Fast Object Database for Java - with JPA/JDO support

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Class loading problem with private packages in OSGi environment

the classloader of the bundle of the entity. And not his own. The change of the context class loader ... classes and interfaces in other bundles if they are exported. ObjectDB needs the ability to access these types directly and not just by loading the implementing classes (for the persistent interfaces

Add class to objectdb ?

Hello , i've made blank db project and opened with explorer.jar How can i add class file then push ... ? How can i add classes? kadirbasol Kadir BASOL I've clicked on create & persist button ... ( kadirbasol Kadir BASOL Currently to add new classes in the explorer

JPA Metamodel API

details on managed classes and persistent fields and properties, similarly to the ability that Java ... to retrieve sets of types: // Get all the managed classes: // (entity classes, embeddable classes, mapped super classes) Set allManagedTypes = metamodel.getManagedTypes

Items in list are doubled, when the entity class is not enhanced

Dear all, I have a problem with adding items (entities) into other entity list. When the classes are not enhanced, added items are doubled. Here is an example: @Entity public class Customer ... and setters } @Entity public class Item implements Serializable { private static

Field in Generic Class not persisted?

Hi, I am trying to persist a class which is extended from an generic class - but fields declared inside the generic class are not persisted - is that expected? I assume it can be done b/c this field ... ; @Entity public class OBJ6 extends ABS{      @Id @GeneratedValue long id

How prevent post-compile enhancement of non entity classes


boolean field flips after schema update (in class) of another field

We have added a boolean field to a class with default value false. After deployment on several instances the values of other boolean fields in the same class (next to the new one) flip or change ... and is currently 2.8.3. itsme Martin Petzold This could be related to issue #2621, if this class had many

Exception after update of indices of Entity class

Hello, I changed the index definition of an entity class from @Index()... to @Indices() and now I ... may indicate an issue with an embedded class with no indexes or fields (which maybe had indexes before). Have you changed the indexes of an embedded class? support Support Hello, here are my classes

Retrieve data of all entity classes in a single query

I have in an objectdb file 10 Entity Classes with some data in each (Athlete, Trainer, Stadium etc) This is the code I use to retrieve all Managed Types and data for the Athlete class Metamodel ... + " s"; // This works for all classes TypedQuery query = em.createQuery(tmpQuery

Does ObjectDB create one instance of each entity class on (web app) load ?

can also see that for Abstract bases of entities it is creating one instance with an instrumented class name. For example, if the abstract entity class is com.example.Common then there is exactly one instance in memory of class webel Dr Darren Kelly This is correct. ObjectDB keeps one delegate

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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