attribute_specifier.hpp

Go to the documentation of this file.

// Copyright (c) 2024 Contributors to the Eclipse Foundation
//
// See the NOTICE file(s) distributed with this work for additional
// information regarding copyright ownership.
//
// This program and the accompanying materials are made available under the
// terms of the Apache Software License 2.0 which is available at
// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
// which is available at https://opensource.org/licenses/MIT.
//
// SPDX-License-Identifier: Apache-2.0 OR MIT
 
#ifndef IOX2_ATTRIBUTE_SPECIFIER_HPP
#define IOX2_ATTRIBUTE_SPECIFIER_HPP
 
#include "attribute_error.hpp"
#include "iox2/attribute_error.hpp"
#include "iox2/attribute_set.hpp"
#include "iox2/bb/expected.hpp"
 
namespace iox2 {
 
class AttributeSpecifier {
  public:
    AttributeSpecifier();
    AttributeSpecifier(const AttributeSpecifier&) = delete;
    AttributeSpecifier(AttributeSpecifier&&) noexcept;
    ~AttributeSpecifier();
 
    auto operator=(const AttributeSpecifier&) -> AttributeSpecifier& = delete;
    auto operator=(AttributeSpecifier&&) noexcept -> AttributeSpecifier&;
 
    auto define(const Attribute::Key& key, const Attribute::Value& value)
        -> bb::Expected<void, AttributeDefinitionError>;
 
    auto attributes() const -> AttributeSetView;
 
  private:
    template <ServiceType>
    friend class ServiceBuilderEvent;
    template <typename, typename, ServiceType>
    friend class ServiceBuilderPublishSubscribe;
    template <typename, typename, typename, typename, ServiceType>
    friend class ServiceBuilderRequestResponse;
    template <typename, ServiceType>
    friend class ServiceBuilderBlackboardCreator;
 
    void drop();
 
    iox2_attribute_specifier_h m_handle = nullptr;
};
} // namespace iox2
 
#endif