Interface TransactionCallback<T>
- Type Parameters:
T
- the result type
- Functional Interface:
- This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface public interface TransactionCallback<T>
Callback interface for reactive transactional code. Used withTransactionalOperator
'sexecute
method, often as anonymous class within a method implementation.Typically used to assemble various calls to transaction-unaware data access services into a higher-level service method with transaction demarcation. As an alternative, consider the use of declarative transaction demarcation (e.g. through Spring's
Transactional
annotation).- Since:
- 5.2
- Author:
- Mark Paluch, Juergen Hoeller
- See Also:
TransactionalOperator
Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description org.reactivestreams.Publisher<T>
doInTransaction(ReactiveTransaction status)
Gets called byTransactionalOperator
within a transactional context.
Method Detail
doInTransaction
org.reactivestreams.Publisher<T> doInTransaction(ReactiveTransaction status)
Gets called byTransactionalOperator
within a transactional context. Does not need to care about transactions itself, although it can retrieve and influence the status of the current transaction via the given status object, e.g. setting rollback-only.- Parameters:
status
- associated transaction status- Returns:
- a result publisher
- See Also:
TransactionalOperator.transactional(reactor.core.publisher.Flux<T>)