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manual

Paths and Types in JPQL and Criteria API

Explains how to use object expressions (path navigation, type) in JPA/JPQL.... Type Expressions The TYPE operator (which is new in JPA 2) returns the type of a specified argument, similarly to ...

 
manual

Logical Operators in JPQL and Criteria API

Explains how to use AND, OR and NOT in JPQL queries.... JavaDoc Reference Page... instances) and return a new Predicate instance: Predicate ...

 
manual

Updating JPA Entity Objects

Explains how to use JPA to delete (remove) entity objects from the database.... employee. projects [ 0 ] = new Project ( ) ; // not detected automatically ...

 
issue

Add Type level permissions to ObjectDB Server

It would be useful if instead of creating a web service layer on top of a database, I could just set up permissions to entities and entity variables for client connections. This would be beneficial when providing specific raw data where additional business logic is not required. I suppose you could create transient entities for data that does require additional business logic though. ... a style in the toolbar and then insert the text in the new created block. Avoid overflow of published source code ...

 
forum_thread

Database crash

just running objectdb we run into a crash situation as described in the attached log. What can be the reason for such a behaviour ?   ... a style in the toolbar and then insert the text in the new created block. Avoid overflow of published source code ...

 
forum_thread

JBoss 7 startup fails

Hi, I was having a go with entity beans 3.x jboss 7, objectdb and the guestbook web application but cannot come out of the swamp. I use eclipse indigo as IDE The "src" folder contains the pachake guest and within the classes: Guest.java, GuestListener.java and GuestServlet.java The WebContent/META-INF dir contains: context.xml ... a style in the toolbar and then insert the text in the new created block. Avoid overflow of published source code ...

 
forum_thread

Problem upgrading

Hello! We are trying to upgrade from 2.6.3 to 2.6.6. Now our application throws an exception. It's generating endless log files. I had to turn up Xmx to even see it before the JVM crashes. (Our web framework tried to show the exception on the client) I did a full rebuild of the project. It's using the right version of the enhancer. There are no code errors. If I change everything back to 2.6.3 it starts to work again. Any ideas? Best Regards   Here's a part of the output: ... a style in the toolbar and then insert the text in the new created block. Avoid overflow of published source code ...

 
manual

Database Replication and Clustering

Replication enables maintaining up to date version of an ObjectDB database on multiple nodes.... , under the server data root directory. Starting a new replication of an existing master database requires copying the existing ...

 
manual

Server User List

Explains how to define and set users, directories and permissions in the ObjectDB fast Java database server for JPA/JDO.... of a database. create - permission to create new subdirectories and database files. delete - permission to delete ...

 
api-jdo

javax.jdo.spi.JDOPermission

The JDOPermission class is for operations that are reserved for JDO implementations and should not be called by other code.(Class of JDO)