--- /dev/null
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.yang.data.impl.schema;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.util.Iterator;
+import java.util.Optional;
+import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
+import org.opendaylight.yangtools.yang.data.api.schema.ChoiceNode;
+import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
+import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
+import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.SystemMapNode;
+import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
+import org.opendaylight.yangtools.yang.data.api.schema.UserMapNode;
+import org.opendaylight.yangtools.yang.data.api.schema.builder.CollectionNodeBuilder;
+import org.opendaylight.yangtools.yang.data.api.schema.builder.DataContainerNodeBuilder;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableChoiceNodeBuilder;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableLeafNodeBuilder;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableMapEntryNodeBuilder;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableMapNodeBuilder;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableUnkeyedListNodeBuilder;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableUserMapNodeBuilder;
+import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+
+public final class ImmutableNodes {
+ // FIXME: YANGTOOLS-1074: we do not want this name
+ private static final NodeIdentifier SCHEMACONTEXT_NAME = NodeIdentifier.create(SchemaContext.NAME);
+
+ private ImmutableNodes() {
+ // Hidden on purpose
+ }
+
+ public static @NonNull CollectionNodeBuilder<MapEntryNode, SystemMapNode> mapNodeBuilder() {
+ return ImmutableMapNodeBuilder.create();
+ }
+
+ public static @NonNull CollectionNodeBuilder<MapEntryNode, SystemMapNode> mapNodeBuilder(final QName name) {
+ return mapNodeBuilder(NodeIdentifier.create(name));
+ }
+
+ public static @NonNull CollectionNodeBuilder<MapEntryNode, SystemMapNode> mapNodeBuilder(
+ final NodeIdentifier name) {
+ return ImmutableMapNodeBuilder.create().withNodeIdentifier(name);
+ }
+
+ /**
+ * Create an immutable map node.
+ *
+ * @param name QName which will be used as node identifier
+ * @return An unordered Map node
+ */
+ public static @NonNull SystemMapNode mapNode(final QName name) {
+ return mapNode(NodeIdentifier.create(name));
+ }
+
+ /**
+ * Create an immutable map node.
+ *
+ * @param name QName which will be used as node identifier
+ * @return An unordered Map node
+ */
+ public static @NonNull SystemMapNode mapNode(final NodeIdentifier name) {
+ return mapNodeBuilder(name).build();
+ }
+
+ /**
+ * Create immutable ordered map node.
+ *
+ * @param name QName which will be used as node identifier
+ * @return An ordered Map node
+ */
+ public static @NonNull UserMapNode orderedMapNode(final QName name) {
+ return orderedMapNode(NodeIdentifier.create(name));
+ }
+
+ /**
+ * Create immutable ordered map node.
+ *
+ * @param name Node identifier
+ * @return An ordered Map node
+ */
+ public static @NonNull UserMapNode orderedMapNode(final NodeIdentifier name) {
+ return ImmutableUserMapNodeBuilder.create().withNodeIdentifier(name).build();
+ }
+
+ /**
+ * Construct immutable leaf node.
+ *
+ * @param name Identifier of leaf node
+ * @param value Value of leaf node
+ * @param <T> Type of leaf node value
+ * @return Leaf node with supplied identifier and value
+ */
+ public static <T> @NonNull LeafNode<T> leafNode(final NodeIdentifier name, final T value) {
+ return ImmutableLeafNodeBuilder.createNode(name, value);
+ }
+
+ /**
+ * Construct immutable leaf node.
+ *
+ * @param name QName which will be used as node identifier
+ * @param value Value of leaf node.
+ * @param <T> Type of leaf node value
+ * @return Leaf node with supplied identifier and value
+ */
+ public static <T> @NonNull LeafNode<T> leafNode(final QName name, final T value) {
+ return leafNode(NodeIdentifier.create(name), value);
+ }
+
+ public static @NonNull DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> mapEntryBuilder(
+ final QName nodeName, final QName keyName, final Object keyValue) {
+ return ImmutableMapEntryNodeBuilder.create()
+ .withNodeIdentifier(NodeIdentifierWithPredicates.of(nodeName, keyName, keyValue))
+ .withChild(leafNode(keyName, keyValue));
+ }
+
+ public static @NonNull DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> mapEntryBuilder() {
+ return ImmutableMapEntryNodeBuilder.create();
+ }
+
+ public static @NonNull MapEntryNode mapEntry(final QName nodeName, final QName keyName, final Object keyValue) {
+ return mapEntryBuilder(nodeName, keyName, keyValue).build();
+ }
+
+ /**
+ * Create an immutable container node.
+ *
+ * @param name QName which will be used as node identifier
+ * @return A container node
+ */
+ public static @NonNull ContainerNode containerNode(final QName name) {
+ return containerNode(NodeIdentifier.create(name));
+ }
+
+ /**
+ * Create an immutable container node.
+ *
+ * @param name Node identifier
+ * @return A container node
+ */
+ public static @NonNull ContainerNode containerNode(final NodeIdentifier name) {
+ return ImmutableContainerNodeBuilder.create().withNodeIdentifier(name).build();
+ }
+
+ /**
+ * Create an immutable choice node.
+ *
+ * @param name QName which will be used as node identifier
+ * @return A choice node
+ */
+ public static @NonNull ChoiceNode choiceNode(final QName name) {
+ return choiceNode(NodeIdentifier.create(name));
+ }
+
+ /**
+ * Create an immutable choice node.
+ *
+ * @param name Node identifier
+ * @return A choice node
+ */
+ public static @NonNull ChoiceNode choiceNode(final NodeIdentifier name) {
+ return ImmutableChoiceNodeBuilder.create().withNodeIdentifier(name).build();
+ }
+
+ /**
+ * Create an immutable list node.
+ *
+ * @param name QName which will be used as node identifier
+ * @return An unkeyed list node
+ */
+ public static @NonNull UnkeyedListNode listNode(final QName name) {
+ return listNode(NodeIdentifier.create(name));
+ }
+
+ /**
+ * Create an immutable list node.
+ *
+ * @param name Node identifier
+ * @return An unkeyed list node
+ */
+ public static @NonNull UnkeyedListNode listNode(final NodeIdentifier name) {
+ return ImmutableUnkeyedListNodeBuilder.create().withNodeIdentifier(name).build();
+ }
+
+ /**
+ * Convert YangInstanceIdentifier into a normalized node structure.
+ *
+ * @param ctx schema context to used during serialization
+ * @param id instance identifier to convert to node structure starting from root
+ * @return serialized normalized node for provided instance Id
+ */
+ public static @NonNull NormalizedNode fromInstanceId(final SchemaContext ctx, final YangInstanceIdentifier id) {
+ return fromInstanceId(ctx, id, Optional.empty());
+ }
+
+ /**
+ * Convert YangInstanceIdentifier into a normalized node structure.
+ *
+ * @param ctx schema context to used during serialization
+ * @param id instance identifier to convert to node structure starting from root
+ * @param deepestElement pre-built deepest child that will be inserted at the last path argument of provided
+ * instance identifier
+ * @return serialized normalized node for provided instance Id with overridden last child.
+ */
+ public static @NonNull NormalizedNode fromInstanceId(final SchemaContext ctx, final YangInstanceIdentifier id,
+ final NormalizedNode deepestElement) {
+ return fromInstanceId(ctx, id, Optional.of(deepestElement));
+ }
+
+ /**
+ * Convert YangInstanceIdentifier into a normalized node structure.
+ *
+ * @param ctx schema context to used during serialization
+ * @param id instance identifier to convert to node structure starting from root
+ * @param deepestElement pre-built deepest child that will be inserted at the last path argument of provided
+ * instance identifier
+ * @return serialized normalized node for provided instance Id with (optionally) overridden last child
+ * and (optionally) marked with specific operation attribute.
+ */
+ public static @NonNull NormalizedNode fromInstanceId(final SchemaContext ctx, final YangInstanceIdentifier id,
+ final Optional<NormalizedNode> deepestElement) {
+ final PathArgument topLevelElement;
+ final InstanceIdToNodes<?> instanceIdToNodes;
+ final Iterator<PathArgument> it = id.getPathArguments().iterator();
+ if (it.hasNext()) {
+ topLevelElement = it.next();
+ final DataSchemaNode dataChildByName = ctx.dataChildByName(topLevelElement.getNodeType());
+ checkNotNull(dataChildByName,
+ "Cannot find %s node in schema context. Instance identifier has to start from root", topLevelElement);
+ instanceIdToNodes = InstanceIdToNodes.fromSchemaAndQNameChecked(ctx, topLevelElement.getNodeType());
+ } else {
+ topLevelElement = SCHEMACONTEXT_NAME;
+ instanceIdToNodes = InstanceIdToNodes.fromDataSchemaNode(ctx);
+ }
+
+ return instanceIdToNodes.create(topLevelElement, it, deepestElement);
+ }
+}
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