@Autowired
    private PlatformTransactionManager transactionManager;

    public void doSomething() {

        DefaultTransactionDefinition definition = new DefaultTransactionDefinition();
        definition.set...
        // begin transaction
        TransactionStatus transaction = transactionManager.getTransaction(definition);

        try {
            // do something
            transactionManager.commit(transaction);
        } catch (Exception e) {
            // here transaction should be still active
            transactionManager.rollback(transaction);
            // here transaction should be rolled back
            throw e;
        }
    }