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Forum
11

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
11

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

java.lang.NullPointerException during access a field, only if the classes enhanced
Forum
11

Merge of entity classes with "mapped by" very slow

Merge of entity classes with "mapped by" very slow
Forum
11

Usage of Inherited Class

Usage of Inherited Class
JDO Doc
11

javax.jdo.Query

. There are three required elements in a Query: the class of the results, the candidate collection ... , import statements, ordering and grouping specifications, result and result class, the range ... . The query namespace is modeled after methods in Java: setClass corresponds to the class definition
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