Re: My object disappear when I restart ozone.

problems is solve by change from LocalDatabase to ExternalDatabase
How do i back to use LocalDatabase?

Apirak Panatkool

e-mail [email protected]
phone 01-4033320
On Apr 1, 2004, at 11:15 PM, Dr Brendan Gowing wrote:

>
> You're creating a new object on *ANY* exception??!!? That is probably
> *really* dangerous and not what you want to do. Rewrite your code to 
> check
> for a null obj instead and test again.
>
> -BG
>
>
>
>> Hi
>>
>> I really need your help. my program working very well if I did not
>> shutdown it. I can create insert delete. I can restart my application
>> and reconnect to my database but when I restart ozone my database will
>> disappear. I can't get object from "db.objectForName(ObjName);". It
>> return null.
>>
>> this is my init and main method
>>
>>
>>      public void init(OzoneInterface database){
>>          db = database;
>>
>>          String name = MetCollectionImpl.class.getName();
>>
>>          Object obj = null;
>>
>>          try{
>>            System.out.println("looking Object name "+ObjName+" from 
>> db");
>>            obj = db.objectForName(ObjName);
>>            metc = (MetCollection)obj;
>>            System.out.println("get "+metc.getName()+" read ");
>> testRead();
>>            testReadComplicate();          testDelete();
>>
>>          }catch(Exception e){
>>            try { //Create new DB
>>                System.out.println("can't looking for object because:
>> "+e);
>>                obj = db.createObject(name, 0,ObjName);
>>                System.out.println("create obj name:"+ obj);
>>
>>                metc = (MetCollection) obj;
>>
>>                metc.setName("OzoneMetBroker2");
>>                System.out.println("ObjectDB name: "+metc.getName()+" 
>> was
>> created by me");
>>
>>                testCreate();
>>            } catch(Exception e2) {
>>                System.out.println("Can't create DB: "+ e2);
>>            }
>>          }
>>      }
>>
>> public static void main(String[] args) throws Exception{
>>
>>        System.out.println("Start Local");
>>
>>        String dbDir = "/java/testozone/ozon";
>>        System.out.println("Opening database at "+ dbDir);
>>        LocalDatabase database = new LocalDatabase();      if
>> (!database.exists(dbDir)){
>>             database.create(dbDir);
>>        }
>>        database.open(dbDir, OzoneDebugLevel.ERROR_STR);
>>
>>        database.reloadClasses();
>>        System.out.println("connect to ozone complete: "+database);
>>
>>        MetTest msi = new MetTest();
>>        msi.init(database);
>>        System.out.println("end test");
>>      }
>>
>>
>>
>>
>> please give me some suggestion or some comment what should be wrong in
>> my code.
>> Thank you very much.
>>
>> Apirak Panatkool
>>
>> e-mail [email protected]
>> phone 01-4033320
>
>
>
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