ArtistDao.java

/**
 * Copyright (C) 2013 Johannes Schnatterer
 *
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This file is part of nusic.
 *
 * nusic is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * nusic is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with nusic.  If not, see <http://www.gnu.org/licenses/>.
 */
package info.schnatterer.nusic.data.dao;

import info.schnatterer.nusic.data.DatabaseException;
import info.schnatterer.nusic.data.model.Artist;

public interface ArtistDao extends GenericDao<Artist> {
    /**
     * Finds out of if artist with a specific
     * {@link Artist#getAndroidAudioArtistId()} exists.
     * 
     * @param androidId
     * @return the {@link Artist} containing ID and dateCreated, if existing.
     *         Otherwise <code>null</code>.
     */
    Artist findByAndroidId(long androidId)
            throws DatabaseException;

    /**
     * Finds out of if artist with a specific
     * {@link Artist#getAndroidAudioArtistId()} exists.
     * 
     * @param androidId
     * @return the {@link Artist#getId()} of the artist if the artist exists.
     *         Otherwise <code>null</code>.
     * @throws DatabaseException
     */
    Long findIdByAndroidId(Long androidAudioArtistId) throws DatabaseException;

    /**
     * Set <code>isHidden</code> to <code>false</code> for all {@link Artist}s.
     * 
     * @throws DatabaseException
     */
    void setIsHiddenFalse() throws DatabaseException;
}