2 * Copyright (c) 2013 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.builder.impl;
10 import com.google.common.base.Optional;
11 import com.google.common.collect.Maps;
12 import java.util.Collection;
13 import java.util.HashMap;
15 import org.opendaylight.yangtools.concepts.Immutable;
16 import org.opendaylight.yangtools.util.MapAdaptor;
17 import org.opendaylight.yangtools.util.UnmodifiableCollection;
18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
19 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
20 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
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.impl.schema.builder.api.CollectionNodeBuilder;
24 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeContainerBuilder;
25 import org.opendaylight.yangtools.yang.data.impl.schema.nodes.AbstractImmutableNormalizedNode;
27 public class ImmutableMapNodeBuilder implements CollectionNodeBuilder<MapEntryNode, MapNode> {
28 private static final int DEFAULT_CAPACITY = 4;
29 private final Map<YangInstanceIdentifier.NodeIdentifierWithPredicates, MapEntryNode> value;
30 private YangInstanceIdentifier.NodeIdentifier nodeIdentifier;
32 protected ImmutableMapNodeBuilder() {
33 this.value = new HashMap<>(DEFAULT_CAPACITY);
36 protected ImmutableMapNodeBuilder(final int sizeHint) {
38 this.value = Maps.newHashMapWithExpectedSize(sizeHint);
40 this.value = new HashMap<>(DEFAULT_CAPACITY);
44 protected ImmutableMapNodeBuilder(final ImmutableMapNode node) {
45 this.nodeIdentifier = node.getIdentifier();
46 this.value = MapAdaptor.getDefaultInstance().takeSnapshot(node.children);
49 public static CollectionNodeBuilder<MapEntryNode, MapNode> create() {
50 return new ImmutableMapNodeBuilder();
53 public static CollectionNodeBuilder<MapEntryNode, MapNode> create(final int sizeHint) {
54 return new ImmutableMapNodeBuilder(sizeHint);
57 public static CollectionNodeBuilder<MapEntryNode, MapNode> create(final MapNode node) {
58 if (!(node instanceof ImmutableMapNode)) {
59 throw new UnsupportedOperationException(String.format("Cannot initialize from class %s", node.getClass()));
62 return new ImmutableMapNodeBuilder((ImmutableMapNode) node);
66 public CollectionNodeBuilder<MapEntryNode, MapNode> withChild(final MapEntryNode child) {
67 this.value.put(child.getIdentifier(), child);
72 public CollectionNodeBuilder<MapEntryNode, MapNode> withoutChild(final YangInstanceIdentifier.PathArgument key) {
73 this.value.remove(key);
78 public CollectionNodeBuilder<MapEntryNode, MapNode> withValue(final Collection<MapEntryNode> value) {
79 // TODO replace or putAll ?
80 for (final MapEntryNode mapEntryNode : value) {
81 withChild(mapEntryNode);
88 public CollectionNodeBuilder<MapEntryNode, MapNode> withNodeIdentifier(final YangInstanceIdentifier.NodeIdentifier nodeIdentifier) {
89 this.nodeIdentifier = nodeIdentifier;
94 public MapNode build() {
95 return new ImmutableMapNode(nodeIdentifier, MapAdaptor.getDefaultInstance().optimize(value));
99 public CollectionNodeBuilder<MapEntryNode, MapNode> addChild(
100 final MapEntryNode child) {
101 return withChild(child);
106 public NormalizedNodeContainerBuilder<NodeIdentifier, PathArgument, MapEntryNode, MapNode> removeChild(
107 final PathArgument key) {
108 return withoutChild(key);
111 protected static final class ImmutableMapNode extends AbstractImmutableNormalizedNode<YangInstanceIdentifier.NodeIdentifier, Collection<MapEntryNode>> implements Immutable,MapNode {
113 private final Map<YangInstanceIdentifier.NodeIdentifierWithPredicates, MapEntryNode> children;
115 ImmutableMapNode(final YangInstanceIdentifier.NodeIdentifier nodeIdentifier,
116 final Map<YangInstanceIdentifier.NodeIdentifierWithPredicates, MapEntryNode> children) {
117 super(nodeIdentifier);
118 this.children = children;
122 public Optional<MapEntryNode> getChild(final YangInstanceIdentifier.NodeIdentifierWithPredicates child) {
123 return Optional.fromNullable(children.get(child));
127 public Collection<MapEntryNode> getValue() {
128 return UnmodifiableCollection.create(children.values());
132 protected int valueHashCode() {
133 return children.hashCode();
137 protected boolean valueEquals(final AbstractImmutableNormalizedNode<?, ?> other) {
138 return children.equals(((ImmutableMapNode) other).children);