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/*
* Copyright 2014 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.net;
import static org.onosproject.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;
}
}
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