@Override
public void unassignIpAddress(long ipAddressId) {
IPAddressVO address = createForUpdate();
address.setAllocatedToAccountId(null);
address.setAllocatedInDomainId(null);
address.setAllocatedTime(null);
address.setSourceNat(false);
address.setOneToOneNat(false);
address.setAssociatedWithVmId(null);
address.setState(State.Free);
address.setAssociatedWithNetworkId(null);
address.setVpcId(null);
address.setSystem(false);
update(ipAddressId, address);
}
