Fast Object Database for Java - with JPA/JDO support

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ClassCastException of same object type

is to eventually have the application used over a network via the server. So having

Trouble viewing db in Explorer.

I am having trouble with the Explorer. I can open the db just fine. I can open a few simple extents and view/navigate fine also. The problem occurs when I view the more complex extents. The Explorer will not repaint the right pane. I drag off screen to force repaint and get(right pane): (column1

Multiple MEMBER OF query

Hello, Having an entity Items that have a collection field called labels, I need to find items that have two specific labels. @Entity public class Items { private List

Recommendation - concurrent access multiple class v

of a class. I would really need your advice on this, because having 100% uptime is mandatory

Calendar in Criteria Querys

Hi, i am having troubles creating criteria querys for Calendar objects. As far as I can see CriteriaBuilder has no methods for checking if one Calendar is bevor or after another. Javas Calendar Class got such methods, but i dont know how to use those in my query. suez Tobias JPA supports 3 temporal

Join query problem with new statetment

an embeddable class to entity class, which results in having a class with mixed objects in the database

Issue with DISTINCT Select

, what is the desired, JPA-Conform way of NOT having a result with doubled $1 and stilll use

Cascade delete with unidirectional mapping

Suppose entity A is referenced from entity B, like (A -> * B) but not actually having that reference, instead only B has @ManyToOne relationship to A and A has none. Is there a way to cascade delete of B's when deleting A? Or this should be done programatically with separate call to database

Can't open replicated database

the problem but I'm not having much joy replicating the exact circumstances which cause it. I'll send

JBoss 7.1 and EAP 6 support

I understand that keeping up with a new version can be difficult. Having said that, JBoss 7.1.1 Final was released in early March and Enterprise Application Platform (EAP) 6, the fully supported version by RedHat which is based on 7.1, has been released recently. I would really like to use ObjectDB

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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