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manual

[ODB1] Chapter 7 - JDOQL Queries

Explains how to use JDOQL, the Java/JDO Query Language. There are various ways to retrieve objects from an ObjectDB database, as shown in section 6.3 . An Extent , for instance, can be used to retrieve all the instances of a specified persistent class. When a more selective retrieval is needed, JDOQ ...

 
manual

Chapter 6 - Configuration

Explains how to configure and tune ObjectDB, the fast Java object database for JPA/JDO. The ObjectDB configuration file contains one <objectdb> root element with seven subelements: <objectdb > <general > ... </general > <database > ... </database > ...

 
release

2.0.1

Release date: 2010-10-05 Download (3.39 MB) Binary:  objectdb-2.0.1.zip ObjectDB 2 is already in use in production in several applications and is ...

 
issue

com.objectdb.o.InternalException: null

After an error in a @PrePersist method in an Entity class, the database stopped working. Fortunately this was in development, but still worrying! The Entity class ... javax.swing.RepaintManager$3.run(RepaintManager.java:811) at javax.swing.RepaintManager$3.run(RepaintManager.java:794) at ... javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1680) at ... java.awt.EventQueue$3.run(EventQueue.java:697) at java.awt.EventQueue$3.run(EventQueue.java:691) at ...

 
forum_thread

Should derived fields of an EmbeddedId be manually maintained by app code?

If I have an Entity which has a primary key which is derived and I am implementing it using @EmbeddedId, am I responsible for maintaining the derived fields of the @EmbeddedId? I could not find anything in the JPA 2.0 spec http://download.oracle.com/auth/otn-pub/jcp/persistence-2.0-fr-oth-JSpec/persistence-2_0-final-spec.pdf?e=1317047713&h=54831c176e81a244a4c309e13eba0b27 which tells me what to expect. ... make the whole thing simpler to read. 3) If you run the test case      a) With DEMO_MODE set ...

 
manual

[ODB1] Chapter 4 - JDO Metadata

Shows how to define JDO metadata for persistence capable classes.... instances), otherwise it is ignored by ObjectDB. You can run the Index Rebuilder from the Explorer, as explained in section 9.4 , or ...

 
release

2.0.0

Release date: 2010-09-26 Download (3.39 MB) Binary:  objectdb-2.0.0.zip ObjectDB 2 is already in use in production in several applications and is ...

 
manual

Date and Time in JPQL and Criteria Queries

Shows how date and time can be used in JPQL queries.... execution to reflect the date and time when the query is run. Functions for extracting date and time parts are also available in ...

 
forum_thread

AttachNotSupportedException

Good morning, OS: Windows Server 2008 R2 64 bit Java: Java Server JRE 8u121 for Windows x64 ObjectDB: version 2.6.9 build 5 Problem description: ObjectDB server will start and function normally (?) but an exception is logged: "java.lang.NoClassDefFoundError: com/sun/tools/attach/AttachNotSupportedException" (see attachment to this thread). #1 2017-01-31 10:30 Good morning, OS: Windows Server 2008 R2 64 bit Java: Java Server JRE 8u121 for Windows x64 ...

 
forum_thread

Class loading problem with private packages in OSGi environment

Our Business Objects are the JPA entities. We develop our product domain driven. This means we have several domains. Each domain is split into business layer and persistence layer (others are not relevant here). Per domain and per layer, we have an OSGI bundles. The business layer should have no dependency down (an exception is the dependency to the ObjectDB for the enhanced entities).  The persistence Layers have a dependency to the business layer and to the central DataAccess Layer.... (error 361) at com.objectdb.Explorer$1.run(Explorer.java:57) at java.awt.event.InvocationEvent.dispatch(Unknown ... Source) at java.awt.EventQueue$3.run(Unknown Source) at java.awt.EventQueue$3.run(Unknown Source) at java.security.AccessController.doPrivileged(Native ...