notifications.hpp

 
//
// Copyright 2022 Realm 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.
//
 
#ifndef notifications_hpp
#define notifications_hpp
 
#include <cpprealm/thread_safe_reference.hpp>
#include <cpprealm/internal/bridge/dictionary.hpp>
#include <cpprealm/internal/bridge/list.hpp>
#include <cpprealm/internal/bridge/set.hpp>
 
#include <any>
#include <future>
#include <utility>
 
namespace realm {
template <typename T>
struct ObjectChange;
 
struct notification_token {
    notification_token(const notification_token &nt) noexcept = delete;
    notification_token &operator=(const notification_token &) = delete;
    notification_token(notification_token&& other) noexcept {
        m_token = std::move(other.m_token);
        m_dictionary = std::move(other.m_dictionary);
        m_list = std::move(other.m_list);
        m_set = std::move(other.m_set);
        m_results = std::move(other.m_results);
        m_realm = std::move(other.m_realm);
    };
    notification_token &operator=(notification_token &&other) {
        m_token = std::move(other.m_token);
        m_dictionary = std::move(other.m_dictionary);
        m_list = std::move(other.m_list);
        m_set = std::move(other.m_set);
        m_results = std::move(other.m_results);
        m_realm = std::move(other.m_realm);
        return *this;
    };
    notification_token() = default;
    ~notification_token() = default;
 
    notification_token(internal::bridge::notification_token&& token)
            : m_token(std::move(token)) {}
    void unregister() {
        m_token.unregister();
    }
 
    internal::bridge::notification_token m_token;
    std::shared_ptr<internal::bridge::dictionary> m_dictionary;
    std::shared_ptr<internal::bridge::list> m_list;
    std::shared_ptr<internal::bridge::set> m_set;
    std::shared_ptr<internal::bridge::results> m_results;
    internal::bridge::realm m_realm;
};
 
// MARK: PropertyChange
template <typename T>
struct PropertyChange {
    std::string name;
 
    std::optional<typename decltype(T::schema)::variant_t> old_value;
 
    std::optional<typename decltype(T::schema)::variant_t> new_value;
};
 
} // namespace realm
 
#endif /* notifications_hpp */