Fast Object Database for Java - with JPA/JDO support

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11

Internal objectdb error when open a database or open an entity manager

we get following exception when we open a database or open an entity manager Exception in thread "ODB IndexActivation" [ObjectDB 2.6.6_06] Unexpected exception (Error 990) Generated by Java HotSpot(TM) 64-Bit Server VM 1.8.0_51 (on Windows 7 6.1). Please report this error on http://www
11

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

the entity object is loaded. But the effect on performance is expected to be minimal, and the database size will not change. support Support
11

NPE after an @embedded obj is updated for a detached entity

I have an entity that looks like this: class User {     @embedded private Profile profile;     ... } After running something like this:     User user = entityManager.createQuery("select......     entityManager.detach(user);     user.getProfile().setDescription("Something... I
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How to move @Embedable collection to a dedicated entity class?

Hello I am using embedded objectdb in a 4 years old project. Over the years the data got bigger and now I want to make some performce improvements for some specific part of the code. Lets say we have a Parent and Child class with onetomany relation @Entity class Parent { @Id Long id
11

How do I Remove an entity from the Database ?

Hi I no longer want to use an Entity .. (in SQL terms the whole Table ) ... How do I delete it ? Thanks Paul Newman pnewman Paul Newman Currently classes cannot be removed but this only affects the list of classes in the Explorer. Removing of classes will be supported in the future. support Support
11

Problem of Enhancer with JAXB / Proxified Entity Bean.

Hello Support, I run on a prod server an objectdb java agent with my app. In this application, all my entities beans are constructed from a JAXBContext ( SOAP CXF Webservice or Direct JAXB Unmarshalling ) When i watch the objectdb log, i see pages of errors. Not Enhanced: com/test/MyBean
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Collection update does not increase entity version and is not persisted

Hello, I found a bug when adding elements to a collection of Entities: Event { Collection attachments; void addAttachment(Attachment attachment) { this.attachments.add(attachment); } } Attachment { String filename } If I call this method
11

Literals in JPQL and Criteria Queries

. 'abc'), enum literals (e.g. mypackage.MyEnum.MY_VALUE) and entity type literals (e.g. Country). JPQL ... } Then example.ui.Color.RED is a valid literal in JPQL, but Color.RED is not. Entity Type Literals Entity type literals represent entity types in JPQL, similar to the way that java.lang.Class instances in
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Apache License, Version 2.0, January 2004

of this document. "Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License. "Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity
11

Using your own classes in the entity class?

Using your own classes in the entity class?

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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