2 * Copyright (c) 2014, 2015 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.controller.cluster.datastore.node.utils;
10 import static java.util.Objects.requireNonNull;
12 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode;
13 import org.opendaylight.yangtools.yang.data.api.schema.MixinNode;
14 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
15 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodeContainer;
18 * NormalizedNodeNavigator walks a {@link NormalizedNodeVisitor} through the NormalizedNode.
20 public class NormalizedNodeNavigator {
21 private final NormalizedNodeVisitor visitor;
23 public NormalizedNodeNavigator(final NormalizedNodeVisitor visitor) {
24 this.visitor = requireNonNull(visitor, "visitor should not be null");
27 public void navigate(String parentPath, final NormalizedNode normalizedNode) {
28 if (parentPath == null) {
31 navigateNormalizedNode(0, parentPath, normalizedNode);
34 private void navigateDataContainerNode(final int level, final String parentPath,
35 final DataContainerNode dataContainerNode) {
36 visitor.visitNode(level, parentPath, dataContainerNode);
38 String newParentPath = parentPath + "/" + dataContainerNode.getIdentifier().toString();
40 for (var node : dataContainerNode.body()) {
41 if (node instanceof MixinNode && node instanceof NormalizedNodeContainer<?> container) {
42 navigateNormalizedNodeContainerMixin(level, newParentPath, container);
44 navigateNormalizedNode(level, newParentPath, node);
49 private void navigateNormalizedNodeContainerMixin(final int level, final String parentPath,
50 final NormalizedNodeContainer<?> node) {
51 visitor.visitNode(level, parentPath, node);
53 String newParentPath = parentPath + "/" + node.getIdentifier().toString();
55 for (var normalizedNode : node.body()) {
56 if (normalizedNode instanceof MixinNode && normalizedNode instanceof NormalizedNodeContainer<?> container) {
57 navigateNormalizedNodeContainerMixin(level + 1, newParentPath, container);
59 navigateNormalizedNode(level, newParentPath, normalizedNode);
64 private void navigateNormalizedNode(final int level, final String parentPath, final NormalizedNode normalizedNode) {
65 if (normalizedNode instanceof DataContainerNode dataContainer) {
66 navigateDataContainerNode(level + 1, parentPath, dataContainer);
68 visitor.visitNode(level + 1, parentPath, normalizedNode);