About mapped

manual

Query Parameters in JPA

Explains how to use parameters (named parameters and ordinal parameters) in JPA queries. Query parameters enable the definition of reusable queries. Such queries can be executed with different parameter values to retrieve different results. Running the same query multiple times with different parameter values (arguments) is more efficie ...

 
api-jpa

javax.persistence.criteria.SetJoin

The SetJoin interface is the type of the result of joining to a collection over an association or element collection that has been specified as a java.util.Set.(Interface of JPA)

 
api-jpa

javax.persistence.criteria.CollectionJoin

The CollectionJoin interface is the type of the result of joining to a collection over an association or element collection that has been specified as a java.util.Collection.(Interface of JPA)

 
forum_thread

Apparent Lazy Loading issues.

Hi, Thanks for the quick investigation. That has indeed fixed that issue. However there appear to be two more. #1 2011-12-19 06:18 Hi, Thanks for the quick investigation. That has indeed fixed that issue. However there appear to be two ...

 
forum_thread

Internationalization

What would be a good way to implement internationalization with ObjectDB? Let's say we do have a product catalog and we need to provide category and product data internationally. With a relational database we most probably would have two tables, one for locale neutral information, i.e. Product with fields SKU, price, etc. and another one for locale information only, i.e. ProductLocale with fields name, description, etc. #1 2014-06-11 20:03 What would be a good way to implement internationalization with ObjectDB? Let's say we do have a prod ...

 
forum_thread

com.objectdb.o._RollbackException: Failed to commit transaction

Check the Exception below: (occurs sometimes, ObjectDB 2.3.6_14) #1 2012-02-03 01:50 Check the Exception below: (occurs sometimes, ObjectDB 2.3.6_14) com.objectdb.o._RollbackException: Failed ...

 
api-jpa

javax.persistence.MapKeyTemporal

This annotation must be specified for persistent map keys of type java.util.Date and java.util.Calendar.(Annotation of JPA)

 
api-jpa

javax.persistence.EntityListeners

Specifies the callback listener classes to be used for an entity or mapped superclass.(Annotation of JPA)

 
issue

Lazy retrieval by access not working correctly

I have a problem loading lazy associations by access/navigation with an @Embedded attribute containing an @ElementCollection which is lazy loaded.  I'm not sure if the same problem exists elsewhere.  Furthermore, if I set a breakpoint in the right spot in debug mode, everything works correctly.  Without the breakpoint, my lazy collection does not get loaded.  Here are code snippets which should reproduce the problem. Bug Version: Priority: Normal Status: Closed Replies: 1 Type:  Bug ...

 
api-jpa

javax.persistence.Column

Is used to specify the mapped column for a persistent property or field.(Annotation of JPA)