import freemarker.template.*;
-import webdb.storage.*;
-import webdb.entity.*;
-import webdb.misc.*;
+import mir.storage.*;
+import mir.entity.*;
+import mir.misc.*;
public class DatabaseMediafolder extends Database implements StorageObject{
- private static DatabaseMediafolder instance;
-
- public static DatabaseMediafolder getInstance() throws StorageObjectException {
- if (instance == null) {
- instance = new DatabaseMediafolder();
- instance.myselfDatabase = instance;
- }
- return instance;
- }
-
- private DatabaseMediafolder() throws StorageObjectException
- {
- super();
- this.hasTimestamp = false;
- this.cache = new HashMap();
- this.theTable="media_folder";
- try {
- this.theEntityClass = Class.forName("mir.entity.EntityMediafolder");
- }
- catch (Exception e) { throw new StorageObjectException(e.toString());
- }
- }
-
- public SimpleList getPopupData() {
- return getPopupData("name",true);
- }
+ private static DatabaseMediafolder instance;
+
+ // the following *has* to be sychronized cause this static method
+ // could get preemted and we could end up with 2 instances of DatabaseFoo..
+ // see the "Singletons with needles and thread" article at JavaWorld -mh
+ public synchronized static DatabaseMediafolder getInstance()
+ throws StorageObjectException {
+ if (instance == null) {
+ instance = new DatabaseMediafolder();
+ instance.myselfDatabase = instance;
+ }
+ return instance;
+ }
+
+ private DatabaseMediafolder() throws StorageObjectException
+ {
+ super();
+ this.hasTimestamp = false;
+ //this.cache = new DatabaseCache(20);
+ this.theTable="media_folder";
+ }
+
+ public SimpleList getPopupData() throws StorageObjectException {
+ return getPopupData("name",true);
+ }
}