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JDO Doc
49

Constants.OPTION_CHANGE_APPLICATION_IDENTITY

Static Field javax.jdo.Constants String OPTION_CHANGE_APPLICATION_IDENTITY "javax.jdo.option.ChangeApplicationIdentity" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()
Manual
20

Updating JPA Entity Objects

persistence, which means that changes are detected and handled automatically. Transparent Update ... yet are also persisted. Automatic Change Tracking As shown above, an update is achieved by modifying a managed ... the update. Therefore, to be able to apply database updates on commit, ObjectDB must detect changes
Forum
18

Request clarification of changes to accessor enhancement policy (non-getter prefix instead of getter suffix) AND annotations

In response to the forum posting http://www.objectdb.com/database/forum/994 changes ... that this change massively tripped me up (because I was using the old hidden getter/setter pattern with reflection ... property method names. This change is a huge GOTCHA, and should be announced somehow via some special
Forum
18

Remove an entity which attributes were changed - OptimisticLockException

and the entity is passed to plugin B. Plugin B changes an attribute on the entity. Plugin C removes ... , it works well. Why the ObjectDB want to commit the changes of the entity although the entity ... . this could also be demonstrated by a non OSGi application: User 1 retrieves an object and changes it. User 2 retrieves
Forum
18

Primary key generation problem after changing entity package

Hi, I changed package name for some of my entities in database. I added info in of my configuration file - and the changes have been succesfully made in database. Unfortunately, sequences have been probably lost for changed entity classes. After schema change I
Forum
18

Schema Update: class hierarchy change

Hello, we try to change the class hierarchy of an Entity. You wrote www.objectdb.com/database/forum ... hierarchy change.   But our small test failed: At first create a DataBase with one Object of MyEntity ... ;     @Basic   String value; } } Then we change the class hierarchy of MyEntity from NamedEntity
Forum
17

Date field Index is corrupted due to time change

change during the life of the system as it is large enough to contain all objects we ever want to store ... of October at 3am. We think this is significant as this is exactly the time when Madrid changed clocks ... ) ... 17 more   It will be beneficial to us to know if time change, in particular back one hour
Forum
17

Change path for urls2.xml file

the program still creates objectdb/urls2.xml in my system user folder. Is there a setting to change ... of the ObjectDB home path). You can change the user home directory by changing a Java system property:     http://stackoverflow.com/questions/1501235/change-user-home-system-property Thanks
Forum
17

World database - Changing country ID

of cz ). I changed the id of country to "cz". But when I try to find the country: SELECT c FROM Country c WHERE id = "cz" no results are returned. If i find it by name, I can see ID has changed to cz. However Country#ez is still displayed in the top. When I save the changes and close and open
Forum
17

Relationships and tracking changes

" which looks like this: public class Pojo { private transient boolean changed=false; public boolean isChanged(){ return changed; } public void setChanged(boolean changed){ this.changed = changed; } ...as you can see, I tried to manage changes inside of the tables by the hand. So let's say: if I