```
public interface SessionSynchronization
```
The SessionSynchronization interface allows a stateful session bean instance to be notified by its container of transaction boundaries.
Only a stateful session bean with container-managed transaction demarcation can receive session synchronization notifications. Other bean types must not implement the SessionSynchronization interface or use the session synchronization annotations.
A stateful session bean class is not required to implement this interface.

Since:

EJB 1.0

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`afterBegin()` The `afterBegin` method notifies a stateful session bean instance that a new transaction has started, and that the subsequent business methods on the instance will be invoked in the context of the transaction.
`void`	`afterCompletion(boolean committed)` The `afterCompletion` method notifies a stateful session bean instance that a transaction commit protocol has completed, and tells the instance whether the transaction has been committed or rolled back.
`void`	`beforeCompletion()` The `beforeCompletion` method notifies a stateful session bean instance that a transaction is about to be committed.

Eerste pagina van API Java Inhoudsopgave Haut

- Method Detail
  - afterBegin
```
void afterBegin()
         throws EJBException,
                RemoteException
```
    The afterBegin method notifies a stateful session bean instance that a new transaction has started, and that the subsequent business methods on the instance will be invoked in the context of the transaction.
    The instance can use this method, for example, to read data from a database and cache the data in the instance fields.
    This method executes in the proper transaction context.
    
    Throws:
    
    EJBException - Thrown by the method to indicate a failure caused by a system-level error.
    
    RemoteException - This exception is defined in the method signature to provide backward compatibility for enterprise beans written for the EJB 1.0 specification. Enterprise beans written for the EJB 1.1 and later specifications should throw the javax.ejb.EJBException instead of this exception. Enterprise beans written for the EJB 2.0 and later specifications must not throw the java.rmi.RemoteException.
    
    See Also:
    
    AfterBegin
  - beforeCompletion
```
void beforeCompletion()
               throws EJBException,
                      RemoteException
```
    The beforeCompletion method notifies a stateful session bean instance that a transaction is about to be committed. The instance can use this method, for example, to write any cached data to a database.
    This method executes in the proper transaction context.
    Note: The instance may still cause the container to rollback the transaction by invoking the setRollbackOnly method on the session context, or by throwing an exception.
    
    Throws:
    
    EJBException - Thrown by the method to indicate a failure caused by a system-level error.
    
    RemoteException - This exception is defined in the method signature to provide backward compatibility for enterprise beans written for the EJB 1.0 specification. Enterprise beans written for the EJB 1.1 and later specification should throw the javax.ejb.EJBException instead of this exception. Enterprise beans written for the EJB 2.0 and later specifications must not throw the java.rmi.RemoteException.
    
    See Also:
    
    BeforeCompletion
  - afterCompletion
```
void afterCompletion(boolean committed)
              throws EJBException,
                     RemoteException
```
    The afterCompletion method notifies a stateful session bean instance that a transaction commit protocol has completed, and tells the instance whether the transaction has been committed or rolled back.
    This method executes with no transaction context.
    
    Parameters:
    
    committed - True if the transaction has been committed, false if is has been rolled back.
    
    Throws:
    
    EJBException - Thrown by the method to indicate a failure caused by a system-level error.
    
    RemoteException - This exception is defined in the method signature to provide backward compatibility for enterprise beans written for the EJB 1.0 specification. Enterprise beans written for the EJB 1.1 and later specification should throw the javax.ejb.EJBException instead of this exception. Enterprise beans written for the EJB 2.0 and later specifications must not throw the java.rmi.RemoteException.
    
    See Also:
    
    AfterCompletion

Nederlandse vertaling

U hebt gevraagd om deze site in het Nederlands te bezoeken. Voor nu wordt alleen de interface vertaald, maar nog niet alle inhoud.

Als je me wilt helpen met vertalingen, is je bijdrage welkom. Het enige dat u hoeft te doen, is u op de site registreren en mij een bericht sturen waarin u wordt gevraagd om u toe te voegen aan de groep vertalers, zodat u de gewenste pagina's kunt vertalen. Een link onderaan elke vertaalde pagina geeft aan dat u de vertaler bent en heeft een link naar uw profiel.

Bij voorbaat dank.

Document heeft de 11/06/2005 gemaakt, de laatste keer de 18/08/2025 gewijzigd
Bron van het afgedrukte document:https://www.gaudry.be/nl/java-api-javaee-rf-javax/ejb/SessionSynchronization.html

De infobrol is een persoonlijke site waarvan de inhoud uitsluitend mijn verantwoordelijkheid is. De tekst is beschikbaar onder CreativeCommons-licentie (BY-NC-SA). Meer info op de gebruiksvoorwaarden en de auteur.

Referenties

Manuel PHP : https://docs.oracle.com/en/java/, Interface SessionSynchronization

Deze verwijzingen en links verwijzen naar documenten die geraadpleegd zijn tijdens het schrijven van deze pagina, of die aanvullende informatie kunnen geven, maar de auteurs van deze bronnen kunnen niet verantwoordelijk worden gehouden voor de inhoud van deze pagina.
De auteur van deze site is als enige verantwoordelijk voor de manier waarop de verschillende concepten, en de vrijheden die met de referentiewerken worden genomen, hier worden gepresenteerd. Vergeet niet dat u meerdere broninformatie moet doorgeven om het risico op fouten te verkleinen.

Interface SessionSynchronization

Method Summary

Method Detail

afterBegin

beforeCompletion

afterCompletion

Referenties