[ONOS-3875] Code Framework for YangUtils

Change-Id: I3844f8eca6f061900367637fb671cb828a8e6d09
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/exceptions/DataModelException.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/exceptions/DataModelException.java
new file mode 100644
index 0000000..8683928
--- /dev/null
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/exceptions/DataModelException.java
@@ -0,0 +1,52 @@
+/*
+ * 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.datamodel.exceptions;
+
+/**
+ * Base class for exceptions in data model operations.
+ */
+public class DataModelException extends Exception {
+
+    private static final long serialVersionUID = 201601270658L;
+
+    /**
+     * Constructor to create a data model exception with message.
+     *
+     * @param message the detail of exception in string
+     */
+    public DataModelException(String message) {
+        super(message);
+    }
+
+    /**
+     * Constructor to create exception from message and cause.
+     *
+     * @param message the detail of exception in string
+     * @param cause underlying cause of the error
+     */
+    public DataModelException(final String message, final Throwable cause) {
+        super(message, cause);
+    }
+
+    /**
+     * Constructor to create exception from cause.
+     *
+     * @param cause underlying cause of the error
+     */
+    public DataModelException(final Throwable cause) {
+        super(cause);
+    }
+}