private static DatabaseContentToMedia instance;
- public static DatabaseContentToMedia getInstance()
+ // 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 DatabaseContentToMedia getInstance()
throws StorageObjectException {
if (instance == null) {
instance = new DatabaseContentToMedia();
super();
this.hasTimestamp = false;
this.theTable="content_x_media";
+ try { this.theEntityClass = Class.forName("mir.entity.GenericEntity"); }
+ catch (Exception e) { throw new StorageObjectException(e.toString()); }
}
/**
throw new StorageObjectException("-- hasMedia failed: content is NULL");
}
}
-
+