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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.routing;
import com.google.common.base.MoreObjects;
import java.util.Objects;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Represents a change in routing information.
*/
public class RouteUpdate {
private final Type type; // The route update type
private final RouteEntry routeEntry; // The updated route entry
/**
* Specifies the type of a route update.
* <p>
* Route updates can either provide updated information for a route, or
* withdraw a previously updated route.
* </p>
*/
public enum Type {
/**
* The update contains updated route information for a route.
*/
UPDATE,
/**
* The update withdraws the route, meaning any previous information is
* no longer valid.
*/
DELETE
}
/**
* Class constructor.
*
* @param type the type of the route update
* @param routeEntry the route entry with the update
*/
public RouteUpdate(Type type, RouteEntry routeEntry) {
this.type = type;
this.routeEntry = checkNotNull(routeEntry);
}
/**
* Returns the type of the route update.
*
* @return the type of the update
*/
public Type type() {
return type;
}
/**
* Returns the route entry the route update is for.
*
* @return the route entry the route update is for
*/
public RouteEntry routeEntry() {
return routeEntry;
}
@Override
public boolean equals(Object other) {
if (other == this) {
return true;
}
if (!(other instanceof RouteUpdate)) {
return false;
}
RouteUpdate otherUpdate = (RouteUpdate) other;
return Objects.equals(this.type, otherUpdate.type) &&
Objects.equals(this.routeEntry, otherUpdate.routeEntry);
}
@Override
public int hashCode() {
return Objects.hash(type, routeEntry);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(getClass())
.add("type", type)
.add("routeEntry", routeEntry)
.toString();
}
}
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