[ONOS-6183] NET l3VPN structure and store implementation

Change-Id: I2fc9054dba07ef522b3cc879810422bd0f1f5de4
diff --git a/apps/l3vpn/netl3vpn/src/main/java/org/onosproject/l3vpn/netl3vpn/InterfaceInfo.java b/apps/l3vpn/netl3vpn/src/main/java/org/onosproject/l3vpn/netl3vpn/InterfaceInfo.java
new file mode 100644
index 0000000..ecdddb6
--- /dev/null
+++ b/apps/l3vpn/netl3vpn/src/main/java/org/onosproject/l3vpn/netl3vpn/InterfaceInfo.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2017-present 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.l3vpn.netl3vpn;
+
+/**
+ * Representation of interface information, which has the interface name and
+ * its binding VPN name and the device info to which it belongs to.
+ */
+public class InterfaceInfo {
+
+    /**
+     * Device info value.
+     */
+    private DeviceInfo devInfo;
+
+    /**
+     * Interface name.
+     */
+    private String intName;
+
+    /**
+     * VPN instance name.
+     */
+    private String vpnName;
+
+    /**
+     * Constructs interface info.
+     *
+     * @param d device info
+     * @param i interface name
+     * @param v VPN name
+     */
+    public InterfaceInfo(DeviceInfo d, String i, String v) {
+        devInfo = d;
+        intName = i;
+        vpnName = v;
+    }
+
+    /**
+     * Returns device info of the interface.
+     *
+     * @return device info
+     */
+    DeviceInfo devInfo() {
+        return devInfo;
+    }
+
+    /**
+     * Returns the interface name.
+     *
+     * @return interface name
+     */
+    String intName() {
+        return intName;
+    }
+
+    /**
+     * Returns the VPN name.
+     *
+     * @return VPN name
+     */
+    String vpnName() {
+        return vpnName;
+    }
+}