ObjectDB version 2.8.0

Released on 2019-05-08 (see other available releases).

Note: A newer version is available.

Use of ObjectDB is subject to the ObjectDB Licence agreement
 

Changes in ObjectDB 2.8.0:

  • Improved query plan evaluation and selection (issue #2379issue #2417).
  • Increased the number of combinations examined by the query planner (issue #2379).
  • Excludes old unused classes in the database from licence limits (issue #2412).
  • Added an option to select a query plan using a query hint (see issue #2379).
  • Added logging when the number of allowed entity classes is exceeded (feature request #2412).
  • Added logging to diagnose unexpected duplicate index entry (issue #2403).
  • Fixed a bad optimisation in query execution (issue #2432).
  • Fixed an activation issue with some Java versions.
  • Fixed an InternalException (issue #2153, see also issue #2027).
  • Fixed long compilation time of queries with many (>10) JOINs (issue #2423)
  • Fixed the new option in 2.7.6_01 to select a query plan using a query hint (see issue #2379).
  • Fixed a critical bug in index based query execution (issue #2414).
  • Fixed a bug in loading a TreeSet lazily (issue #2407).
  • Fixed an unexpected internal exception in query result cache (issue #2406).

See the full change log.
 

ObjectDB with Maven

To use ObjectDB in your Java Maven project merge the following repositpory and dependencies into your pom.xml file:

    <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>2.8.0</version>
        </dependency>
        <dependency>
            <groupId>org.eclipse.persistence</groupId>
            <artifactId>javax.persistence</artifactId>
            <version>2.1.0</version>
        </dependency>
        <dependency>
            <groupId>javax.transaction</groupId>
            <artifactId>jta</artifactId>
            <version>1.1</version>
        </dependency>

            ...
    </dependencies>

ObjectDB 2.8.0 Maven files:

objectdb-2.8.0.jar objectdb-2.8.0.jar.md5 objectdb-2.8.0.jar.sha1
objectdb-2.8.0.pom objectdb-2.8.0.pom.md5 objectdb-2.8.0.pom.sha1

 

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 JPA and JDO APIs.
  • JavaDoc of the JPA and JDO APIs.
  • The complete ObjectDB Manual in PDF format.