About @Transactional

manual

Database Management Settings

Explains settings and performance tuning of the ObjectDB Java object database for JPA/JDO. The <database> configuration element specifies back end (database engine) settings which are relevant on the server side and in embedded mode. The default configuration file contains the following <database> element: ...

 
issue

com.objectdb.o.InternalException: null

After an error in a @PrePersist method in an Entity class, the database stopped working. Fortunately this was in development, but still worrying! The Entity class Bug Version: Priority: Normal Status: Active Replies: 5 Type:  Bug ...

 
api-jdo

javax.jdo.annotations.Persistent

Annotation for defining the persistence of a member.(Annotation of JDO)

 
release

2.2.6

Release date: 2011-06-02 Download (5.13 MB) Binary:  objectdb-2.2.6.zip You should start by following a  tutorial or reading the manual ...

 
release

2.5.1

Release date: 2013-05-30 Download (5.43 MB) Binary:  objectdb-2.5.1.zip You should start by following a  tutorial or reading the manual ...

 
forum_thread

Schema evolution & renamed/moved enum

Hello, I have an entity with an attribute of type enum say com.pkg1.MyEnum. I created a few instances of the class with this attribute of type com.pkg1.MyEnum. Now, I moved that enum to a different package and renamed it say com.pkg2.MyNewEnum. When I open my database again, the attribute is null. I don't seem to be able to use the <schema> tag in the config file because my enum is not an entity. What is a the proper way of handling the migration? Thanks, Farid  #1 2015-02-19 21:12 Hello, I have an entity with an attribute of type enum say com.pkg1.MyEnum. I created a few instances of ...

 
forum_thread

Handling deleted references

Hi support team, I have a problem when using DELETE query to delete Entity instances. We use the following hierarchy: #1 2016-11-18 14:34 Hi support team, I have a problem when using DELETE query to delete Entity instances. We use the foll ...

 
forum_thread

Broken @ManyToOne reference

Hi, I have objects of type A belonging to objects of type B, defined as follows: @MappedSuperclass public abstract class A {   @Id   @ManyToOne(fetch = FetchType.EAGER, cascade=CascadeType.ALL, optional=false)   private B b;   @Id   @Column(length = 36)   private String stringId; } @MappedSuperclass public abstract class B {   @Id   private String name; } #1 2013-03-18 14:27 Hi, I have objects of type A belonging to objects of type B, defined as follows: @ MappedSu ...

 
issue

Unexpected error when loading all entity instance

Hi, when going through all entity instance to find orphaned entries we get the exception: Bug Version: 2.7.0 Priority: Critical Status: Fixed Replies: 19 Type:  Bug ...

 
forum_thread

Date field Index is corrupted due to time change

Hi, can you shed some light on why we cannot delete data from the attached DB file. A delete attempt with DB explorer results in the following exception: #1 2015-11-03 06:52 Hi, can you shed some light on why we cannot delete data from the attached DB file. A delete attempt with ...