Package org.hibernate.classic

Examples of org.hibernate.classic.Session.lock()

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    s4 = (Simple) s.load(Simple.class, new Long(4), LockMode.UPGRADE);
    assertTrue( s.getCurrentLockMode(s4)==LockMode.UPGRADE_NOWAIT );

    s.lock(s2, LockMode.UPGRADE); //upgrade
    assertTrue( s.getCurrentLockMode(s2)==LockMode.UPGRADE );
    s.lock(s3, LockMode.UPGRADE);
    assertTrue( s.getCurrentLockMode(s3)==LockMode.UPGRADE );
    s.lock(s1, LockMode.UPGRADE_NOWAIT);
    s.lock(s4, LockMode.NONE);
    assertTrue( s.getCurrentLockMode(s4)==LockMode.UPGRADE_NOWAIT );
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    s.lock(s2, LockMode.UPGRADE); //upgrade
    assertTrue( s.getCurrentLockMode(s2)==LockMode.UPGRADE );
    s.lock(s3, LockMode.UPGRADE);
    assertTrue( s.getCurrentLockMode(s3)==LockMode.UPGRADE );
    s.lock(s1, LockMode.UPGRADE_NOWAIT);
    s.lock(s4, LockMode.NONE);
    assertTrue( s.getCurrentLockMode(s4)==LockMode.UPGRADE_NOWAIT );

    tx.commit();
    tx = s.beginTransaction();
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    s.lock(s2, LockMode.UPGRADE); //upgrade
    assertTrue( s.getCurrentLockMode(s2)==LockMode.UPGRADE );
    s.lock(s3, LockMode.UPGRADE);
    assertTrue( s.getCurrentLockMode(s3)==LockMode.UPGRADE );
    s.lock(s1, LockMode.UPGRADE_NOWAIT);
    s.lock(s4, LockMode.NONE);
    assertTrue( s.getCurrentLockMode(s4)==LockMode.UPGRADE_NOWAIT );

    tx.commit();
    tx = s.beginTransaction();
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    assertTrue( s.getCurrentLockMode(s3)==LockMode.NONE );
    assertTrue( s.getCurrentLockMode(s1)==LockMode.NONE );
    assertTrue( s.getCurrentLockMode(s2)==LockMode.NONE );
    assertTrue( s.getCurrentLockMode(s4)==LockMode.NONE );

    s.lock(s1, LockMode.READ); //upgrade
    assertTrue( s.getCurrentLockMode(s1)==LockMode.READ );
    s.lock(s2, LockMode.UPGRADE); //upgrade
    assertTrue( s.getCurrentLockMode(s2)==LockMode.UPGRADE );
    s.lock(s3, LockMode.UPGRADE_NOWAIT); //upgrade
    assertTrue( s.getCurrentLockMode(s3)==LockMode.UPGRADE_NOWAIT );
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    assertTrue( s.getCurrentLockMode(s2)==LockMode.NONE );
    assertTrue( s.getCurrentLockMode(s4)==LockMode.NONE );

    s.lock(s1, LockMode.READ); //upgrade
    assertTrue( s.getCurrentLockMode(s1)==LockMode.READ );
    s.lock(s2, LockMode.UPGRADE); //upgrade
    assertTrue( s.getCurrentLockMode(s2)==LockMode.UPGRADE );
    s.lock(s3, LockMode.UPGRADE_NOWAIT); //upgrade
    assertTrue( s.getCurrentLockMode(s3)==LockMode.UPGRADE_NOWAIT );
    s.lock(s4, LockMode.NONE);
    assertTrue( s.getCurrentLockMode(s4)==LockMode.NONE );
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    s.lock(s1, LockMode.READ); //upgrade
    assertTrue( s.getCurrentLockMode(s1)==LockMode.READ );
    s.lock(s2, LockMode.UPGRADE); //upgrade
    assertTrue( s.getCurrentLockMode(s2)==LockMode.UPGRADE );
    s.lock(s3, LockMode.UPGRADE_NOWAIT); //upgrade
    assertTrue( s.getCurrentLockMode(s3)==LockMode.UPGRADE_NOWAIT );
    s.lock(s4, LockMode.NONE);
    assertTrue( s.getCurrentLockMode(s4)==LockMode.NONE );

    s4.setName("s4");
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    assertTrue( s.getCurrentLockMode(s1)==LockMode.READ );
    s.lock(s2, LockMode.UPGRADE); //upgrade
    assertTrue( s.getCurrentLockMode(s2)==LockMode.UPGRADE );
    s.lock(s3, LockMode.UPGRADE_NOWAIT); //upgrade
    assertTrue( s.getCurrentLockMode(s3)==LockMode.UPGRADE_NOWAIT );
    s.lock(s4, LockMode.NONE);
    assertTrue( s.getCurrentLockMode(s4)==LockMode.NONE );

    s4.setName("s4");
    s.flush();
    assertTrue( s.getCurrentLockMode(s4)==LockMode.WRITE );
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    s = getSessions().openSession();
    j = (J) s.get(I.class, jid);
    i = (I) s.get(I.class, iid);
    assertTrue( i.getClass()==I.class );
    j.setAmount( 0.5f );
    s.lock(i, LockMode.UPGRADE);
    s.flush();
    s.connection().commit();
    s.close();

    s = getSessions().openSession();
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    s.connection().commit();
    s.close();

    s = openSession();
    q = (Qux) s.load( Qux.class, q.getKey(), LockMode.UPGRADE );
    s.lock( q, LockMode.UPGRADE );
    s.delete(q);
    s.flush();
    s.connection().commit();
    s.close();
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    s.close();

    s = openSession();
    list = s.find("from Fum fum where not fum.fum='FRIEND'");
    assertTrue( "deleted owner", list.size()==2 );
    s.lock( list.get(0), LockMode.UPGRADE );
    s.lock( list.get(1), LockMode.UPGRADE );
    Iterator iter = list.iterator();
    while ( iter.hasNext() ) {
      s.delete( iter.next() );
    }
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