Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 924 | dev | 1 | package ak.hostadmiral.util; |
| 919 | dev | 2 | |
| 3 | import net.sf.hibernate.*; |
||
| 4 | import net.sf.hibernate.cfg.*; |
||
| 5 | |||
| 6 | public class HibernateUtil |
||
| 7 | { |
||
| 8 | private static Configuration configuration; |
||
| 9 | private static SessionFactory sessionFactory; |
||
| 10 | private static final ThreadLocal hibernateBean = new ThreadLocal(); |
||
| 11 | |||
| 12 | public static Configuration getConfiguration() |
||
| 13 | throws HibernateException |
||
| 14 | { |
||
| 15 | if(configuration == null) |
||
| 16 | configuration = new Configuration(); |
||
| 17 | |||
| 18 | return configuration; |
||
| 19 | } |
||
| 20 | |||
| 21 | public static SessionFactory getSessionFactory() |
||
| 22 | throws HibernateException |
||
| 23 | { |
||
| 24 | if(sessionFactory == null) |
||
| 25 | sessionFactory = getConfiguration().configure().buildSessionFactory(); |
||
| 26 | |||
| 27 | return sessionFactory; |
||
| 28 | } |
||
| 29 | |||
| 30 | private static HibernateBean currentBean() |
||
| 31 | throws HibernateException |
||
| 32 | { |
||
| 33 | HibernateBean hb = (HibernateBean)hibernateBean.get(); |
||
| 34 | |||
| 35 | if(hb == null) { |
||
| 36 | hb = new HibernateBean(); |
||
| 37 | hb.session = getSessionFactory().openSession(); |
||
| 38 | hibernateBean.set(hb); |
||
| 39 | } |
||
| 40 | return hb; |
||
| 41 | } |
||
| 42 | |||
| 43 | public static Session currentSession() |
||
| 44 | throws HibernateException |
||
| 45 | { |
||
| 46 | return currentBean().session; |
||
| 47 | } |
||
| 48 | |||
| 49 | public static void closeSession() |
||
| 50 | throws HibernateException, ModelException |
||
| 51 | { |
||
| 52 | HibernateBean hb = (HibernateBean)hibernateBean.get(); |
||
| 53 | |||
| 54 | if(hb == null) |
||
| 55 | throw new ModelException("No session found for this thread"); |
||
| 56 | |||
| 57 | hibernateBean.set(null); |
||
| 58 | hb.session.close(); |
||
| 59 | } |
||
| 60 | |||
| 61 | public static void beginTransaction() |
||
| 62 | throws HibernateException, ModelException |
||
| 63 | { |
||
| 64 | HibernateBean hb = (HibernateBean)hibernateBean.get(); |
||
| 65 | |||
| 66 | if(hb != null && hb.transaction != null) |
||
| 67 | throw new ModelException("Transaction is already open"); |
||
| 68 | |||
| 69 | currentBean().transaction = currentSession().beginTransaction(); |
||
| 70 | } |
||
| 71 | |||
| 72 | public static boolean isTransactionOpen() |
||
| 73 | throws HibernateException, ModelException |
||
| 74 | { |
||
| 75 | HibernateBean hb = (HibernateBean)hibernateBean.get(); |
||
| 76 | |||
| 77 | return (hb != null) && (hb.transaction != null); |
||
| 78 | } |
||
| 79 | |||
| 80 | public static void commitTransaction() |
||
| 81 | throws HibernateException, ModelException |
||
| 82 | { |
||
| 83 | HibernateBean hb = (HibernateBean)hibernateBean.get(); |
||
| 84 | |||
| 85 | if(hb == null || hb.transaction == null) |
||
| 86 | throw new ModelException("No open transaction"); |
||
| 87 | |||
| 88 | hb.transaction.commit(); |
||
| 89 | hb.transaction = null; |
||
| 90 | } |
||
| 91 | |||
| 92 | public static void rollbackTransaction() |
||
| 93 | throws HibernateException, ModelException |
||
| 94 | { |
||
| 95 | HibernateBean hb = (HibernateBean)hibernateBean.get(); |
||
| 96 | |||
| 97 | if(hb == null || hb.transaction == null) |
||
| 98 | throw new ModelException("No open transaction"); |
||
| 99 | |||
| 100 | hb.transaction.rollback(); |
||
| 101 | hb.transaction = null; |
||
| 102 | } |
||
| 103 | |||
| 104 | static class HibernateBean |
||
| 105 | { |
||
| 106 | public Session session; |
||
| 107 | public Transaction transaction; |
||
| 108 | } |
||
| 109 | } |