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 {
22 private final NormalizedNodeVisitor visitor;
24 public NormalizedNodeNavigator(final NormalizedNodeVisitor visitor) {
25 this.visitor = requireNonNull(visitor, "visitor should not be null");
28 public void navigate(String parentPath, final NormalizedNode<?, ?> normalizedNode) {
29 if (parentPath == null) {
32 navigateNormalizedNode(0, parentPath, normalizedNode);
35 private void navigateDataContainerNode(final int level, final String parentPath,
36 final DataContainerNode<?> dataContainerNode) {
37 visitor.visitNode(level, parentPath, dataContainerNode);
39 String newParentPath = parentPath + "/" + dataContainerNode.getIdentifier().toString();
41 for (NormalizedNode<?, ?> node : dataContainerNode.getValue()) {
42 if (node instanceof MixinNode && node instanceof NormalizedNodeContainer) {
43 navigateNormalizedNodeContainerMixin(level, newParentPath, (NormalizedNodeContainer<?, ?, ?>) node);
45 navigateNormalizedNode(level, newParentPath, node);
51 private void navigateNormalizedNodeContainerMixin(final int level, final String parentPath,
52 final NormalizedNodeContainer<?, ?, ?> node) {
53 visitor.visitNode(level, parentPath, node);
55 String newParentPath = parentPath + "/" + node.getIdentifier().toString();
57 for (NormalizedNode<?, ?> normalizedNode : node.getValue()) {
58 if (normalizedNode instanceof MixinNode && normalizedNode instanceof NormalizedNodeContainer) {
59 navigateNormalizedNodeContainerMixin(level + 1, newParentPath,
60 (NormalizedNodeContainer<?, ?, ?>) normalizedNode);
62 navigateNormalizedNode(level, newParentPath, normalizedNode);
68 private void navigateNormalizedNode(final int level, final String parentPath,
69 final NormalizedNode<?, ?> normalizedNode) {
70 if (normalizedNode instanceof DataContainerNode) {
72 final DataContainerNode<?> dataContainerNode = (DataContainerNode<?>) normalizedNode;
74 navigateDataContainerNode(level + 1, parentPath, dataContainerNode);
76 visitor.visitNode(level + 1, parentPath, normalizedNode);