Adding route subsystem code to support EVPN
Change-Id: I5d9715af8e2a9474892267c97cd4763f12be4816
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/routing/EvpnTable.java b/incubator/api/src/main/java/org/onosproject/incubator/net/routing/EvpnTable.java
new file mode 100755
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+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/routing/EvpnTable.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * 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.incubator.net.routing;
+
+import org.onlab.packet.IpAddress;
+
+import java.util.Collection;
+
+/**
+ * Represents a route table that stores routes.
+ */
+public interface EvpnTable {
+
+ /**
+ * Adds a route to the route table.
+ *
+ * @param route route
+ */
+ void update(EvpnRoute route);
+
+ /**
+ * Removes a route from the route table.
+ *
+ * @param route route
+ */
+ void remove(EvpnRoute route);
+
+ /**
+ * Returns the route table ID.
+ *
+ * @return route table ID
+ */
+ RouteTableId id();
+
+ /**
+ * Returns all routes in the route table.
+ *
+ * @return collection of routes, grouped by prefix
+ */
+ Collection<EvpnRouteSet> getRoutes();
+
+ /**
+ * Returns the routes in this table pertaining to a given prefix.
+ *
+ * @param prefix IP prefix
+ * @return routes for the prefix
+ */
+ EvpnRouteSet getRoutes(EvpnPrefix prefix);
+
+ /**
+ * Returns all routes that have the given next hop.
+ *
+ * @param nextHop next hop IP address
+ * @return collection of routes
+ */
+ Collection<EvpnRoute> getRoutesForNextHop(IpAddress nextHop);
+
+ /**
+ * Releases route table resources held locally.
+ */
+ void shutdown();
+
+ /**
+ * Releases route table resources across the entire cluster.
+ */
+ void destroy();
+
+}