contract.setContractValue1("contractvalue1");
contract.setContractValue2(1);
contract.setContractValue3("contractvalue3");
contract.setContractValue4(new Timestamp(TIME));
_conn.makePersistent(contract);
tx.commit();
tx = _kit.getTransaction(_conn);
tx.begin();
Version version = new Version();
version.setPk("V" + TIME);
version.setVersionValue1("versionvalue1");