2 * Copyright (c) 2019 Pantheon Technologies, s.r.o. 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 static java.util.Objects.requireNonNull;
12 import java.util.Optional;
13 import org.eclipse.jdt.annotation.NonNull;
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.PathArgument;
17 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
18 import org.opendaylight.yangtools.yang.data.api.schema.SystemMapNode;
19 import org.opendaylight.yangtools.yang.data.api.schema.UserMapNode;
20 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
21 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableMapNodeBuilder;
22 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableUserMapNodeBuilder;
23 import org.opendaylight.yangtools.yang.data.impl.schema.tree.AbstractNodeContainerModificationStrategy.Invisible;
24 import org.opendaylight.yangtools.yang.data.spi.tree.TreeNode;
25 import org.opendaylight.yangtools.yang.data.spi.tree.Version;
26 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeConfiguration;
27 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
29 final class MapModificationStrategy extends Invisible<ListSchemaNode> {
30 private static final NormalizedNodeContainerSupport<NodeIdentifier, UserMapNode> ORDERED_SUPPORT =
31 new NormalizedNodeContainerSupport<>(UserMapNode.class, ChildTrackingPolicy.ORDERED,
32 ImmutableUserMapNodeBuilder::create, ImmutableUserMapNodeBuilder::create);
33 private static final NormalizedNodeContainerSupport<NodeIdentifier, SystemMapNode> UNORDERED_SUPPORT =
34 new NormalizedNodeContainerSupport<>(SystemMapNode.class, ImmutableMapNodeBuilder::create,
35 ImmutableMapNodeBuilder::create);
37 private final @NonNull MapNode emptyNode;
39 private MapModificationStrategy(final NormalizedNodeContainerSupport<?, ?> support, final ListSchemaNode schema,
40 final DataTreeConfiguration treeConfig, final MapNode emptyNode) {
41 super(support, treeConfig, MapEntryModificationStrategy.of(schema, treeConfig));
42 this.emptyNode = requireNonNull(emptyNode);
45 static MapModificationStrategy of(final ListSchemaNode schema, final DataTreeConfiguration treeConfig) {
46 final NormalizedNodeContainerSupport<?, ?> support;
47 final MapNode emptyNode;
48 if (schema.isUserOrdered()) {
49 support = ORDERED_SUPPORT;
50 emptyNode = ImmutableNodes.orderedMapNode(schema.getQName());
52 support = UNORDERED_SUPPORT;
53 emptyNode = ImmutableNodes.mapNode(schema.getQName());
55 return new MapModificationStrategy(support, schema, treeConfig, emptyNode);
59 public ModificationApplyOperation childByArg(final PathArgument arg) {
60 return arg instanceof NodeIdentifierWithPredicates ? entryStrategy() : null;
64 Optional<? extends TreeNode> apply(final ModifiedNode modification, final Optional<? extends TreeNode> storeMeta,
65 final Version version) {
66 return AutomaticLifecycleMixin.apply(super::apply, this::applyWrite, emptyNode, modification, storeMeta,
71 TreeNode defaultTreeNode() {
72 return defaultTreeNode(emptyNode);