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.OrderedMapNode;
19 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeConfiguration;
20 import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.TreeNode;
21 import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.Version;
22 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
23 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableMapNodeBuilder;
24 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableOrderedMapNodeBuilder;
25 import org.opendaylight.yangtools.yang.data.impl.schema.tree.AbstractNodeContainerModificationStrategy.Invisible;
26 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
28 final class MapModificationStrategy extends Invisible<ListSchemaNode> {
29 private static final NormalizedNodeContainerSupport<NodeIdentifier, OrderedMapNode> ORDERED_SUPPORT =
30 new NormalizedNodeContainerSupport<>(OrderedMapNode.class, ChildTrackingPolicy.ORDERED,
31 ImmutableOrderedMapNodeBuilder::create, ImmutableOrderedMapNodeBuilder::create);
32 private static final NormalizedNodeContainerSupport<NodeIdentifier, MapNode> UNORDERED_SUPPORT =
33 new NormalizedNodeContainerSupport<>(MapNode.class, ImmutableMapNodeBuilder::create,
34 ImmutableMapNodeBuilder::create);
36 private final @NonNull MapNode emptyNode;
38 private MapModificationStrategy(final NormalizedNodeContainerSupport<?, ?> support, final ListSchemaNode schema,
39 final DataTreeConfiguration treeConfig, final MapNode emptyNode) {
40 super(support, treeConfig, MapEntryModificationStrategy.of(schema, treeConfig));
41 this.emptyNode = requireNonNull(emptyNode);
44 static MapModificationStrategy of(final ListSchemaNode schema, final DataTreeConfiguration treeConfig) {
45 final NormalizedNodeContainerSupport<?, ?> support;
46 final MapNode emptyNode;
47 if (schema.isUserOrdered()) {
48 support = ORDERED_SUPPORT;
49 emptyNode = ImmutableNodes.orderedMapNode(schema.getQName());
51 support = UNORDERED_SUPPORT;
52 emptyNode = ImmutableNodes.mapNode(schema.getQName());
54 return new MapModificationStrategy(support, schema, treeConfig, emptyNode);
58 public ModificationApplyOperation childByArg(final PathArgument arg) {
59 return arg instanceof NodeIdentifierWithPredicates ? entryStrategy() : null;
63 Optional<? extends TreeNode> apply(final ModifiedNode modification, final Optional<? extends TreeNode> storeMeta,
64 final Version version) {
65 return AutomaticLifecycleMixin.apply(super::apply, this::applyWrite, emptyNode, modification, storeMeta,
70 TreeNode defaultTreeNode() {
71 return defaultTreeNode(emptyNode);