pipeline.hpp

// Copyright 2014 MongoDB Inc.
//
// 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 <cstdint>
#include <string>
#include <memory>

#include <bsoncxx/document/view.hpp>
#include <bsoncxx/document/view_or_value.hpp>

#include <mongocxx/config/prelude.hpp>

namespace mongocxx {
MONGOCXX_INLINE_NAMESPACE_BEGIN

class collection;

class MONGOCXX_API pipeline {
   public:
    pipeline();

    pipeline(pipeline&&) noexcept;

    pipeline& operator=(pipeline&&) noexcept;

    ~pipeline();

    pipeline& group(bsoncxx::document::view_or_value group);

    pipeline& limit(std::int32_t limit);

    pipeline& lookup(bsoncxx::document::view_or_value lookup);

    pipeline& match(bsoncxx::document::view_or_value filter);

    pipeline& out(std::string collection_name);

    pipeline& project(bsoncxx::document::view_or_value projection);

    pipeline& redact(bsoncxx::document::view_or_value restrictions);

    pipeline& sample(std::int32_t size);

    pipeline& skip(std::int32_t skip);

    pipeline& sort(bsoncxx::document::view_or_value ordering);

    pipeline& unwind(std::string field_name);

    bsoncxx::document::view view() const;

   private:
    friend class collection;

    class MONGOCXX_PRIVATE impl;
    std::unique_ptr<impl> _impl;
};

MONGOCXX_INLINE_NAMESPACE_END
}  // namespace mongocxx

#include <mongocxx/config/postlude.hpp>