pymrc::PythonNode<std::shared_ptr<MultiMessage>, std::shared_ptr<MessageMeta>>;
using typename base_t::sink_type_t;
using typename base_t::source_type_t;
using typename base_t::subscribe_fn_t;
SerializeStage(const std::vector<std::string>& include,
const std::vector<std::string>& exclude,
bool fixed_columns = true);
private:
void make_regex_objs(const std::vector<std::string>& regex_strs, std::vector<std::regex>& regex_objs);
bool match_column(const std::vector<std::regex>& patterns, const std::string& column) const;
bool include_column(const std::string& column) const;
bool exclude_column(const std::string& column) const;
std::shared_ptr<SlicedMessageMeta> get_meta(sink_type_t& msg);
subscribe_fn_t build_operator();
bool m_fixed_columns;
std::vector<std::regex> m_include;
std::vector<std::regex> m_exclude;
std::vector<std::string> m_column_names;
};
/****** WriteToFileStageInterfaceProxy******************/
struct SerializeStageInterfaceProxy
{
static std::shared_ptr<mrc::segment::Object<SerializeStage>> init(mrc::segment::Builder& builder,
const std::string& name,
const std::vector<std::string>& include,
const std::vector<std::string>& exclude,
bool fixed_columns = true);
};
#pragma GCC visibility pop// end of group
} // namespace morpheus