YANG rpc, input and output listener

Change-Id: Idd9847175c61d9f033cf80213b46e9c9c949849c
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaRpc.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaRpc.java
new file mode 100644
index 0000000..6d7776b
--- /dev/null
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaRpc.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2016 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.yangutils.translator.tojava.javamodel;
+
+import java.io.IOException;
+import org.onosproject.yangutils.datamodel.YangRpc;
+import org.onosproject.yangutils.translator.tojava.JavaCodeGenerator;
+
+/**
+ * Rpc information extended to support java code generation.
+ */
+public class YangJavaRpc extends YangRpc implements JavaCodeGenerator {
+
+    /**
+     * Creates an instance of java Rpc.
+     */
+    public YangJavaRpc() {
+    }
+
+    /**
+     * Prepare the information for java code generation corresponding to YANG
+     * rpc info.
+     *
+     * @param codeGenDir code generation directory
+     * @throws IOException IO operation fail
+     */
+    @Override
+    public void generateCodeEntry(String codeGenDir) throws IOException {
+          // TODO
+    }
+
+    /**
+     * Create a java file using the YANG rpc info.
+     *
+     * @throws IOException IO operation fail
+     */
+    @Override
+    public void generateCodeExit() throws IOException {
+          // TODO
+    }
+}