Home » Search

About class

131-140 of 200Refresh
Issue
11

Allow removal of entity class from ObjectDB & Explorer

Hi. It would be very useful to be able to delete an entire entity class from ObjectDB, but especially from Explorer. This is very useful for everyone, but also for clients that don't own a license ... to its data structure. When an entity class becomes unnecessary, we should be able to remove
Issue
11

Explorer bug ? Objects seem to be missing from database in Class view, but are present as references

[]: involveValueOfEntityClassWithinListelInParsel: : valuePropertyName(floatQuantity) from entityClass(class com.greensoft.entity.test ... ) We see that 2 Project objects were created, however in the database Explorer it lists size=0 for Project class
JDO Doc
10

javax.jdo.Query

. There are three required elements in a Query: the class of the results, the candidate collection ... , import statements, ordering and grouping specifications, result and result class, the range ... . The query namespace is modeled after methods in Java: setClass corresponds to the class definition
Forum
10

"Rebuild Class Indexes" from the command line?

Hi, Is there a way to "Rebuild Class Indexes" from the command line? I have just added a new index and want to make sure the DBs with previously persisted entities have a BTree with all entities. http://www.objectdb.com/database/jdo/manual/chapter9 Thanks   Rebuilding an index currently requires
Forum
10

Access objectdb.conf as class loader resource

Hi, is it possible configure ObjectDB so it searches the objectdb.conf file as a class loader resource? Regards, Vladimir If a configuration file is not found at the expected path, then it is loaded as a resource from: META-INF/objectdb.conf Default configuration is included in objectdb.jar as
Forum
10

Does ObjectDB support inheritance of @Embeddable classes?

Does ObjectDB support inheritance of one @Embeddable into another @Embeddable ? Yes. ObjectDB supports hierarchy of embeddable classes. webel
Forum
10

how to persist an object twice into two diff. collections of two diff. classes

DBConnection(); Competition tmpComp = db.getEm().find(Competition.class, actualCompetition
Forum
10

Is it possible get the All PrimKeys for a given entity class in the DB?

Hi, I would like to retrieve all the primKeys (user defined) by doing something like: TypedQuery query = em.createQuery("SELECT mif.primkey FROM MyClass mif", MyClassPrimKey.class); The only alternative I can think of - would be to store the primkey on the object
Forum
10

JDO PersistenceCapable Interface for Enhanced Classes

Hallo,   in old JDO 1.0 project we use the PersistenceCapable interface like this     Model model = new Model();     Model datas List models = new ArrayList();     models.add((PersistenceCapable) model); the interface was enhanced to the class. in the new version we get this java.lang
Forum
10

Query debugging configuration from class

Is there a way to show what queries are actually being executed from within a Java class? I'm getting the exception: Exception in thread "main" [ObjectDB 2.5.4_05] javax.persistence.NonUniqueResultException However, I'm unable to debug it because I don't know what the query's actually searching