# AlbumMedia.java

    /*
     * Copyright (C) 2000 - 2024 Silverpeas
     *
     * This program is free software: you can redistribute it and/or modify
     * it under the terms of the GNU Affero General Public License as
     * published by the Free Software Foundation, either version 3 of the
     * License, or (at your option) any later version.
     *
     * As a special exception to the terms and conditions of version 3.0 of
     * the GPL, you may redistribute this Program in connection with Free/Libre
     * Open Source Software ("FLOSS") applications as described in Silverpeas's
     * FLOSS exception.  You should have received a copy of the text describing
     * the FLOSS exception, and it is also available here:
     * "https://www.silverpeas.org/legal/floss_exception.html"
     *
     * This program 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 Affero General Public License for more details.
     *
     * You should have received a copy of the GNU Affero General Public License
     * along with this program.  If not, see <https://www.gnu.org/licenses/>.
     */

    package org.silverpeas.components.gallery.model;

    import org.silverpeas.core.node.model.NodePK;

    import java.io.Serializable;

    import static org.silverpeas.components.gallery.service.MediaServiceProvider.getMediaService;

    /**
     * Represents a couple of an album and a media.
     * <p>
     * It is useful when manipulating data that have just been created, updated or deleted.
     * </p>
     * @author silveryocha
     */
    public class AlbumMedia implements Serializable {
      private static final long serialVersionUID = -8463214847935683882L;

      private final String albumId;
      private final Media media;

      private AlbumDetail album;

      public AlbumMedia(final String albumId, final Media media) {
        this.media = media;
        this.albumId = albumId;
      }

      /**
       * Gets the identifier of the album which has been concerned by the manipulation of the
       * {@link Media}.
       * @return a string.
       */
      public String getAlbumId() {
        return albumId;
      }

      /**
       * Gets the {@link AlbumDetail} which has been concerned by the manipulation of the {@link Media}.
       * @return the cached {@link AlbumDetail}.
       */
      public AlbumDetail getAlbum() {
        if (album == null) {
          album = getMediaService().getAlbum(new NodePK(albumId, media.getInstanceId()));
        }
        return album;
      }

      /**
       * The media.
       * @return a {@link Media}.
       */
      public Media getMedia() {
        return media;
      }
    }