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 java.util.HashMap;
11 import java.util.List;
13 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
14 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
15 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
16 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode;
17 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
18 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeContainerBuilder;
19 import org.opendaylight.yangtools.yang.data.impl.schema.nodes.AbstractImmutableDataContainerNode;
21 abstract class AbstractImmutableDataContainerNodeBuilder<I extends YangInstanceIdentifier.PathArgument, R extends DataContainerNode<I>> implements DataContainerNodeBuilder<I, R> {
22 private static final int DEFAULT_CAPACITY = 4;
23 private Map<YangInstanceIdentifier.PathArgument, DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?>> value;
24 private I nodeIdentifier;
27 * Tracks whether the builder is dirty, e.g. whether the value map has been used
28 * to construct a child. If it has, we detect this condition before any further
29 * modification and create a new value map with same contents. This way we do not
30 * force a map copy if the builder is not reused.
32 private boolean dirty;
34 protected AbstractImmutableDataContainerNodeBuilder() {
35 this.value = new HashMap<>(DEFAULT_CAPACITY);
39 protected AbstractImmutableDataContainerNodeBuilder(final int sizeHint) {
40 this.value = new HashMap<>(DEFAULT_CAPACITY);
44 protected AbstractImmutableDataContainerNodeBuilder(final AbstractImmutableDataContainerNode<I> node) {
45 this.nodeIdentifier = node.getIdentifier();
46 this.value = node.getChildren();
50 protected final I getNodeIdentifier() {
51 return nodeIdentifier;
54 protected final DataContainerChild<? extends PathArgument, ?> getChild(final PathArgument child) {
55 return value.get(child);
58 protected final Map<PathArgument, DataContainerChild<? extends PathArgument, ?>> buildValue() {
63 private void checkDirty() {
65 value = new HashMap<>(value);
71 public DataContainerNodeBuilder<I, R> withValue(final List<DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?>> value) {
72 // TODO Replace or putAll ?
73 for (final DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?> dataContainerChild : value) {
74 withChild(dataContainerChild);
80 public DataContainerNodeBuilder<I, R> withChild(final DataContainerChild<?, ?> child) {
82 this.value.put(child.getIdentifier(), child);
87 public DataContainerNodeBuilder<I, R> withoutChild(final PathArgument key) {
89 this.value.remove(key);
94 public DataContainerNodeBuilder<I, R> withNodeIdentifier(final I nodeIdentifier) {
95 this.nodeIdentifier = nodeIdentifier;
100 public DataContainerNodeBuilder<I, R> addChild(
101 final DataContainerChild<? extends PathArgument, ?> child) {
102 return withChild(child);
106 public NormalizedNodeContainerBuilder<I, PathArgument, DataContainerChild<? extends PathArgument, ?>, R> removeChild(final PathArgument key) {
107 return withoutChild(key);