JPA Entity Manager service.
EntityManager JTA synchronization class.
Transaction context, holds the EntityManager and the TransactionManager.
Base monad for the transaction monad implementations.
Trait that implements a JTA transaction service that obeys the transaction semantics defined in the transaction attribute types for the transacted methods according to the EJB 3 draft specification.
JTA Transaction service.
Manages a thread-local stack of TransactionContexts.