Port the Router functionality from SDN-IP.
As part of this we added an onlab-thirdparty artifact which allows us to
bring in dependencies that aren't bundles.
diff --git a/apps/sdnip/src/main/java/org/onlab/onos/sdnip/RouteUpdate.java b/apps/sdnip/src/main/java/org/onlab/onos/sdnip/RouteUpdate.java
new file mode 100644
index 0000000..a134a7a
--- /dev/null
+++ b/apps/sdnip/src/main/java/org/onlab/onos/sdnip/RouteUpdate.java
@@ -0,0 +1,91 @@
+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+ * no longer valid.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();
+ }
+}