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that require transaction rollback are represented by:

has been marked for rollback. Determine whether the current resource transaction has been marked for rollback. boolean indicating whether the transaction has been marked for rollback

results in transaction-level rollback, the provider must throw the and ensure that the JTA transaction or EntityTransaction has been marked for rollback. rollback, the provider must throw the

for rollback. Returns: boolean indicating whether the transaction has been marked for rollback

rollback the LockTimeoutException will be thrown if the database locking failure causes only statement-level rollback If a vendor-specific property

transaction-level rollback the LockTimeoutException will be thrown if the database locking failure causes only statement-level rollback

. The current transaction, if one is active, will be marked for rollback. If the entity already exists ... for rollback. Since: JPA 1

because its value is never stored in the database. The main difference is that, on transaction rollback

"> Returns the rollback-only status of the transaction. When begun, the rollback-only status ... > if the transaction has been marked for rollback.

JDO JavaDoc Reference Documentation - The PersistenceManagerFactory is the interface to use to obtain PersistenceManager instances.