cleaning mcast route data type in preperation for the backing store

moving package to API with BETA tag

Change-Id: I62a611dcb67b6b4d3ee6f90ed2e963ea345b7d6e
diff --git a/core/api/src/main/java/org/onosproject/net/mcast/MulticastRouteTable.java b/core/api/src/main/java/org/onosproject/net/mcast/MulticastRouteTable.java
new file mode 100644
index 0000000..a5e8d30
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/mcast/MulticastRouteTable.java
@@ -0,0 +1,92 @@
+/*
+ * 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.net.mcast;
+
+import com.google.common.annotations.Beta;
+import org.onosproject.net.ConnectPoint;
+
+import java.util.List;
+
+/**
+ * A service interface for maintaining multicast information.
+ */
+@Beta
+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);
+}