MusicPerformer.java
/*
* *********************************************************************************************************************
*
* blueMarine II: Semantic Media Centre
* http://tidalwave.it/projects/bluemarine2
*
* Copyright (C) 2015 - 2021 by Tidalwave s.a.s. (http://tidalwave.it)
*
* *********************************************************************************************************************
*
* 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.
*
* *********************************************************************************************************************
*
* git clone https://bitbucket.org/tidalwave/bluemarine2-src
* git clone https://github.com/tidalwave-it/bluemarine2-src
*
* *********************************************************************************************************************
*/
package it.tidalwave.bluemarine2.model.audio;
import javax.annotation.Nonnull;
import java.util.Optional;
import it.tidalwave.role.Identifiable;
import it.tidalwave.bluemarine2.model.spi.Entity;
/***********************************************************************************************************************
*
* The association of a {@link MusicArtist} to a role (typically in a {@link Performance}. Roles are stuff such as
* "conductor", "violin player", "soprano", "engineer", and so on.
*
* @stereotype Datum
*
* @author Fabrizio Giudici
*
**********************************************************************************************************************/
public interface MusicPerformer extends Entity, Identifiable
{
public static final Class<MusicPerformer> _MusicPerformer_ = MusicPerformer.class;
/*******************************************************************************************************************
*
* Returns the {@link MusicArtist}.
*
* @return the music artist
*
******************************************************************************************************************/
@Nonnull
public MusicArtist getMusicArtist();
/*******************************************************************************************************************
*
* Returns the role.
*
* @return the role
*
******************************************************************************************************************/
@Nonnull
public Optional<Entity> getRole();
}