Fast Object Database for Java - with JPA/JDO support

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EM.find() is suddenly slower

= FetchType.EAGER, cascade = {CascadeType.REFRESH, CascadeType.DETACH }) private ModelElementImpl element; @OneToMany (fetch = FetchType.EAGER, cascade = {CascadeType.REFRESH, CascadeType.DETACH

multi thread application, id field sporadically null

. You may also try refreshing the object (although without id id doesn't represent anything in the database ... to overcome the problem by using flush(), clear() and refresh() hgzwicker Hans-Georg Zwicker Good

each 1-2 days objects on some objectdb level lock/block each other

application they may refresh the page if the response is too slow (again and again, as ... that no one is waiting for them anymore, e.g. after a user refresh the page. support Support

java.sql.Time field off by 30 minutes

);         //()Refresh read back         em.refresh(e);         System.out.println(e);         //()Read

ObjectDB Explorer don't show ManyToOne relations

= ModelElementImpl.class, cascade = {CascadeType.REFRESH}) private ModelElement parent; } If we use ... .class, cascade = {CascadeType.REFRESH}) private ModelElementImpl parent; } Can you fix this in

OneToMany and cascade delete problem

side, using refresh:     em.getTransaction().begin();     Product p = em.find(Product.class, 54);     em.refresh(p); // <= fixes incomplete bidirectional relationships     em.remove(p);     em.getTransaction().commit(); support Support

Attempt to execute a query using a closed EntityManager

refresh). The object is loaded and a query is executed to initialize a mapped by (inverse) field in ... ! Question: why would it require reloading or refresh, because c.getId() should just return the "long

Items in list are doubled, when the entity class is not enhanced

.persist(c); em.getTransaction().commit(); em.refresh(c); em ... ().add(i); em.merge(c); em.getTransaction().commit(); em.refresh(c

Can't modify @EmbeddedId in ObjectDB Explorer

ObjectDB Explorer, open entity Journal, expand the id, try to modify date/id, save, then refresh data

Listing large number of complicated objects with paging.

.model.Product" /> Cold database: 1sec Hot database: 600ms Hot database - refresh

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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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