PersistenceContext pc = getPersistenceContextProvider().obtainPersistenceContext();
TransactionGuard tg = new TransactionGuard(pc);
try
{
String sql = "DELETE FROM OPENBPMODELITEM WHERE MI_MODEL_NAME = '" + model.getName() + "'";
pc.executeUpdateOrDelete(sql);
sql = "DELETE FROM OPENBPMODEL WHERE MO_NAME = '" + model.getName() + "'";
pc.executeUpdateOrDelete(sql);
}
catch (PersistenceException e)