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.ArrayList;
11 import java.util.Iterator;
12 import java.util.List;
15 import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
16 import org.opendaylight.yangtools.yang.model.api.ChoiceNode;
17 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
18 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
19 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
20 import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
21 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
22 import org.opendaylight.yangtools.yang.model.api.Module;
23 import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
24 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
26 public class DataNodeIterator implements Iterator<DataSchemaNode> {
28 private final DataNodeContainer container;
29 private final List<ListSchemaNode> allLists;
30 private final List<ContainerSchemaNode> allContainers;
31 private final List<ChoiceNode> allChoices;
32 private final List<DataSchemaNode> allChilds;
33 private final List<GroupingDefinition> allGroupings;
35 public DataNodeIterator(final DataNodeContainer container) {
36 if (container == null) {
37 throw new IllegalArgumentException("Data Node Container MUST be specified and cannot be NULL!");
40 this.allContainers = new ArrayList<>();
41 this.allLists = new ArrayList<>();
42 this.allChilds = new ArrayList<>();
43 this.allChoices = new ArrayList<>();
44 this.allGroupings = new ArrayList<>();
46 this.container = container;
47 traverse(this.container);
50 public List<ContainerSchemaNode> allContainers() {
54 public List<ListSchemaNode> allLists() {
58 public List<ChoiceNode> allChoices() {
62 public List<GroupingDefinition> allGroupings() {
66 private void traverse(final DataNodeContainer dataNode) {
67 if (dataNode == null) {
71 final Set<DataSchemaNode> childNodes = dataNode.getChildNodes();
72 if (childNodes != null) {
73 for (DataSchemaNode childNode : childNodes) {
74 if (childNode.isAugmenting()) {
77 allChilds.add(childNode);
78 if (childNode instanceof ContainerSchemaNode) {
79 final ContainerSchemaNode containerNode = (ContainerSchemaNode) childNode;
80 allContainers.add(containerNode);
81 traverse(containerNode);
82 } else if (childNode instanceof ListSchemaNode) {
83 final ListSchemaNode list = (ListSchemaNode) childNode;
86 } else if (childNode instanceof ChoiceNode) {
87 final ChoiceNode choiceNode = (ChoiceNode) childNode;
88 allChoices.add(choiceNode);
89 final Set<ChoiceCaseNode> cases = choiceNode.getCases();
91 for (final ChoiceCaseNode caseNode : cases) {
99 traverseModule(dataNode);
100 traverseGroupings(dataNode);
104 private void traverseModule(DataNodeContainer dataNode) {
106 if (dataNode instanceof Module) {
107 module = (Module) dataNode;
111 final Set<NotificationDefinition> notifications = module.getNotifications();
112 for (NotificationDefinition notificationDefinition : notifications) {
113 traverse(notificationDefinition);
115 final Set<RpcDefinition> rpcs = module.getRpcs();
116 for (RpcDefinition rpcDefinition : rpcs) {
117 ContainerSchemaNode input = rpcDefinition.getInput();
121 ContainerSchemaNode output = rpcDefinition.getInput();
128 private void traverseGroupings(DataNodeContainer dataNode) {
129 final Set<GroupingDefinition> groupings = dataNode.getGroupings();
130 if (groupings != null) {
131 for (GroupingDefinition grouping : groupings) {
132 allGroupings.add(grouping);
139 public boolean hasNext() {
140 if (container.getChildNodes() != null) {
141 final Set<DataSchemaNode> childNodes = container.getChildNodes();
143 if ((childNodes != null) && !childNodes.isEmpty()) {
144 return childNodes.iterator().hasNext();
151 public DataSchemaNode next() {
152 return allChilds.iterator().next();
156 public void remove() {
157 throw new UnsupportedOperationException();