ONOS-2622
Fix error of north app and update onos-app-vtnrsc package

Change-Id: I375002ff26d2ab3ada879a92a1d47bcdb8980054
diff --git a/apps/vtnrsc/src/main/java/org/onosproject/vtnrsc/PhysicalNetwork.java b/apps/vtnrsc/src/main/java/org/onosproject/vtnrsc/PhysicalNetwork.java
new file mode 100644
index 0000000..6a0c5cb
--- /dev/null
+++ b/apps/vtnrsc/src/main/java/org/onosproject/vtnrsc/PhysicalNetwork.java
@@ -0,0 +1,78 @@
+/*

+ * 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.vtnrsc;

+

+import java.util.Objects;

+

+import static com.google.common.base.Preconditions.checkNotNull;

+

+/**

+ * Immutable representation of a physical network identity.

+ */

+public final class PhysicalNetwork {

+

+    private final String physicalNetwork;

+

+    // Public construction is prohibited

+    private PhysicalNetwork(String physicalNetwork) {

+        checkNotNull(physicalNetwork, "PhysicalNetwork cannot be null");

+        this.physicalNetwork = physicalNetwork;

+    }

+

+    /**

+     * Creates a PhysicalNetwork object.

+     *

+     * @param physicalNetwork physical network

+     * @return physical network

+     */

+    public static PhysicalNetwork physicalNetwork(String physicalNetwork) {

+        return new PhysicalNetwork(physicalNetwork);

+    }

+

+    /**

+     * Returns a physicalNetwork.

+     *

+     * @return physical network

+     */

+    public String physicalNetwork() {

+        return physicalNetwork;

+    }

+

+    @Override

+    public int hashCode() {

+        return Objects.hash(physicalNetwork);

+    }

+

+    @Override

+    public boolean equals(Object obj) {

+        if (this == obj) {

+            return true;

+        }

+        if (obj instanceof PhysicalNetwork) {

+            final PhysicalNetwork that = (PhysicalNetwork) obj;

+            return this.getClass() == that.getClass()

+                    && Objects.equals(this.physicalNetwork,

+                                      that.physicalNetwork);

+        }

+        return false;

+    }

+

+    @Override

+    public String toString() {

+        return physicalNetwork;

+    }

+

+}