| package org.onlab.onos.net; |
| |
| import static org.onlab.onos.net.PortNumber.P0; |
| |
| /** |
| * Representation of a network edge location where an end-station host is |
| * connected. |
| */ |
| public class HostLocation extends ConnectPoint { |
| |
| /** |
| * Represents a no location or an unknown location. |
| */ |
| public static final HostLocation NONE = new HostLocation(DeviceId.NONE, P0, 0L); |
| |
| // Note that time is explicitly excluded from the notion of equality. |
| private final long time; |
| |
| /** |
| * Creates a new host location using the supplied device & port. |
| * |
| * @param deviceId device identity |
| * @param portNumber device port number |
| * @param time time when detected, in millis since start of epoch |
| */ |
| public HostLocation(DeviceId deviceId, PortNumber portNumber, long time) { |
| super(deviceId, portNumber); |
| this.time = time; |
| } |
| |
| /** |
| * Creates a new host location derived from the supplied connection point. |
| * |
| * @param connectPoint connection point |
| * @param time time when detected, in millis since start of epoch |
| */ |
| public HostLocation(ConnectPoint connectPoint, long time) { |
| super(connectPoint.deviceId(), connectPoint.port()); |
| this.time = time; |
| } |
| |
| /** |
| * Returns the time when the location was established, given in |
| * milliseconds since start of epoch. |
| * |
| * @return time in milliseconds since start of epoch |
| */ |
| public long time() { |
| return time; |
| } |
| |
| } |