2 * Copyright (c) 2015 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.api;
10 import com.google.common.base.Preconditions;
11 import com.google.common.collect.Lists;
12 import java.util.ArrayList;
13 import java.util.Collection;
14 import java.util.List;
16 import org.opendaylight.yangtools.util.HashCodeBuilder;
17 import org.opendaylight.yangtools.yang.common.QName;
18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.InstanceIdentifierBuilder;
19 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
20 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
21 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
23 final class YangInstanceIdentifierBuilder implements InstanceIdentifierBuilder {
24 private final HashCodeBuilder<PathArgument> hash;
25 private final List<PathArgument> path;
27 YangInstanceIdentifierBuilder() {
28 this.hash = new HashCodeBuilder<>();
29 this.path = new ArrayList<>();
32 YangInstanceIdentifierBuilder(final Iterable<PathArgument> prefix, final int hash) {
33 this.path = Lists.newArrayList(prefix);
34 this.hash = new HashCodeBuilder<>(hash);
37 private InstanceIdentifierBuilder addArgument(final PathArgument arg) {
39 hash.addArgument(arg);
44 public InstanceIdentifierBuilder node(final PathArgument arg) {
45 return addArgument(Preconditions.checkNotNull(arg));
49 public InstanceIdentifierBuilder node(final QName nodeType) {
50 return addArgument(new NodeIdentifier(nodeType));
54 public InstanceIdentifierBuilder append(final Collection<? extends PathArgument> args) {
56 args.forEach(hash::addArgument);
61 public InstanceIdentifierBuilder nodeWithKey(final QName nodeType, final QName key, final Object value) {
62 return addArgument(new NodeIdentifierWithPredicates(nodeType, key, value));
66 public InstanceIdentifierBuilder nodeWithKey(final QName nodeType, final Map<QName, Object> keyValues) {
67 return addArgument(new NodeIdentifierWithPredicates(nodeType, keyValues));
71 public YangInstanceIdentifier build() {
72 return FixedYangInstanceIdentifier.create(path, hash.build());