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.tree;
10 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
11 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
12 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
13 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
14 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
15 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
16 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeFactory;
17 import org.opendaylight.yangtools.yang.data.api.schema.tree.TipProducingDataTree;
18 import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
19 import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.TreeNodeFactory;
20 import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.Version;
21 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
22 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
23 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
26 * A factory for creating in-memory data trees.
28 public final class InMemoryDataTreeFactory implements DataTreeFactory {
29 private static final InMemoryDataTreeFactory INSTANCE = new InMemoryDataTreeFactory();
30 private final NormalizedNode<?, ?> rootContainer = ImmutableNodes.containerNode(SchemaContext.NAME);
32 private InMemoryDataTreeFactory() {
33 // Never instantiated externally
37 public TipProducingDataTree create() {
38 return create(TreeType.OPERATIONAL);
42 public TipProducingDataTree create(final TreeType treeType) {
43 return new InMemoryDataTree(TreeNodeFactory.createTreeNode(rootContainer, Version.initial()),
44 treeType, YangInstanceIdentifier.EMPTY, null);
48 public TipProducingDataTree create(final TreeType treeType, final YangInstanceIdentifier rootPath) {
49 final NormalizedNode<?, ?> root;
50 final PathArgument arg = rootPath.getLastPathArgument();
51 if (arg instanceof NodeIdentifier) {
53 } else if (arg instanceof NodeIdentifierWithPredicates) {
54 final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> b = ImmutableNodes.mapEntryBuilder();
55 b.withNodeIdentifier((NodeIdentifierWithPredicates) arg);
58 // FIXME: implement augmentations and leaf-lists
59 throw new IllegalArgumentException("Unsupported root node " + arg);
62 return new InMemoryDataTree(TreeNodeFactory.createTreeNode(root, Version.initial()), treeType, rootPath, null);
66 * Get an instance of this factory. This method cannot fail.
68 * @return Data tree factory instance.
70 public static InMemoryDataTreeFactory getInstance() {