About detach

forum_thread

Possible issue with String fields

Hi I'm brand new to objectdb and I'm trying to create an objectdb from a sample db via jdbc. The code all works and for a few thousand records but when I increase the number of records I get the following " #1 2012-04-18 07:00 Hi I'm brand new to objectdb and I'm trying to create an objectdb from a sample db via jdbc. ...

 
forum_thread

Problem with @Basic(fetch = FetchType.LAZY)

I have a class where two fields are annotated with @Basic(fetch = FetchType.LAZY) due to them containing quite long Strings and me loading ALL entities of the database on application startup (swing app) This class should hopefully demonstrate the problem: ... ) . get ( 0 ) ; em. detach ( sample ) ; //just to be sure em. close ...

 
api-jdo

FetchPlan.DETACH_UNLOAD_FIELDS

For use with PersistenceManager.detachCopy and setDetachmentOptions.(Static Field of javax.jdo.FetchPlan)

 
api-jpa

lock(entity, lockMode, properties)

Lock an entity instance that is contained in the persistence context with the specified lock mode type and with specified properties.(Method of javax.persistence.EntityManager)

 
forum_thread

ObjectDB 2.6.9_06 (embedded): Cascading merge resulting in duplicate objects

This issue maybe related to issue #110 (http://www.objectdb.com/database/issue/110). Because that issue has been closed as "fixed", I am reporting this new issue. This is my class definition: #1 2016-12-14 18:59 This issue maybe related to issue #110 (http://www.objectdb.com/database/issue/110). Because that issue has been ...

 
api-jdo

javax.jdo.PersistenceManagerFactory

The PersistenceManagerFactory is the interface to use to obtain PersistenceManager instances.(Interface of JDO)

 
forum_thread

UserException - Object User#2 belongs to another EntityManager

Hi! Scenario's steps: 1. User goes to his profile, a JSF page. 2. @RequestScoped CDI bean UserDataB loads the current user of the session at each request, by using @Stateless bean UserC#findUserById(Long id) 3. JSF page's @RequestScoped CDI bean AnotherB loads trades of that user, by using @Stateless bean TradesC#findTradeByClient(User u). ### UserC and TradesC have their own @PersistenceContext EntityManager with the same unitName. #1 2013-08-19 08:44 Hi! Scenario's steps: 1. User goes to his profile, a JSF page. 2. @RequestScoped CDI ...

 
forum_thread

Pre-detach loading: retrieval by navigation not working in if statement

objectdb-2.6.3_04 JDK1.7 VM option at runtime: -javaagent:lib/objectdb.jar Experimental mode: objectdb.temp.no-detach NOT USED ... Experimental mode: objectdb.temp.no-detach NOT USED This problems only seems to occur in my large web ... out what is happening and why. I am using pre-detach loading after em.find(id), because just relying on JPA-annotations, ... computation methods, and calling these during the pre-detach loading should (and usually does) load everything needed to compute a ...

 
forum_thread

Entity listener - event instead of object

Hi, Currently I'm playing with entity listener to implement auditing with difference between values in updated entity. There is a problem however with accessing "old" version of object stored in database. I can't find the nice way to use EntityManager in EntityListener. Because of that, I can't store separate entity for given event. Right now I'm using BaseEntity which contains ... create a copy of that object (maybe by JPA's  detach + merge or by JDO's detachCopy ). Then you may be able to ...

 
forum_thread

problem with lazy loading - unittest project attached

hi, i'm still testing objectdb together with spring-data-jpa. i made a test which should simulate 4 requests 1. save entity 2. read an existing entity, add onetomany relation 3. read an existing entity, add another onetomany relation 4. read entity, get relations. i have the feeling this is not the optional way to test this, because of the differnt transaction behavior. the test is not transactional, but the spring repository methods are. #1 2011-05-04 05:32 hi, i'm still testing objectdb together with spring-data-jpa. i made a test which should simu ...