/*
- * Copyright (C) 2001, 2002 The Mir-coders group
+ * Copyright (C) 2001, 2002 The Mir-coders group
*
* This file is part of Mir.
*
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* In addition, as a special exception, The Mir-coders gives permission to link
- * the code of this program with the com.oreilly.servlet library, any library
- * licensed under the Apache Software License, The Sun (tm) Java Advanced
- * Imaging library (JAI), The Sun JIMI library (or with modified versions of
- * the above that use the same license as the above), and distribute linked
- * combinations including the two. You must obey the GNU General Public
- * License in all respects for all of the code used other than the above
- * mentioned libraries. If you modify this file, you may extend this exception
- * to your version of the file, but you are not obligated to do so. If you do
- * not wish to do so, delete this exception statement from your version.
+ * the code of this program with any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two. You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries. If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
*/
package mircoders.storage;
+import java.util.Iterator;
+
import mir.entity.Entity;
-import mir.entity.EntityRelation;
+import mir.entity.EntityBrowser;
import mir.log.LoggerWrapper;
import mir.storage.Database;
-import mir.storage.StorageObject;
+import mir.storage.Database;
import mir.storage.StorageObjectFailure;
-/**
- * <b>this class implements the access to the content-table</b>
- *
- *
- */
-
-public class DatabaseUploadedMedia extends Database implements StorageObject {
-
+public class DatabaseUploadedMedia extends Database {
private static DatabaseUploadedMedia instance;
- private static EntityRelation relationMediaType;
-
- // Contructors / Singleton
-
- public static DatabaseUploadedMedia getInstance()
- throws StorageObjectFailure {
+ public synchronized static DatabaseUploadedMedia getInstance() {
if (instance == null ) {
instance = new DatabaseUploadedMedia();
- instance.myselfDatabase = instance;
}
+
return instance;
}
- private DatabaseUploadedMedia()
- throws StorageObjectFailure {
-
+ private DatabaseUploadedMedia() {
super();
logger = new LoggerWrapper("Database.UploadedMedia");
- this.theTable="uploaded_media";
- this.theCoreTable="media";
- relationMediaType = new EntityRelation("to_media_type", "id", DatabaseMediaType.getInstance(), EntityRelation.TO_ONE);
- try { this.theEntityClass = Class.forName("mircoders.entity.EntityUploadedMedia"); }
- catch (Exception e) { throw new StorageObjectFailure(e); }
+ mainTable="uploaded_media";
+ primaryKeySequence="media_id_seq";
+ entityClass = mircoders.entity.EntityUploadedMedia.class;
}
- // methods
-
/**
* returns the media_type that belongs to the media item (via entityrelation)
public Entity getMediaType(Entity ent) throws StorageObjectFailure {
Entity type=null;
try {
- type = relationMediaType.getOne(ent);
+ Iterator i = new EntityBrowser(DatabaseMediaType.getInstance(), ent.getFieldValue("to_media_type") + " = id" , "id", 1);
+ if (i.hasNext())
+ type = (Entity) i.next();
}
catch (Throwable t) {
logger.error("DatabaseUploadedMedia :: failed to get media_type: " + t.getMessage());