[ONOS-3163] Test stub on VtnRscManager

Change-Id: I424a918f4633a4f45baf2f26f3887e381ec4fd24

+/*
+ * 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.sfc.util;
+
+import java.util.Iterator;
+
+import org.onlab.packet.MacAddress;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.HostId;
+import org.onosproject.vtnrsc.SegmentationId;
+import org.onosproject.vtnrsc.TenantId;
+import org.onosproject.vtnrsc.VirtualPortId;
+import org.onosproject.vtnrsc.event.VtnRscListener;
+import org.onosproject.vtnrsc.service.VtnRscService;
+
+/**
+ * Provides implementation of the VtnRsc service.
+ */
+public class VtnRscManagerTestImpl implements VtnRscService {
+    @Override
+    public void addListener(VtnRscListener listener) {
+    }
+
+    @Override
+    public void removeListener(VtnRscListener listener) {
+    }
+
+    @Override
+    public SegmentationId getL3vni(TenantId tenantId) {
+        return null;
+    }
+
+    @Override
+    public Iterator<Device> getClassifierOfTenant(TenantId tenantId) {
+        return null;
+    }
+
+    @Override
+    public Iterator<Device> getSFFOfTenant(TenantId tenantId) {
+        return null;
+    }
+
+    @Override
+    public MacAddress getGatewayMac(HostId hostId) {
+        return null;
+    }
+
+    @Override
+    public boolean isServiceFunction(VirtualPortId portId) {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public DeviceId getSFToSFFMaping(VirtualPortId portId) {
+        return DeviceId.deviceId("www.google.com");
+    }
+}