About retrieve

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Manual
19

Locking in JPA

another EntityManager) since it was retrieved by the current updater. Optimistic locking ... ); In addition, the hint can be set for a specific retrieval operation or query. Releasing ... with OPTIMISTIC_FORCE_INCREMENT). Locking during Retrieval JPA 2 provides various methods for locking
Manual
19

JPA Persistable Types

and do not require separate space allocation and separate store and retrieval operations ... and retrieval is faster). It simplifies queries on dates and ranges of dates. When an entity is stored ... is retrieved from the database. For example, the Arrays.asList method returns an instance of an internal
Forum
19

Bug: ClassCastException by retrieval

("find by retrieval : %s %n",tn3.getTa()); System.out.printf("Arrays : %s %n",Arrays.toString(tn3 ... , l, l, o, W, o, r, l, d, 2] find by retrieval : H Arrays : [H, e, l, l, o, W, o, r, l, d, 2 ... temporary setting for each class. Sometimes I create and retrieve generic arrays ok, but fail when I use
Forum
19

Retrieve data of all entity classes in a single query

etc) This is the code I use to retrieve all Managed Types and data for the Athlete class Metamodel ... to use TypedQuery instead of TypedQuery but had casting issues   You can retrieve ... types using instanceof. Alternatively, you may avoid casting and retrieve fields in a generic way
Forum
19

Missing Data on Retrieval (0, null values)

generate classes automatically when they are missing, so if you retrieve an object from a database ... ))     em.unwrap(PersistenceManager.class).retrieve(obj); Note that ObjectDB is not supported
Forum
19

Query vs Extent for retrieving data

I'm running into a problem where data that is retrieved via a Query comes out null, but when I retrieve it using an Extent everything is present. We have a very simple class: public class PositionReportManagerBean implements InstanceCallbacks { private int maxReports; private List
Forum
19

How to retrieve the ObjectDB version number?

Hi! We need  the ObjectDB version for debug purpose/logging. Our project supports also EclipseLink - http://stackoverflow.com/questions/3493495/getting-database-connection-in-pure-jpa-setup With the Connection object the Database name & version can be retrieved. For ObjectDB, which is the best (JPA
Forum
19

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

/questions/35359676/java-jpa-objectdb-pre-detach-loading-why-retrieval-by-navigation-and-access
Forum
19

Retrieval by Access bug?

any reason for that. Could be any bug in ObjectDB when I retrieve by navigation a field from
Forum
19

retrieve without key?

and can't see an option to retrieve an object w/o using a key. can this be done? You can use a single result query. duetto