About clear

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JPA Doc
4

javax.persistence.Cache

primaryKey - primary key Since: JPA 2.0 void evictAll() Clear the cache. Clear the cache. Since: JPA 2.0
JPA Doc
4

javax.persistence.spi.PersistenceProviderResolver

clearCachedProviders() Clear cache of providers. Clear cache of providers. Since: JPA 2.0 List
JDO Doc
4

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
JDO Doc
4

javax.jdo.Query

setExtensions(Map extensions) Set multiple extensions, or use null to clear all extensions. Set multiple extensions, or use null to clear all extensions. Map keys and values are not standard. An implementation
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
3

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