ObjectDB 2.2.4

Released on 2011-05-09 (see other available releases).

A newer version is available.

Use of ObjectDB is subject to the ObjectDB Licence

Changes in ObjectDB 2.2.4

  • Added support of JPA UPDATE and DELETE queries (issue #12).
  • Added support of pessimistic lock timeout (javax.persistence.lock.timeout).
  • Added implementation of the getParameters method.
  • Added exception on pessimistic locking retrieval with no active transaction.
  • Improved support of entity objects in criteria queries.
  • Improved Explorer performance by disabling EAGER fetch.
  • Fixed critical bugs in using flush.
  • Fixed bugs in cascading merge.
  • Fixed a multithreading deadlock bug.
  • Fixed a bug in using JOIN FETCH with DISTINCT.
  • Fixed Metamodel API's getTypeId method to support single ID field.

See the full change log.

ObjectDB with Maven

To use ObjectDB in a Java Maven project add the ObjectDB repositpory and dependency to the pom.xml file.

Use Java 8 or above with the javax variant and Java 17 or above with the jakarta variant.

<repositories>
			...
	<repository>
		<id>objectdb</id>
		<name>ObjectDB Repository</name>
		<url>https://m2.objectdb.com</url>
	</repository>
			...
</repositories>
			...
<dependencies>
			...
	<dependency>
		<groupId>com.objectdb</groupId>
		<artifactId>objectdb</artifactId>
		<version>2.2.4</version>
	</dependency>
			...
</dependencies>

Maven files:

ObjectDB Development Kit

The ObjectDB Development Kit includes:

  • The ObjectDB runtime JAR (available also on Maven).
  • The GUI ObjectDB Explorer.
  • Sample ObjectDB databases that you can open in the Explorer.
  • Command line tools for running the ObjectDB Server and the ObjectDB Enhancer.
  • A sample objectdb.conf configuration file.
  • Source code of the Java / Jakarta Persistence API (JPA).
  • JavaDoc of the Java / Jakarta Persistence API (JPA).
  • The complete ObjectDB Manual in PDF format.