About activator

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Manual
14

Detached Entity Objects

class or it is a removed entity. A TransactionRequiredException is thrown if there is no active transaction when merge is called because operations that might modify the database require an active
Manual
14

Database Explorer

the Edit > Move Element commands. Saving Changes The Explorer manages an active transaction for every open database file. All the editing operations are associated with the active transaction. The File
Manual
14

Database Connection using JPA

the content of a database require active transactions. Transactions are managed by an EntityTransaction ... ) must be performed within an active transaction. The EntityTransaction interface represents and manages
Manual
14

Storing JPA Entity Objects

field values). A TransactionRequiredException is thrown if there is no active transaction when persist is called because operations that modify the database require an active transaction. If the database
Manual
14

Updating JPA Entity Objects

from inside an active transaction: Employee employee = em.find(Employee.class, 1); em ... entity object from within an active transaction. No EntityManager's method is invoked to report
Manual
14

Obtaining a JPA Database Connection

, update, and delete should only be performed within an active transaction. Given an EntityManager, em ... that the getTransaction method returns. When a transaction is active you can invoke EntityManager methods
JDO Doc
14

javax.jdo.JDOEntityManager

. This method has no effect if a transaction is not active. If a datastore transaction is active ... transaction is active, this method obtains a datastore connection and verifies the consistency ... store. This method must be called in an active transaction. The data store object will be removed
JDO Doc
13

javax.jdo.PersistenceManager

if a transaction is not active. If a datastore transaction is active, this method verifies ... if flush were called, but it is not required to do so. If an optimistic transaction is active ... the persistent instance from the data store. This method must be called in an active transaction
JDO Doc
12

javax.jdo.FetchPlan

javax.jdo Interface FetchPlan Fetch groups are activated using methods on this interface ... the fetch group to the set of active fetch groups. Add the fetch group to the set of active fetch groups ... all active groups leaving no active fetch group. Remove all active groups leaving no active fetch
JDO Doc
11

javax.jdo.Transaction

environment, or if the transaction is already active. Since: JDO 1.0 See Also: setOptimistic getOptimistic ... is not active. Since: JDO 1.0 String getIsolationLevel() Get the value for transaction isolation level ... getNontransactionalRead() If true, allows persistent instances to be read without a transaction active