// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements.  See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership.  The ASF licenses this file

// to you 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 <gen_cpp/BackendService_types.h>

#include <glog/logging.h>

#include <map>

#include <shared_mutex>

#include <vector>

namespace doris {

class TopicListener;

class TopicSubscriber {

public:

    TopicSubscriber();

    ~TopicSubscriber() = default;

    void register_listener(TTopicInfoType::type topic_type,

                           std::unique_ptr<TopicListener> topic_listener);

    void handle_topic_info(const TPublishTopicRequest& topic_request);

private:

    std::map<TTopicInfoType::type, std::unique_ptr<TopicListener>> _registered_listeners;

    std::shared_mutex _listener_mtx;

};

} // namespace doris