@Override
public void releaseIpAddress(String ip) {
SearchCriteria<StorageNetworkIpAddressVO> sc = ipSearch.create();
sc.setParameters("ipAddress", ip);
StorageNetworkIpAddressVO vo = createForUpdate();
vo.setTakenAt(null);
update(vo, sc);
}
@Override
@DB
public StorageNetworkIpAddressVO takeIpAddress(long rangeId) {
SearchCriteria<StorageNetworkIpAddressVO> sc = untakenIp.create();
sc.setParameters("rangeId", rangeId);
Transaction txn = Transaction.currentTxn();
txn.start();
StorageNetworkIpAddressVO ip = lockOneRandomRow(sc, true);
if (ip == null) {
txn.rollback();
return null;
}
ip.setTakenAt(new Date());
update(ip.getId(), ip);
txn.commit();
return ip;
}