About API

forum_thread

Entity factory

Hi, is it possible to create Entities with a custom factory? I want to create Entity instances via dependency injection like: ... instances inside his application and add this listener via API call to ObjectDB (like . Is it possible to implement such a ...

 
forum_thread

ObjectDB and JPA

Hello !! I am new in JPA / ObjectDB development and I have many questions:   ... this list ). Hibernate supports JPA + its own old API + extensions. ObjectDB supports also JDO. But in the JPA context Hibernate ...

 
forum_thread

Future JDO versions?

We are about to release our first product using ObjectDB (as a small embedded store), and soon hope to release a much larger product using ObjectDB (will need an OEM license).  What really interests us is JDO.  We have been using JDO for over a decade and have found it consistently a far better API than JPA, as all kinds of features that are optional or require special extensions in JPA products, (such as large query optimisation, storage of collections of non-entities and automated management of identity) are built-in to JDO.... over a decade and have found it consistently a far better API than JPA, as all kinds of features that are optional or require special ...

 
issue

Better OSGI Compability

We are currently using objectdb using osgi. However, the objectdb jar seems to be very monolithic and should be more modular to make it easier to use it with osgi, samples are: - Remove SWING dependency from core objectdb bundle - Externalize persistence and jdo apis and not putting them into objectdb jar (conflicts with glassfish jars otherwise) - Build objectdb as ready-made osgi jar bundle (We're doing this currently) Feature Request Version: 2.2.3 Priority: Normal Status: Fixed Replies: 2 Type:  Feature Request ...

 
manual

ObjectDB Developer's Guide

... applications using ObjectDB and JPA (Java Persistence API). The main purpose of this guide is to make you productive with ObjectDB ...

 
api-jpa

unwrap(cls)

Return an object of the specified type to allow access to the provider-specific API.(Method of javax.persistence.Query)

 
api-jdo

FetchGroup.DEFAULT

For use with addCategory and removeCategory calls.(Static Field of javax.jdo.FetchGroup)

 
forum_thread

Log is almost empty (log level 'trace')

Hi, Using 2.4.6_01 version on Linux (2.6.18, VPS)..  Just wondering what should I suppose to see in a log file with a log level 'trace'/'debug'.. Trying to fix an issue that server version sometimes accidentally quits without any notice.. My log file (independently on whats specified in config file) has only database open/close messages, some query.compiler info but nothing more..  Is that right behaviour? Are there are server statistics API/logs available? Regards, ... Is that right behaviour? Are there are server statistics API/logs available? Regards, Yuri ...

 
api-jpa

javax.persistence.criteria.SetJoin

The SetJoin interface is the type of the result of joining to a collection over an association or element collection that has been specified as a java.util.Set.(Interface of JPA)

 
api-jpa

javax.persistence.criteria.ListJoin

The ListJoin interface is the type of the result of joining to a collection over an association or element collection that has been specified as a java.util.List.(Interface of JPA)