| package org.onlab.onos.sdnip; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import java.util.Objects; |
| |
| import com.google.common.base.MoreObjects; |
| |
| /** |
| * 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. |
| */ |
| 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| * no longer valid.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(); |
| } |
| } |