this.vlanDao = new VLANNetworkDAO(entityManager);
this.ipPoolDao = new IpPoolManagementDAO(entityManager);
this.dhcpOptionDAO = new DhcpOptionDAO(entityManager);
this.virtualMachineDao = new VirtualMachineDAO(entityManager);
this.netServiceTypeDAO = new NetworkServiceTypeDAO(entityManager);
this.niDAO = new NetworkInterfaceDAO(entityManager);
}