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JPA Doc
5

javax.persistence.Cache

primaryKey - primary key Since: JPA 2.0 void evictAll() Clear the cache. Clear the cache. Since: JPA 2.0
JPA Doc
5

javax.persistence.spi.PersistenceProviderResolver

clearCachedProviders() Clear cache of providers. Clear cache of providers. Since: JPA 2.0 List
JDO Doc
5

postClear(event)

Method javax.jdo.listener.ClearLifecycleListener void postClear(   InstanceLifecycleEvent event ) This method is called after the ClearCallback.jdoPreClear method is invoked on the instance and the fields have been cleared by the JDO implementation. Parameters: event - the clear event. Since: JDO 2.0
Forum
4

Optimistic locking: prevent version increment on entity collection attribute

to get the collection of readings null is returned. I have tried to clear the entity manager in the second ... is detached between the calls, check this issue and the no-detach solution. > I have tried to clear ... . Actually clear detaches managed objects and could make things harder in this case. > I have tried
Issue
4

Use temporary files to enable very large transactions

] Do you invoke em.clear after flush to empty the persistence context? Do you use embedded mode or ... side OutOfMemoryError (maybe due to a missing clear). The new temporary files have effect ... .io.tmpdir")). Yes, we invoke em.clear after flush. And we can see how the ObjectDB temp file pages0
JPA Doc
3

clearCachedProviders()

Method javax.persistence.spi.PersistenceProviderResolver void clearCachedProviders() Clear cache of providers. Since: JPA 2.0
JPA Doc
3

evictAll()

Method javax.persistence.Cache void evictAll() Clear the cache. Since: JPA 2.0
JDO Doc
3

getPersistenceManagerProxy()

closes the PersistenceManager and then clears the ThreadLocal. Use of this method does not affect
JDO Doc
3

javax.jdo.listener.InstanceLifecycleEvent

.0 int CLEAR Since: JDO 2.0 int CREATE Since: JDO 2.0 int DELETE Since: JDO 2.0 int DETACH Since: JDO
JDO Doc
3

javax.jdo.PersistenceManagerFactory

the PersistenceManager and then clears the ThreadLocal. Use of this method does not affect