org.springframework.web.util
Class HttpSessionMutexListener
java.lang.Object
   org.springframework.web.util.HttpSessionMutexListener
org.springframework.web.util.HttpSessionMutexListener
- All Implemented Interfaces: 
- EventListener, HttpSessionListener
- public class HttpSessionMutexListener 
- extends Object- implements HttpSessionListener
Servlet 2.3 HttpSessionListener that automatically exposes the
 session mutex when an HttpSession gets created.
 To be registered as a listener in web.xml.
 
The session mutex is guaranteed to be the same object during
 the entire lifetime of the session, available under the key defined
 by the SESSION_MUTEX_ATTRIBUTE constant. It serves as a
 safe reference to synchronize on for locking on the current session.
 
In many cases, the HttpSession reference itself is a safe mutex
 as well, since it will always be the same object reference for the
 same active logical session. However, this is not guaranteed across
 different servlet containers; the only 100% safe way is a session mutex.
- Since:
- 1.2.7
- Author:
- Juergen Hoeller
- See Also:
- WebUtils.SESSION_MUTEX_ATTRIBUTE,- WebUtils.getSessionMutex(javax.servlet.http.HttpSession),- AbstractController.setSynchronizeOnSession(boolean)
 
 
| Methods inherited from class java.lang.Object | 
| clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait | 
 
HttpSessionMutexListener
public HttpSessionMutexListener()
sessionCreated
public void sessionCreated(HttpSessionEvent event)
- 
- Specified by:
- sessionCreatedin interface- HttpSessionListener
 
- 
 
sessionDestroyed
public void sessionDestroyed(HttpSessionEvent event)
- 
- Specified by:
- sessionDestroyedin interface- HttpSessionListener
 
- 
 
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