Re: reference to the database

On Wed, 2004-03-17 at 07:04, Wong Liong Hung wrote:
> How to get the reference to the database in a non-ozone object? As I know
> this can be done in a OzoneObject by invoking database().
> 
> I try to use Env.theEnv.database or Env.currentEnv().database, however, I
> got the following exception:-
> 
> Exception in thread "main" java.lang.NullPointerException
>         at org.ozoneDB.Database.objectForName(Database.java:132)
>         at Client.main(Unknown Source)
> 
> 
> db = new LocalDatabase();
> db.open ("D:/Java/ozone-1.1/db");
> db.reloadClasses();
> 
> ....
> 
> //in a non-ozone object
> Env.theEnv.database.objectForName( "auto" );
> 
> Env.currentEnv().database.objectForName( "auto" );
> 
> Note: I'm using ozone version 1.1.

Easiest way is keeping a reference to an OzoneObject from a non-ozone
object. Somewhat more dirty is setting the db object as a static member
of a class.

Cheers,
Leo



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