2 * Copyright (c) 2014 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.data.impl.schema;
10 import java.io.IOException;
11 import org.eclipse.jdt.annotation.NonNull;
12 import org.opendaylight.yangtools.yang.common.QName;
13 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
14 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
15 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
16 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeWithValue;
17 import org.opendaylight.yangtools.yang.data.api.schema.ChoiceNode;
18 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
19 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
20 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
21 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
22 import org.opendaylight.yangtools.yang.data.api.schema.SystemMapNode;
23 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
24 import org.opendaylight.yangtools.yang.data.api.schema.UserMapNode;
25 import org.opendaylight.yangtools.yang.data.api.schema.stream.YangInstanceIdentifierWriter;
26 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableLeafNodeBuilder;
27 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
28 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
30 public final class ImmutableNodes {
31 // FIXME: YANGTOOLS-1074: we do not want this name
32 private static final NodeIdentifier SCHEMACONTEXT_NAME = NodeIdentifier.create(SchemaContext.NAME);
34 private ImmutableNodes() {
38 public static SystemMapNode.@NonNull Builder mapNodeBuilder() {
39 return Builders.mapBuilder();
42 public static SystemMapNode.@NonNull Builder mapNodeBuilder(final QName name) {
43 return mapNodeBuilder(NodeIdentifier.create(name));
46 public static SystemMapNode.@NonNull Builder mapNodeBuilder(final NodeIdentifier name) {
47 final var ret = Builders.mapBuilder();
48 // FIXME: use fluent once we have specialized enough
49 ret.withNodeIdentifier(name);
54 * Create an immutable map node.
56 * @param name QName which will be used as node identifier
57 * @return An unordered Map node
59 public static @NonNull SystemMapNode mapNode(final QName name) {
60 return mapNode(NodeIdentifier.create(name));
64 * Create an immutable map node.
66 * @param name QName which will be used as node identifier
67 * @return An unordered Map node
69 public static @NonNull SystemMapNode mapNode(final NodeIdentifier name) {
70 return mapNodeBuilder(name).build();
74 * Create immutable ordered map node.
76 * @param name QName which will be used as node identifier
77 * @return An ordered Map node
79 public static @NonNull UserMapNode orderedMapNode(final QName name) {
80 return orderedMapNode(NodeIdentifier.create(name));
84 * Create immutable ordered map node.
86 * @param name Node identifier
87 * @return An ordered Map node
89 public static @NonNull UserMapNode orderedMapNode(final NodeIdentifier name) {
90 return Builders.orderedMapBuilder().withNodeIdentifier(name).build();
94 * Construct immutable leaf node.
96 * @param name Identifier of leaf node
97 * @param value Value of leaf node
98 * @param <T> Type of leaf node value
99 * @return Leaf node with supplied identifier and value
101 public static <T> @NonNull LeafNode<T> leafNode(final NodeIdentifier name, final T value) {
102 return ImmutableLeafNodeBuilder.createNode(name, value);
106 * Construct immutable leaf node.
108 * @param name QName which will be used as node identifier
109 * @param value Value of leaf node.
110 * @param <T> Type of leaf node value
111 * @return Leaf node with supplied identifier and value
113 public static <T> @NonNull LeafNode<T> leafNode(final QName name, final T value) {
114 return leafNode(NodeIdentifier.create(name), value);
117 public static MapEntryNode.@NonNull Builder mapEntryBuilder(final QName nodeName, final QName keyName,
118 final Object keyValue) {
119 final var ret = Builders.mapEntryBuilder();
120 // FIXME: use fluent once we have specialized enough
121 ret.withNodeIdentifier(NodeIdentifierWithPredicates.of(nodeName, keyName, keyValue))
122 .withChild(leafNode(keyName, keyValue));
127 public static MapEntryNode.@NonNull Builder mapEntryBuilder() {
128 return Builders.mapEntryBuilder();
131 public static @NonNull MapEntryNode mapEntry(final QName nodeName, final QName keyName, final Object keyValue) {
132 return mapEntryBuilder(nodeName, keyName, keyValue).build();
136 * Create an immutable container node.
138 * @param name QName which will be used as node identifier
139 * @return A container node
141 public static @NonNull ContainerNode containerNode(final QName name) {
142 return containerNode(NodeIdentifier.create(name));
146 * Create an immutable container node.
148 * @param name Node identifier
149 * @return A container node
151 public static @NonNull ContainerNode containerNode(final NodeIdentifier name) {
152 return Builders.containerBuilder().withNodeIdentifier(name).build();
156 * Create an immutable choice node.
158 * @param name QName which will be used as node identifier
159 * @return A choice node
161 public static @NonNull ChoiceNode choiceNode(final QName name) {
162 return choiceNode(NodeIdentifier.create(name));
166 * Create an immutable choice node.
168 * @param name Node identifier
169 * @return A choice node
171 public static @NonNull ChoiceNode choiceNode(final NodeIdentifier name) {
172 return Builders.choiceBuilder().withNodeIdentifier(name).build();
176 * Create an immutable list node.
178 * @param name QName which will be used as node identifier
179 * @return An unkeyed list node
181 public static @NonNull UnkeyedListNode listNode(final QName name) {
182 return listNode(NodeIdentifier.create(name));
186 * Create an immutable list node.
188 * @param name Node identifier
189 * @return An unkeyed list node
191 public static @NonNull UnkeyedListNode listNode(final NodeIdentifier name) {
192 return Builders.unkeyedListBuilder().withNodeIdentifier(name).build();
196 * Convert YangInstanceIdentifier into a normalized node structure.
198 * @param ctx schema context to used during serialization
199 * @param id instance identifier to convert to node structure starting from root
200 * @return serialized normalized node for provided instance Id
201 * @throws NullPointerException if any argument is null
202 * @throws IllegalArgumentException if the identifier cannot be converted
204 public static @NonNull NormalizedNode fromInstanceId(final EffectiveModelContext ctx,
205 final YangInstanceIdentifier id) {
207 return containerNode(SCHEMACONTEXT_NAME);
210 final var result = new NormalizationResultHolder();
211 try (var writer = ImmutableNormalizedNodeStreamWriter.from(result)) {
212 try (var iidWriter = YangInstanceIdentifierWriter.open(writer, ctx, id)) {
213 // leaf-list entry nodes are special: they require a value and we can derive it from our instance
215 final var lastArg = id.getLastPathArgument();
216 if (lastArg instanceof NodeWithValue<?> withValue) {
217 writer.scalarValue(withValue.getValue());
220 } catch (IOException e) {
221 throw new IllegalArgumentException("Failed to convert " + id, e);
223 return result.getResult().data();