The Spring Framework provides a consistent and declarative approach for transaction management.

All that you need to do is to add @Transactional around the method to make it a single transaction:

@Transactional
void performTransfer(Account from, Account to, BigDecimal amount) {

@Transactional can be used at either a method or at a class level.

The following are some of the attributes you can specify on the @Transactional annotation:

• propagation: How does the transaction propagate? Should we continue an existing transaction, if one exists, or create a new transaction? The default is Propagation.REQUIRED.
• readOnly: Should the transaction be read-only?
• noRollbackForClassName: Which exceptions should not cause a rollback of a transaction?
• rollbackForClassName: Which exceptions should cause a rollback of a transaction?
• timeout: How long should we wait for a transaction to complete?
• isolation: What should be the isolation level for the transaction? The default is Isolation.DEFAULT.
• transactionManager: Identifies the transaction manager that manages this transaction.