/**
* Associate the extended persistence context with the current JTA transaction (if one is found)
*
* <p>this method is private to the JPA subsystem
*/
public void internalAssociateWithJtaTx() {
isInTx = TransactionUtil.isInTx();
// ensure that a different XPC (with same name) is not already present in the TX
if (isInTx) {
// 7.6.3.1 throw EJBException if a different persistence context is already joined to the
// transaction (with the same puScopedName).
EntityManager existing = TransactionUtil.getTransactionScopedEntityManager(puScopedName);
if (existing != null && existing != this) {
// should be enough to test if not the same object
throw JpaLogger.ROOT_LOGGER.cannotUseExtendedPersistenceTransaction(
puScopedName, existing, this);
} else if (existing == null) {
if (SynchronizationType.SYNCHRONIZED.equals(synchronizationType)) {
// JPA 7.9.1 join the transaction if not already done for
// SynchronizationType.SYNCHRONIZED.
underlyingEntityManager.joinTransaction();
}
// associate the entity manager with the current transaction
TransactionUtil.putEntityManagerInTransactionRegistry(puScopedName, this);
}
}
}
public synchronized void refCountedClose() {
referenceCount--;
if (referenceCount == 0) {
if (underlyingEntityManager.isOpen()) {
underlyingEntityManager.close();
if (isTraceEnabled) {
ROOT_LOGGER.tracef("closed extended persistence context (%s)", puScopedName);
}
}
} else if (isTraceEnabled) {
ROOT_LOGGER.tracef(
"decremented extended persistence context (%s) owner count to %d",
puScopedName, referenceCount);
}
// referenceCount should never be negative, if it is we need to fix the bug that caused it to
// decrement too much
if (referenceCount < 0) {
throw JpaLogger.ROOT_LOGGER.referenceCountedEntityManagerNegativeCount(
referenceCount, getScopedPuName());
}
}
/**
* Catch the application trying to close the container managed entity manager and throw an
* IllegalStateException
*/
@Override
public void close() {
// An extended entity manager will be closed when the EJB SFSB @remove method is invoked.
throw JpaLogger.ROOT_LOGGER.cannotCloseContainerManagedEntityManager();
}
