adding a multicast service to track multicast information.
This will be used by publishers to advertise multicast information
and by consumers to realise it on the dataplane.
This is currently an app but it may be moved to incubation.
Change-Id: I6e350989207ce2207bf70da22ca15c8237b1d240
diff --git a/apps/mcast/src/main/java/org/onosproject/mcast/MulticastRouteTable.java b/apps/mcast/src/main/java/org/onosproject/mcast/MulticastRouteTable.java
new file mode 100644
index 0000000..8bff021
--- /dev/null
+++ b/apps/mcast/src/main/java/org/onosproject/mcast/MulticastRouteTable.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright 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.mcast;
+
+import org.onosproject.net.ConnectPoint;
+
+import java.util.List;
+
+/**
+ * A service interface for maintaining multicast information.
+ */
+public interface MulticastRouteTable {
+
+ /**
+ * Adds a route to the information base.
+ *
+ * @param route a multicast route
+ */
+ void add(McastRoute route);
+
+ /**
+ * Removes a route from the information base.
+ *
+ * @param route a multicast route
+ */
+ void remove(McastRoute route);
+
+ /**
+ * Adds a source connection to the route from where the
+ * data stream is originating.
+ *
+ * @param route the multicast route
+ * @param connectPoint a source connect point
+ */
+ void addSource(McastRoute route, ConnectPoint connectPoint);
+
+ /**
+ * Adds a sink to the route to which a data stream should be
+ * sent to.
+ *
+ * @param route a multicast route
+ * @param connectPoint a sink connect point
+ */
+ void addSink(McastRoute route, ConnectPoint connectPoint);
+
+ /**
+ * Removes a source connection from the route.
+ *
+ * @param route the multicast route
+ * @param connectPoint a source connect point
+ */
+ void removeSource(McastRoute route, ConnectPoint connectPoint);
+
+ /**
+ * Removes a sink from the route.
+ *
+ * @param route the multicast route
+ * @param connectPoint a sink connect point
+ */
+ void removeSink(McastRoute route, ConnectPoint connectPoint);
+
+ /**
+ * Find the data source association for this multicast route.
+ *
+ * @param route a multicast route
+ * @return a connect point
+ */
+ ConnectPoint fetchSource(McastRoute route);
+
+ /**
+ * Find the list of sinks for this route.
+ *
+ * @param route a multicast route
+ * @return a list of connect points
+ */
+ List<ConnectPoint> fetchSinks(McastRoute route);
+}