// Copyright 2020 Proyectos y Sistemas de Mantenimiento SL (eProsima).

//

// 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.

/**

 * @file IDataSharingNotifier.hpp

 */

#ifndef RTPS_DATASHARING_IDATASHARINGNOTIFIER_HPP

#define RTPS_DATASHARING_IDATASHARINGNOTIFIER_HPP

namespace eprosima {

namespace fastdds {

namespace rtps {

struct GUID_t;

class IDataSharingNotifier

{

public:

    IDataSharingNotifier() = default;

    virtual ~IDataSharingNotifier() = default;

    /**

     * Links the notifier to a reader that will be notified

     * @param reader_guid GUID of the reader to notify

     */

    virtual void enable(

            const GUID_t& reader_guid) = 0;

    /**

     * Unlinks the notifier and its reader

     */

    virtual void disable() = 0;

    /**

     * @return whether the notifier is linked to a reader or not

     */

    virtual bool is_enabled() = 0;

    /**

     * Notifies to the reader

     */

    virtual void notify() = 0;

};

}  // namespace rtps

}  // namespace fastdds

}  // namespace eprosima

#endif  // RTPS_DATASHARING_IDATASHARINGNOTIFIER_HPP