Examples of org.exolab.castor.jdo.Database.rollback()

org.exolab.castor.jdo.Database.rollback()
Rolls back and closes the transaction. All changes made to persistent objects during the transaction are lost, objects created during the transaction are not made durable and objects removed during the transaction continue to exist. @throws TransactionNotInProgressException Method called whiletransaction is not in progress

            db.begin();
            db.update(car1Client1);
            db.update(driver1Client1);
            db.commit();
        } catch (ObjectModifiedException ome) {
            db.rollback();
            
            //5.2 client1 reload DRIVER ONE
            db.begin();
            driver1Client1 = (Driver) db.load(Driver.class, "AAADRV01");
            db.commit();

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            db.update(orderClient1);
            db.update(computer1Client1);
            db.update(computer2Client1);
            db.commit();
        } catch (ObjectModifiedException ome) {
            db.rollback();
            
            //5.2 client1 reload COMPUTER 2
            db.begin();
            computer2Client1 = (Computer) db.load(Computer.class, "AAAACP02");
            db.commit();

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        LOG.debug("Product loaded: " + product);
        LOG.debug("NewProduct loaded: " + newProduct);
        
        // we only loaded both objects in one tx. Now we are doing a rollback.
        LOG.info("Calling Rollback");
        db.rollback();
        
        LOG.info("End transaction: Trying to reproduce rollback bug");
        db.close();
    }
}

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                db.load(ExtendedObject.class, new Integer(1));
                db.commit();
                db.close();
                fail();
            } catch (ClassCastException e) {
                db.rollback();
                db.close();
            }
        } catch (MappingException ex) {
            LOG.error(ex.getMessage(), ex);
            fail(ex.getMessage());

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                obj1.setDescription2(obj1.getDescription2() + " - 1");
                db.commit();
                db.close();
                fail();
            } catch (ClassCastException ex) {
                db.rollback();
                db.close();
            }
        } catch (MappingException ex) {
            LOG.error(ex.getMessage(), ex);
            fail(ex.getMessage());

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        }
        catch(Exception e)
        {
          try
          {
            db.rollback();
          }
          catch(Exception e2) { e2.printStackTrace(); }
                  logger.error("An error occurred when updating content version for content: " + e.getMessage(), e);          
        }
        finally

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    } 
    catch ( Exception e) 
    {
      try
            {
                db.rollback();
                db.close();
            } 
      catch (Exception e1)
            {
                logger.error("An error occurred when importing a repository: " + e.getMessage(), e);

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      marshaller.marshal(infoGlueExportImpl);
      
      osw.flush();
      osw.close();
      
      db.rollback();
    } 
    catch (Exception e) 
    {
      logger.error("An error was found exporting a repository: " + e.getMessage(), e);
      db.rollback();

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      db.rollback();
    } 
    catch (Exception e) 
    {
      logger.error("An error was found exporting a repository: " + e.getMessage(), e);
      db.rollback();
    }
    finally
    {
      db.close();  
    }

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    {
      if (db != null)
      {
        try
        {
          db.rollback();
          db.close();
        }
        catch (PersistenceException ex)
        {
          logger.error("Error when closing db after failed to get display name for content type definition. Message: " + ex.getMessage());

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