/*
 * Copyright (c) 2022-2023 Huawei Device Co., Ltd.
 * 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 BASE_NOTIFICATION_DISTRIBUTED_NOTIFICATION_SERVICE_SERVICES_DISTRIBUTED_INCLUDE_DATABASE_CALLBACK_H
#define BASE_NOTIFICATION_DISTRIBUTED_NOTIFICATION_SERVICE_SERVICES_DISTRIBUTED_INCLUDE_DATABASE_CALLBACK_H

#include <string>

#include "kvstore_observer.h"

namespace OHOS {
namespace Notification {
class DistributedDatabaseCallback : public DistributedKv::KvStoreObserver {
public:
    /**
     * @brief Distributed notification Key-Value changed callback function structure.
     */
    struct IDatabaseChange {
        std::function<void(const std::string &deviceId, const std::string &key, const std::string &value)> OnInsert;
        std::function<void(const std::string &deviceId, const std::string &key, const std::string &value)> OnUpdate;
        std::function<void(const std::string &deviceId, const std::string &key, const std::string &value)> OnDelete;
    };

    /**
     * @brief The constructor.
     *
     * @param callback Key-Value changed callback.
     */
    explicit DistributedDatabaseCallback(const IDatabaseChange &callback);

    /**
     * @brief The deconstructor.
     */
    virtual ~DistributedDatabaseCallback();

private:
    void OnChange(const DistributedKv::ChangeNotification &changeNotification) override;

    IDatabaseChange callback_;
};
}  // namespace Notification
}  // namespace OHOS
#endif // BASE_NOTIFICATION_DISTRIBUTED_NOTIFICATION_SERVICE_SERVICES_DISTRIBUTED_INCLUDE_DATABASE_CALLBACK_H