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 com.google.common.base.Preconditions;
11 import java.util.Map.Entry;
12 import java.util.Optional;
13 import org.opendaylight.yangtools.yang.common.QName;
14 import org.opendaylight.yangtools.yang.data.api.ModifyAction;
15 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
16 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
18 import org.opendaylight.yangtools.yang.data.api.schema.ChoiceNode;
19 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
20 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
21 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
22 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
23 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
24 import org.opendaylight.yangtools.yang.data.api.schema.OrderedMapNode;
25 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
26 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
27 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
28 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableChoiceNodeBuilder;
29 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
30 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableLeafNodeBuilder;
31 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableMapEntryNodeBuilder;
32 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableMapNodeBuilder;
33 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableOrderedMapNodeBuilder;
34 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableUnkeyedListNodeBuilder;
35 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
36 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
38 public final class ImmutableNodes {
40 private ImmutableNodes() {
41 throw new UnsupportedOperationException("Utilities class should not be instantiated");
44 public static CollectionNodeBuilder<MapEntryNode, MapNode> mapNodeBuilder() {
45 return ImmutableMapNodeBuilder.create();
48 public static CollectionNodeBuilder<MapEntryNode, MapNode> mapNodeBuilder(final QName name) {
49 return mapNodeBuilder(NodeIdentifier.create(name));
52 public static CollectionNodeBuilder<MapEntryNode, MapNode> mapNodeBuilder(final NodeIdentifier name) {
53 return ImmutableMapNodeBuilder.create().withNodeIdentifier(name);
57 * Create an immutable map node.
59 * @param name QName which will be used as node identifier
60 * @return An unordered Map node
62 public static MapNode mapNode(final QName name) {
63 return mapNodeBuilder(name).build();
66 private static CollectionNodeBuilder<MapEntryNode, OrderedMapNode> orderedMapNodeBuilder(final QName qname) {
67 return orderedMapNodeBuilder().withNodeIdentifier(NodeIdentifier.create(qname));
70 private static CollectionNodeBuilder<MapEntryNode, OrderedMapNode> orderedMapNodeBuilder() {
71 return ImmutableOrderedMapNodeBuilder.create();
75 * Create immutable ordered map node.
77 * @param name QName which will be used as node identifier
78 * @return An ordered Map node
80 public static OrderedMapNode orderedMapNode(final QName name) {
81 return orderedMapNodeBuilder(name).build();
85 * Construct immutable leaf node.
87 * @param name Identifier of leaf node
88 * @param value Value of leaf node
89 * @param <T> Type of leaf node value
90 * @return Leaf node with supplied identifier and value
92 public static <T> LeafNode<T> leafNode(final NodeIdentifier name, final T value) {
93 return ImmutableLeafNodeBuilder.<T>create()
94 .withNodeIdentifier(name)
100 * Construct immutable leaf node.
102 * @param name QName which will be used as node identifier
103 * @param value Value of leaf node.
104 * @param <T> Type of leaf node value
105 * @return Leaf node with supplied identifier and value
107 public static <T> LeafNode<T> leafNode(final QName name, final T value) {
108 return leafNode(NodeIdentifier.create(name), value);
111 public static DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> mapEntryBuilder(
112 final QName nodeName, final QName keyName, final Object keyValue) {
113 return ImmutableMapEntryNodeBuilder.create()
114 .withNodeIdentifier(new NodeIdentifierWithPredicates(nodeName, keyName, keyValue))
115 .withChild(leafNode(keyName, keyValue));
118 public static DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> mapEntryBuilder() {
119 return ImmutableMapEntryNodeBuilder.create();
122 public static MapEntryNode mapEntry(final QName nodeName,final QName keyName,final Object keyValue) {
123 return mapEntryBuilder(nodeName, keyName, keyValue).build();
127 * Create an immutable container node.
129 * @param name QName which will be used as node identifier
130 * @return A container node
132 public static ContainerNode containerNode(final QName name) {
133 return ImmutableContainerNodeBuilder.create().withNodeIdentifier(NodeIdentifier.create(name)).build();
137 * Create an immutable choice node.
139 * @param name QName which will be used as node identifier
140 * @return A choice node
142 public static ChoiceNode choiceNode(final QName name) {
143 return ImmutableChoiceNodeBuilder.create().withNodeIdentifier(NodeIdentifier.create(name)).build();
147 * Create an immutable list node.
149 * @param name QName which will be used as node identifier
150 * @return An unkeyed list node
152 public static UnkeyedListNode listNode(final QName name) {
153 return ImmutableUnkeyedListNodeBuilder.create().withNodeIdentifier(NodeIdentifier.create(name)).build();
157 * Convert YangInstanceIdentifier into a normalized node structure.
159 * @param ctx schema context to used during serialization
160 * @param id instance identifier to convert to node structure starting from root
161 * @return serialized normalized node for provided instance Id
163 public static NormalizedNode<?, ?> fromInstanceId(final SchemaContext ctx, final YangInstanceIdentifier id) {
164 return fromInstanceId(ctx, id, Optional.empty(), Optional.empty());
168 * Convert YangInstanceIdentifier into a normalized node structure.
170 * @param ctx schema context to used during serialization
171 * @param id instance identifier to convert to node structure starting from root
172 * @param deepestElement pre-built deepest child that will be inserted at the last path argument of provided
173 * instance identifier
174 * @return serialized normalized node for provided instance Id with overridden last child.
176 public static NormalizedNode<?, ?> fromInstanceId(final SchemaContext ctx, final YangInstanceIdentifier id,
177 final NormalizedNode<?, ?> deepestElement) {
178 return fromInstanceId(ctx, id, Optional.of(deepestElement), Optional.empty());
182 * Convert YangInstanceIdentifier into a normalized node structure.
184 * @param ctx schema context to used during serialization
185 * @param id instance identifier to convert to node structure starting from root
186 * @param deepestElement pre-built deepest child that will be inserted at the last path argument of provided
187 * instance identifier
188 * @param operation modify operation attribute to be added to the deepest child. QName is the operation attribute
189 * key and ModifyAction is the value.
190 * @return serialized normalized node for provided instance Id with (optionally) overridden last child
191 * and (optionally) marked with specific operation attribute.
193 public static NormalizedNode<?, ?> fromInstanceId(final SchemaContext ctx, final YangInstanceIdentifier id,
194 final Optional<NormalizedNode<?, ?>> deepestElement, final Optional<Entry<QName, ModifyAction>> operation) {
195 final YangInstanceIdentifier.PathArgument topLevelElement = id.getPathArguments().get(0);
196 final DataSchemaNode dataChildByName = ctx.getDataChildByName(topLevelElement.getNodeType());
197 Preconditions.checkNotNull(dataChildByName,
198 "Cannot find %s node in schema context. Instance identifier has to start from root", topLevelElement);
199 final InstanceIdToNodes<?> instanceIdToNodes = InstanceIdToNodes.fromSchemaAndQNameChecked(ctx,
200 topLevelElement.getNodeType());
201 return instanceIdToNodes.create(id, deepestElement, operation);