ObjectDB 2.9.0

Released on 2024-06-06 (see other available releases).

A newer version is available.

Use of ObjectDB is subject to the ObjectDB Licence. 

Changes in ObjectDB 2.9.0

• Added a new Doctor.run(srcPath, dstPath) static method.
• Added an option to exclude inherited @Id fields in embeddable classes.
• Added support for manual starting of online backup threads (feature request #2855).
• Added support for distinct mapped-by (inverse) fields.
• Improved query plan evaluation.
• Improved automatic schema evolution of enum fields.
• Improved exception throwing from tool threads.
• Improved the error message on exception during commit, reported in issue #2882.
• Fixed A NullPointException when using EntityManagerFactory with different class loaders.
• Fixed a missing call to @PostUpdate when object change is detached by  JDOHelper.makeDirty.
• Fixed a bug of classifying inherited inverse fields as dependent.
• Fixed improper use of indexes on collections of embedded objects (issues #2858 and #2859).
• Fixed a java.lang.ArithmeticException: / by zero error on query execution.
• Fixed a bug in applying OrderBy annotation.
• Fixed opening context menu in the Explorer.

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.

<repositories>
			...
	<repository>
		<id>objectdb</id>
		<name>ObjectDB Repository</name>
		<url>https://m2.objectdb.com</url>
	</repository>
			...
</repositories>
			...
<dependencies>
			...
	<dependency>
		<groupId><b>com.objectdb</b></groupId>
		<artifactId><b>objectdb</b></artifactId>
		<version><b>2.9.0</b></version>
	</dependency>
			...
</dependencies>

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.
• Tutorial projects in Maven format for opening and running in your favourite IDE.
• 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.