Hibernateutil.java, used to open and close the session, can be reused in every project

1  PackageCn.jbit.auction.dao;2 3 Importorg.hibernate.Session;4 Importorg.hibernate.SessionFactory;5 Importorg.hibernate.cfg.Configuration;6 7  Public classHibernateutil {8     //Initializes a Threadlocal object9     Private Static FinalThreadLocal Sessiontl =NewThreadLocal ();Ten     Private Staticconfiguration configuration; One     Private Final Staticsessionfactory sessionfactory; A     Static { -         Try { -Configuration =NewConfiguration (). Configure (); theSessionfactory =configuration.buildsessionfactory (); -}Catch(Throwable ex) { -             Throw NewExceptionininitializererror (ex); -         } +     } -      Public StaticSession currentsession () { +         //The Get () method of the Sessiontl returns its corresponding thread internal variable according to the current thread . A         //that is the session we need, the shared database connection is not secure in multi-threaded situations.  at         //threadlocal ensures that each thread has its own session.  -Session session =(Session) sessiontl.get (); -         //if session is NULL, a new session is opened -         if(Session = =NULL) {  -             //Create a database connection object session.  -Session =sessionfactory.opensession (); in             //Save the database connection session to threadlocal.  - Sessiontl.set (session); to         } +         //if the current thread has accessed the database, -         //a Get () from Sessiontl can get the database connection object that the thread last fetched.  the         returnsession; *     } $     /**Panax Notoginseng * Close Session -      */ the      Public Static voidclosesession () { +Session session =(Session) sessiontl.get (); ASessiontl.set (NULL); the session.close (); +     } -}

Hibernateutil.java, used to open and close the session, can be reused in every project