CDOTransaction transaction = CDOFacade.INSTANCE.getTransaction();
      CDOResource resource = transaction.getOrCreateResource("test1");

      Company company = CompanyFactory.eINSTANCE.createCompany();
      company.setName("Company 1");

      resource.getContents().add(company);
      transaction.commit();

      company.setName("Company 2");

      for (EObject object : resource.getContents())
      {
        if (object instanceof Company)
        {
          System.out.println(((Company)object).getName());
        }
      }

      CDOResource resource2 = transaction.getOrCreateResource("test1");

      for (EObject object : resource2.getContents())
      {
        if (object instanceof Company)
        {
          System.out.println(((Company)object).getName());
        }
      }