[ONOS-4636]grouping and uses

Change-Id: Ic410d03a838003ad23b2b0e8874b91503da84153
diff --git a/plugin/src/main/java/org/onosproject/yangutils/translator/exception/InvalidNodeForTranslatorException.java b/plugin/src/main/java/org/onosproject/yangutils/translator/exception/InvalidNodeForTranslatorException.java
new file mode 100644
index 0000000..03b0382
--- /dev/null
+++ b/plugin/src/main/java/org/onosproject/yangutils/translator/exception/InvalidNodeForTranslatorException.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2016-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.yangutils.translator.exception;
+
+/**
+ * Represents custom translator exception for translator's operations.
+ */
+public class InvalidNodeForTranslatorException extends RuntimeException {
+
+    private static final long serialVersionUID = 20160311L;
+    private String fileName;
+
+    /**
+     * Create a new exception.
+     */
+    public InvalidNodeForTranslatorException() {
+        super();
+    }
+
+    /**
+     * Creates a new exception with given message.
+     *
+     * @param message the detail of exception in string
+     */
+    public InvalidNodeForTranslatorException(String message) {
+        super(message);
+    }
+
+    /**
+     * Creates a new exception from given message and cause.
+     *
+     * @param message the detail of exception in string
+     * @param cause   underlying cause of the error
+     */
+    public InvalidNodeForTranslatorException(final String message, final Throwable cause) {
+        super(message, cause);
+    }
+
+    /**
+     * Creates a new exception from cause.
+     *
+     * @param cause underlying cause of the error
+     */
+    public InvalidNodeForTranslatorException(final Throwable cause) {
+        super(cause);
+    }
+
+    /**
+     * Returns generated file name for the exception.
+     *
+     * @return generated file name for the exception
+     */
+    public String getFileName() {
+        return this.fileName;
+    }
+
+    /**
+     * Sets file name in translator exception.
+     *
+     * @param fileName generated file name
+     */
+    public void setFileName(String fileName) {
+        this.fileName = fileName;
+    }
+}