Fast Object Database for Java - with JPA/JDO support

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locks on pure query activities

.events.JettyListenerEventDriver.onTextMessage( at org ... ) at at

NullPointerException in ENH.g(

cannot reproduce the error on request since I do not know the exact event which causes this state. Is there any ... .entities.event.Participant: transient (non entity class), used as the field type of Event.participants. com.mvolution.domain.entities.event.participant.Participant: an entity class with no instances

Collection update does not increase entity version and is not persisted

Hello, I found a bug when adding elements to a collection of Entities: Event { Collection ... (all classes are enhanced) the version of the event does not increase and the updated event is not stored in the database (retrieve the event shows that the attachments field is still empty). You find

Calendar in Criteria Querys

().begin();         em.persist(new Event());         em.getTransaction().commit ... ();         Root e = query1.from(Event.class);;         query1.where(cb ... ();         e = query.from(Event.class);;         ParameterExpression

Entity is not related to ObjectDB, but i get exception from ObjectDB

.Final.jar:4.0.1.Final] at org.hibernate.event.internal.DefaultLoadEventListener.loadFromDatasource ... .event.internal.DefaultLoadEventListener.doLoad( [hibernate-core-4.0.1.Final.jar:4.0.1.Final] at org.hibernate.event.internal.DefaultLoadEventListener.load

com.objectdb.o.InternalException: null

.RepaintManager$ at java.awt.event.InvocationEvent ... ) at javax.swing.RepaintManager$ at java.awt.event ... .awt.event.InvocationEvent.dispatch( at java.awt.EventQueue

Metamodel Attribute NOT EQUALS to same Attribute in a different EntityManager

Attribute from Metamodel initialized on @PostConstruct event IS NOT EQUALS of the same Attribute from Metamodel of a differente EntityManager initialized on a @Controller @RequestMapping event. I ... and these two metamodels come from different EntityManagers. One of these is on a @PostConstruct event

Redeployment in GlassFish - Failed to open file

: Exception while dispatching an event java.lang.IllegalStateException: WEB9031: WebappClassLoader ... ) at org.glassfish.persistence.jpa.JPADeployer.event( at org.glassfish.kernel.event ... can not redeploy the application. WARNING: Exception while dispatching an event java.lang

@PrePersist Implementation

You will have to collect the information in a combination of more than one event. When a managed entity object is updated, to get the entity before the update use the @PreUpdate event, and to get the entity after the update use @PostUpdate. In order to be able to get told value in the @PreUpdate event

Method Invocation On All Entities

the deletion. You may define a callback or listener for JPA lifecycle events (see this manual page ... something? Yotam Yotam Boaz That is correct. Lifecycle events are implemented in JPA as client side events. DELETE and UPDATE queries bypass the JPA client side for direct execution in the database

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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