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About flush

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JDO Doc
4

makePersistent(pc)

, then flush or checkConsistency should be called after attaching the instances. These methods
JPA Doc
4

persist(entity)

at flush or commit time.) IllegalArgumentException - if the instance is not an entity
JDO Doc
4

postStore(event)

Method javax.jdo.listener.StoreLifecycleListener void postStore(   InstanceLifecycleEvent event ) Invoked whenever a persistent instance is stored, for example during javax.jdo.PersistenceManager.flush or javax.jdo.Transaction.commit. It is called after the field values have been stored. Parameters: event - the store event. Since: JDO 2.0
JDO Doc
4

preStore(event)

Method javax.jdo.listener.StoreLifecycleListener void preStore(   InstanceLifecycleEvent event ) Invoked whenever a persistent instance is stored, for example during javax.jdo.PersistenceManager.flush or javax.jdo.Transaction.commit. It is called before the method StoreCallback.jdoPreStore
JDO Doc
4

setSynchronization(sync)

Method javax.jdo.Transaction void setSynchronization(   Synchronization sync ) The user can specify a Synchronization instance to be notified on transaction completions. The beforeCompletion method is called prior to flushing instances to the data store. The afterCompletion method is called
Forum
4

Remove an entity which attributes were changed - OptimisticLockException

and will fail with OptimisticLockException if user 1 is committing or flushing the changes before user 2 ... on the same object by two different users. Note that user 1 may flush the changes implicitly by running a query. You can run specific queries with COMMIT flush mode to avoid flushing changes to the database
Forum
3

On ensuring ID available after persist

it did. Performing em.flush() immediately after em.persist(e) seems to work (although I'm not sure about the performance hit of flushing every time). This can be encapsulated as a wrapping persist(Object) method that also always flushes after persist(), to afford central experimentation. I
Forum
3

Database Inconsistency or corruption

(attr.getValue());       }       em.flush();       if(em.contains(attr)){         em.merge(attr);       }else{         em.persist(attr);       }       em.flush();     }     */     ObjectValue ... () + 1);     System.out.println("Trying to commit");     em.flush();         System.out.println
Forum
3

evictAll() behavior

of object in one transaction and i want to reclaim memory after commit or even better after flush but  I can imagine that after flush method it could be problematic so i did sth like ... (picture);    if ((p % 100) == 0) {     System.out.println("Cache size before flush = " + pm
Issue
3

Explorer bug ? Objects seem to be missing from database in Class view, but are present as references

. It might be related to the flush bugs that are being fixed in the last builds so please check it with build ... that you have reported till now are related to using flush extensively (many times until commit ... well by ObjectDB till now. > All the problems that you have reported till now are related to using flush