Checks if a transaction is an existing transaction.
Checks if a transaction is an existing transaction.
the transaction manager
boolean
Checks if current transaction is set to rollback only.
Checks if current transaction is set to rollback only.
the transaction manager
boolean
Wraps body in a transaction with MANDATORY semantics.
Wraps body in a transaction with MANDATORY semantics.
Throws a TransactionRequiredException if there is no transaction active in scope.
Wraps body in a transaction with NEVER semantics.
Wraps body in a transaction with NEVER semantics.
Throws a SystemException in case of an existing transaction in scope.
Wraps body in a transaction with NOT_SUPPORTED semantics.
Wraps body in a transaction with NOT_SUPPORTED semantics.
Suspends existing transaction, invokes body, resumes transaction.
Wraps body in a transaction with REQUIRED semantics.
Wraps body in a transaction with REQUIRED semantics.
Creates a new transaction if no transaction is active in scope, else joins the outer transaction.
Wraps body in a transaction with REQUIRES_NEW semantics.
Wraps body in a transaction with REQUIRES_NEW semantics.
Suspends existing transaction, starts a new transaction, invokes body, commits or rollbacks new transaction, finally resumes previous transaction.
Wraps body in a transaction with SUPPORTS semantics.
Wraps body in a transaction with SUPPORTS semantics.
Basicalla a No-op.
Manages a thread-local stack of TransactionContexts.
Choose TransactionService implementation by implicit definition of the implementation of choice, e.g.
implicit val txService = TransactionServices.AtomikosTransactionService.Example usage 1:
for { ctx <- TransactionContext.Required entity <- updatedEntities if !ctx.isRollbackOnly } { // transactional stuff ctx.getEntityManager.merge(entity) }Example usage 2:val users = for { ctx <- TransactionContext.Required name <- userNames } yield { // transactional stuff val query = ctx.getEntityManager.createNamedQuery("findUserByName") query.setParameter("userName", name) query.getSingleResult }