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  • Spring - @Transactional - What happens in background?
    For target beans annotated with @Transactional, Spring will create a TransactionInterceptor, and pass it to the generated proxy object So when you call the method from client code, you're calling the method on the proxy object, which first invokes the TransactionInterceptor (which begins a transaction), which in turn invokes the method on your
  • java - What does @Transactional do? - Stack Overflow
    The transactional only changes your database connection to not auto commit – OQJF Commented Jul 10,
  • Where does the @Transactional annotation belong? - Stack Overflow
    @Transactional Annotations should be placed around all operations that are inseparable Using @Transactional transaction propagation are handled automatically In this case if another method is called by current method,then that method will have the option of joining the ongoing transaction So lets take example: We have 2 model's i e Country
  • Spring @Transactional - isolation, propagation - Stack Overflow
    @Transactional annotation describes transaction attributes on a method or class @Autowired private TestDAO testDAO; @Transactional(propagation=TransactionDefinition PROPAGATION_REQUIRED,isolation=TransactionDefinition ISOLATION_READ_UNCOMMITTED) public void someTransactionalMethod(User user) { Interact with testDAO }
  • When should we use @Transactional annotation? - Stack Overflow
    @Transactional public void saveEmployee(Employee employee) { repo save(employee) userTrackerRepo update() or any other repo invocation or validation that if fails then save method should do rollback } Then it make senses to have @Transactional annotation
  • java - javax. transaction. Transactional vs org. springframework . . .
    Spring has defined its own Transactional annotation to make Spring bean methods transactional, years ago Java EE 7 has finally done the same thing and now allows CDI bean methods to be transactional, in addition to EJB methods So since Java EE 7, it also defines its own Transactional annotation (it obviously can't reuse the Spring one)
  • How to use @Transactional with Spring Data? - Stack Overflow
    You may add @Transactional later if you plan to add more logic to your service that deals with another tables repositories - then there will be a point having it If no - then your service should use @Transactional if you want to make sure you do not have issues with isolation, that you are not reading something that is not yet commuted for
  • Annotation @Transactional. How to rollback? - Stack Overflow
    It really works this way :-) If you have a service calling several DAOs, the service needs to have a @Transactional annotation as well Otherwise each DAO call start and commits new transaction before you throw an exception in the service The bottom line is: the exception must leave (escape) a method marked as @Transactional –
  • Why use @Transactional with @Service instead of with @Controller
    I USE THE @Transactional in @Controller and Just make a Generic Save Method and save all the entities model using this simple save method and if any method fail to save then all the transactions in controller rollback successfully Other situation that ensure that @Transactional should be use with @Controller In @Controller:
  • What is the use of @Transactional with JPA and Hibernate?
    Generally the @Transactional annotation is written at the service level It is used to combine more than one writes on a database as a single atomic operation When somebody call the method annotated with @Transactional all or none of the writes on the database is executed





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