gistfile1.txt

    public void beforeCompletion() {
        LOG.trace("Transaction before completion callback");

		boolean flush;
		try {
			final int status = transactionCoordinator
					.getTransactionContext()
					.getTransactionEnvironment()
					.getJtaPlatform()
					.getCurrentStatus();
			flush = managedFlushChecker.shouldDoManagedFlush( transactionCoordinator, status );
		}
		catch ( SystemException se ) {
			setRollbackOnly();
			throw exceptionMapper.mapStatusCheckFailure( "could not determine transaction status in beforeCompletion()", se );
		}

		try {
			if ( flush ) {
                LOG.trace("Automatically flushing session");
				transactionCoordinator.getTransactionContext().managedFlush();
			}
		}
		catch ( RuntimeException re ) {
			setRollbackOnly();
			throw exceptionMapper.mapManagedFlushFailure( "error during managed flush", re );
		}
		finally {
                    try {
                        transactionCoordinator.sendBeforeTransactionCompletionNotifications( null );
                        transactionCoordinator.getTransactionContext().beforeTransactionCompletion( null );
                    }
                    catch ( RuntimeException re ) {
                        setRollbackOnly();
                    }
		}
    }