ObjectDB 2.6.4

Released on 2015-10-13 (see other available releases).

A newer version is available.

Use of ObjectDB is subject to the ObjectDB Licence

Changes in ObjectDB 2.6.4

  • Added memory only database mode.
  • Added an option to cascade detachment to embedded objects.
  • Added an option to disable reuse of database page objects.
  • Improved release of query resources.
  • Improved memory management in multi flush transactions.
  • Extended detachment of embedded objects to collections.
  • Fixed large transaction temporary files implementation (feature request #1658).
  • Fixed a bug in handling large objects with long primary keys as query results (issue #1717).
  • Fixed detachment of embedded objects to collections.
  • Fixed database page objects reuse to release to be cleared on EntityManagerFactory close.
  • Fixed a bug in hierarchy schema upgrade.
  • Fixed a bug in schema upgrade that includes both class and field renaming.

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>2.6.4</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.