--- /dev/null
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.yang.model.parser.util;
+
+/**
+ * Marker object representing special 'min' or 'max' values in YANG.
+ */
+public final class UnknownBoundaryNumber extends Number {
+ private static final long serialVersionUID = 1464861684686434869L;
+
+ private final String value;
+
+ UnknownBoundaryNumber(String value) {
+ this.value = value;
+ }
+
+ @Override
+ public int intValue() {
+ return 0;
+ }
+
+ @Override
+ public long longValue() {
+ return 0;
+ }
+
+ @Override
+ public float floatValue() {
+ return 0;
+ }
+
+ @Override
+ public double doubleValue() {
+ return 0;
+ }
+
+ @Override
+ public String toString() {
+ return UnknownBoundaryNumber.class.getSimpleName() + "[" + value + "]";
+ }
+
+}