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Forum
10

JDO PersistenceCapable Interface for Enhanced Classes

Hallo,   in old JDO 1.0 project we use the PersistenceCapable interface like this     Model model = new Model();     Model datas List models = new ArrayList();     models.add((PersistenceCapable) model); the interface was enhanced to the class. in the new version we get this java.lang
Forum
10

Query debugging configuration from class

Is there a way to show what queries are actually being executed from within a Java class? I'm getting the exception: Exception in thread "main" [ObjectDB 2.5.4_05] javax.persistence.NonUniqueResultException However, I'm unable to debug it because I don't know what the query's actually searching
Forum
10

Removing entity class

Regards Milan Unfortunately removing a class is currently unsupported. You will have to create a new
Manual
10

Date and Time in JPQL and Criteria Queries

that extract date parts:   Expression year = cb.function("year", Integer.class, date); Expression month = cb.function("month", Integer.class, date); Expression day = cb.function("day", Integer.class, ts);   // Create expressions that extract time parts: Expression
Manual
10

JPA Criteria API Queries

= em.getCriteriaBuilder(); CriteriaQuery q = cb.createQuery(Country.class); Root c = q.from(Country.class); q.select(c); The CriteriaBuilder interface serves as the main ... follows: TypedQuery query =      em.createQuery("SELECT c FROM Country c", Country.class
Manual
10

JPA Query Structure (JPQL / Criteria)

classes and objects. For example, a JPQL query can retrieve and return entity objects ... elements such as names of entity classes and persistent fields, which are case sensitive. In ... over objects in the database. A query variable that is bound to an entity class is referred to as
Tutorial
10

Step 6: Set the Spring XML

> spring class> org.springframework.web.servlet.DispatcherServlet class> 2 class= "org.springframework.orm.jpa
Tutorial
10

Step 6: Set the Spring XML

"> spring class> org.springframework.web.servlet.DispatcherServlet class> 2 class= "org.springframework.orm.jpa
Forum
10

does ObjectDB / JPA support simple password field encryption of an entity class?

does ObjectDB / JPA support simple password field encryption of an entity class?
Issue
10

java.lang.NullPointerException during access a field, only if the classes enhanced

java.lang.NullPointerException during access a field, only if the classes enhanced