CORD-151 add initial skeleton for cord-vtn application

Change-Id: I57bf17445f1e571b51bca2fe7c2631e65cd43145
diff --git a/apps/cordvtn/src/main/java/org/onosproject/cordvtn/DefaultOvsdbNode.java b/apps/cordvtn/src/main/java/org/onosproject/cordvtn/DefaultOvsdbNode.java
new file mode 100644
index 0000000..b8cdbe9
--- /dev/null
+++ b/apps/cordvtn/src/main/java/org/onosproject/cordvtn/DefaultOvsdbNode.java
@@ -0,0 +1,97 @@
+/*
+ * Copyright 2014-2015 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.cordvtn;
+
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.TpPort;
+import org.onosproject.net.DeviceId;
+
+import java.util.Objects;
+
+/**
+ * OvsdbNode implementation.
+ */
+public class DefaultOvsdbNode implements OvsdbNode {
+
+    private final String hostname;
+    private final IpAddress ip;
+    private final TpPort port;
+    private final DeviceId deviceId;
+    private final DeviceId bridgeId;
+    private final State state;
+
+    public DefaultOvsdbNode(String hostname, IpAddress ip, TpPort port,
+                            DeviceId bridgeId, State state) {
+        this.hostname = hostname;
+        this.ip = ip;
+        this.port = port;
+        this.deviceId = DeviceId.deviceId(
+                "ovsdb:" + ip.toString() + ":" + port.toString());
+        this.bridgeId = bridgeId;
+        this.state = state;
+    }
+
+    @Override
+    public IpAddress ip() {
+        return this.ip;
+    }
+
+    @Override
+    public TpPort port() {
+        return this.port;
+    }
+
+    @Override
+    public String hostname() {
+        return this.hostname;
+    }
+
+    @Override
+    public State state() {
+        return this.state;
+    }
+
+    @Override
+    public DeviceId deviceId() {
+        return this.deviceId;
+    }
+
+    @Override
+    public DeviceId bridgeId() {
+        return this.bridgeId;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+
+        if (o instanceof DefaultOvsdbNode) {
+            DefaultOvsdbNode that = (DefaultOvsdbNode) o;
+            // We compare the ip and port only.
+            if (this.ip.equals(that.ip) && this.port.equals(that.port)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(ip, port);
+    }
+}