2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.model.util;
10 import java.util.Collections;
11 import java.util.List;
12 import org.opendaylight.yangtools.concepts.Immutable;
13 import org.opendaylight.yangtools.yang.common.QName;
14 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
15 import org.opendaylight.yangtools.yang.model.api.Status;
16 import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
17 import org.opendaylight.yangtools.yang.model.api.type.EmptyTypeDefinition;
20 * @deprecated Use {@link org.opendaylight.yangtools.yang.model.util.type.BaseTypes#emptyType()} instead
23 public final class EmptyType implements EmptyTypeDefinition, Immutable {
24 private static final EmptyType INSTANCE = new EmptyType();
25 private static final QName NAME = BaseTypes.EMPTY_QNAME;
26 private static final SchemaPath PATH = SchemaPath.create(Collections.singletonList(NAME), true);
27 private static final String DESCRIPTION = "The empty built-in type represents a leaf that does not have any value, it conveys information by its presence or absence.";
28 private static final String REFERENCE = "https://tools.ietf.org/html/rfc6020#page-131";
33 public static EmptyType getInstance() {
38 public EmptyTypeDefinition getBaseType() {
43 public String getUnits() {
48 public Object getDefaultValue() {
53 public QName getQName() {
58 public SchemaPath getPath() {
63 public String getDescription() {
68 public String getReference() {
73 public Status getStatus() {
74 return Status.CURRENT;
78 public List<UnknownSchemaNode> getUnknownSchemaNodes() {
79 return Collections.emptyList();
83 public String toString() {
84 return "type empty " + NAME;