import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
+import static java.util.Objects.requireNonNull;
import com.google.common.util.concurrent.ListenableFuture;
import java.util.concurrent.ExecutionException;
srcIpv6Address = interfaceAddress.getSrcIpAddress();
GetPortFromInterfaceOutput portResult = getPortFromInterface(interfaceName);
- checkNotNull(portResult);
+ requireNonNull(portResult);
dpnId = portResult.getDpid();
Long portid = portResult.getPortno().toJava();
checkArgument(null != dpnId && Uint64.ZERO != dpnId, DPN_NOT_FOUND_ERROR, interfaceName);