About activator

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Manual
7

JPA Persistable Types [2019-08-10]

the original classes and enable transparent activation and transparent persistence. For example
Manual
7

SELECT clause (JPQL / Criteria API)

are not associated with an EntityManager and changes to them when a transaction is active are not
Manual
7

JPA Persistable Types

the original classes and enable transparent activation and transparent persistence. For example
Manual
7

JPA Persistable Types [2016-08-06]

the original classes and enable transparent activation and transparent persistence. For example
Manual
7

JPA Persistable Types [2019-08-03]

the original classes and enable transparent activation and transparent persistence. For example
Issue
7

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

1st project)) INFO: RequestBean []: Created: com.greensoft.entity.Activity [null](TEST: the 1st activity) INFO: RequestBean []: Persisted: com.greensoft.entity.Activity [14](TEST: the 1st activity) INFO: RequestBean []: Created: com.greensoft.entity.Activity [null](TEST: the 2nd activity) INFO
JPA Doc
5

javax.persistence.EntityManager

). If this method is called when the entity manager is associated with an active transaction, the persistence ... IllegalArgumentException - if the instance is not a managed entity and a transaction is active Since: JPA 2.0 ... () Indicate to the entity manager that a JTA transaction is active. Indicate to the entity manager
JDO Doc
4

close()

from this PersistenceManagerFactory have no active transactions. If any PersistenceManager instances have an active transaction, throw a JDOUserException, with one nested JDOUserException for each PersistenceManager with an active Transaction. If there are no active transactions, then close
JDO Doc
3

checkConsistency()

with the datastore. This method has no effect if a transaction is not active. If a datastore transaction is active, this method verifies the consistency of instances in the cache against the datastore ... to do so. If an optimistic transaction is active, this method obtains a datastore connection and verifies
JDO Doc
3

flush()

Method javax.jdo.PersistenceManager void flush() Flushes all dirty, new, and deleted instances to the data store. It has no effect if a transaction is not active. If a datastore transaction is active ... transaction is active, this method obtains a datastore connection, synchronizes the cache