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forum_thread

removed objects stay with null field values in the reference

We have a class with a one to many relationship declared like this (1 or more objects of the same class are linked into the relationship, no circular referencing): #1 2014-05-07 19:30 We have a class with a one to many relationship declared like this (1 or more objects of the same class are linke ...

 
manual

Retrieving JPA Entity Objects

Explains how to use JPA to retrieve entity objects from the database. The Java Persistence API (JPA) provides various ways to retrieve objects from the database. The retrieval of objects does not require an active transaction because it does not change the content of the database. The persistence context se ...

 
manual

[ODB1] Chapter 8 - ObjectDB Server

An ObjectDB server can manage one or more databases. Databases that are managed by a server can be accessed by multiple processes simultaneously. In addition, the server supports accessing these databases from remote machines by TCP/IP. More details about client server mode vs. embedded database mode are discussed in Section 1.2.... . The <server> sub element specifies general server settings, and the <users> sub element lists all the registered users. ... in a shared web hosting environment and in educational settings (such as universities and colleges). The following configuration ...

 
forum_thread

How force always recreate database on redeployment.

Is there some easy way to force recreation/deletion of the current database on deployment of a web application (to Glassfish). My web application uses a @Singleton @Startup bean to create and persist a test model each run. I keep getting models on top of each other on rerunning my web application. Currently, to avoid multiple models in the database, I have to undeploy from Glassfish, stop the server, delete the database file, re-start the objectdb server, re-run the web app, which is tedious. #1 2012-03-03 09:32 Is there some easy way to force recreation/deletion of the current database on deployment of a web application (t ...

 
api-jpa

javax.persistence.spi.PersistenceUnitInfo

Interface implemented by the container and used by the persistence provider when creating an javax.persistence.EntityManagerFactory.(Interface of JPA)

 
issue

new objects not available in mappedBy associations

Given a mappedBy association: e.g: @OneToMany(mappedBy="department") public List <Employee> employees;   creating a new mapped class, e.g. new Employee, won't result in this object being available in the same transaction: ie: for (Employee e : department.employee) won't include the new object, even if it is persisted, and even if the transaction is committed??   Bug Version: 2.0.1 Priority: Normal Status: Closed Replies: 6 Type:  Bug ...

 
api-jdo

javax.jdo.Transaction

The JDO Transaction interface provides for initiation and completion of transactions under user control.(Interface of JDO)

 
forum_thread

LIMIT or TOP functions

Is there LIMIT or TOP functions in object db? If so can you provide some examples? #1 2011-12-06 10:22 Is there LIMIT or TOP functions in object db? If so can you provide some examples? ...

 
issue

NullpointerException when execute a commit

Hello, following exception occurs when using objectdb: Bug Version: Priority: High Status: Fixed Replies: 1 Type:  Bug ...

 
issue

Enhanced classes problem

Hell, we have problem with the OEM enhancement licencing. When we used runtime licencing using machine activation code, everything works fine. But when we enhanced our classes with OEM licence, following errors occurs: Bug Version: Priority: High Status: Fixed Replies: 13 Type:  Bug ...