About Object Database

api-jpa

lock(entity, lockMode)

Lock an entity instance that is contained in the persistence context with the specified lock mode type.(Method of javax.persistence.EntityManager)

 
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 ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) edit ...

 
manual

ObjectDB 1.0 Manual

... Developer's Guide. Here you can learn how to develop database applications using ObjectDB and JDO (Java Data Objects), the revolutionary database programming technology by Sun Microsystems. The main purpose of this ...

 
api-jpa

refresh(entity, lockMode)

Refresh the state of the instance from the database, overwriting changes made to the entity, if any, and lock it with respect to given lock mode type.(Method of javax.persistence.EntityManager)

 
forum_thread

Problem to use find method on an abstract Class: AbstractMethodError is thrown

Hi, I'm using JBoss AS 7 WildFly with ObjectDB installed as a module ( also Java 7, Eclipse Juno) In my db there are objects of type SentenceStatement which inherit from type LogicalObject  When I use find method mentioning SentenceStatement everything works just fine but when I use this method mentioning LogicalObject I get AbstractMethodError Please see services.Tester class with the 2 options for a better ease    this is the stack trace when I try to find LogicalObject: ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) edit ...

 
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: ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) edit ...

 
api-jpa

find(entityClass, primaryKey, lockMode)

Find by primary key and lock.(Method of javax.persistence.EntityManager)

 
api-jpa

find(entityClass, primaryKey, lockMode, properties)

Find by primary key and lock, using the specified properties.(Method of javax.persistence.EntityManager)

 
api-jpa

refresh(entity)

Refresh the state of the instance from the database, overwriting changes made to the entity, if any.(Method of javax.persistence.EntityManager)

 
forum_thread

objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check") vs. generic classes with interfaces: detailed investigation

objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check" system property) The following is a detailed report on investigation of multiple issues that have been mentioned in the following forum postings and issue reports (but please do not visit them from here now, the diagnostics there are now obsolete): - Issue #282 - ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection ... will consider that persistent field type as java.lang.Object. Build 2.6.9_02 supports an option to disable the ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) edit ...