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/*
* Copyright 2014-2015 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.iptopology.api.device;
import org.joda.time.LocalDateTime;
import org.onosproject.event.AbstractEvent;
import org.onosproject.iptopology.api.DeviceIntf;
import org.onosproject.iptopology.api.DevicePrefix;
import org.onosproject.iptopology.api.IpDevice;
import static com.google.common.base.MoreObjects.toStringHelper;
/**
* Describes ip device event.
*/
public class IpDeviceEvent extends AbstractEvent<IpDeviceEvent.Type, IpDevice> {
private final DeviceIntf devInterface;
private final DevicePrefix devicePrefix;
/**
* Type of device events.
*/
public enum Type {
/**
* Signifies that a new device has been detected.
*/
DEVICE_ADDED,
/**
* Signifies that some device attributes have changed; excludes
* availability changes.
*/
DEVICE_UPDATED,
/**
* Signifies that a device has been removed.
*/
DEVICE_REMOVED,
/**
* Signifies that an interface has been added.
*/
INTERFACE_ADDED,
/**
* Signifies that an interface has been updated.
*/
INTERFACE_UPDATED,
/**
* Signifies that an interface has been removed.
*/
INTERFACE_REMOVED,
/**
* Signifies that a prefix has been added.
*/
PREFIX_ADDED,
/**
* Signifies that a prefix has been updated.
*/
PREFIX_UPDATED,
/**
* Signifies that a prefix has been removed.
*/
PREFIX_REMOVED,
}
/**
* Creates an event of a given type and for the specified ip device.
*
* @param type device event type
* @param device event device subject
*/
public IpDeviceEvent(Type type, IpDevice device) {
this(type, device, null, null);
}
/**
* Creates an event of a given type and for the specified device and interface.
*
* @param type device event type
* @param device event device subject
* @param devInterface optional interface subject
*/
public IpDeviceEvent(Type type, IpDevice device, DeviceIntf devInterface) {
this(type, device, devInterface, null);
}
/**
* Creates an event of a given type and for the specified device and interface.
*
* @param type device event type
* @param device event device subject
* @param devicePrefix optional prefix subject
*/
public IpDeviceEvent(Type type, IpDevice device, DevicePrefix devicePrefix) {
this(type, device, null, devicePrefix);
}
/**
* Creates an event of a given type and for the specified device, interface and prefix.
*
* @param type device event type
* @param device event device subject
* @param devInterface optional interface subject
* @param devicePrefix optional prefix subject
*/
public IpDeviceEvent(Type type, IpDevice device, DeviceIntf devInterface, DevicePrefix devicePrefix) {
super(type, device);
this.devInterface = devInterface;
this.devicePrefix = devicePrefix;
}
/**
* Creates an event of a given type and for the specified device, interface and time.
*
* @param type device event type
* @param device event device subject
* @param devInterface optional interface subject
* @param devicePrefix optional prefix subject
* @param time occurrence time
*/
public IpDeviceEvent(Type type, IpDevice device, DeviceIntf devInterface, DevicePrefix devicePrefix, long time) {
super(type, device, time);
this.devInterface = devInterface;
this.devicePrefix = devicePrefix;
}
/**
* Returns the interface subject.
*
* @return interface subject or null if the event is not interface specific.
*/
public DeviceIntf deviceInterface() {
return devInterface;
}
/**
* Returns the prefix subject.
*
* @return prefix subject or null if the event is not prefix specific.
*/
public DevicePrefix prefix() {
return devicePrefix;
}
@Override
public String toString() {
if (devInterface == null || devicePrefix == null) {
return super.toString();
}
return toStringHelper(this)
.add("time", new LocalDateTime(time()))
.add("type", type())
.add("subject", subject())
.add("interface", devInterface)
.add("prefix", devicePrefix)
.toString();
}
}
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