2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
3 * This program and the accompanying materials are made available under the
4 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
5 * and is available at http://www.eclipse.org/legal/epl-v10.html
7 package org.opendaylight.controller.md.sal.dom.api;
9 import com.google.common.base.MoreObjects;
10 import com.google.common.base.Preconditions;
11 import java.io.Serializable;
12 import java.util.Iterator;
13 import javax.annotation.Nonnull;
14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
15 import org.opendaylight.yangtools.concepts.Immutable;
16 import org.opendaylight.yangtools.concepts.Path;
17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
21 * A unique identifier for a particular subtree. It is composed of the logical
22 * data store type and the instance identifier of the root node.
24 public final class DOMDataTreeIdentifier implements Immutable, Path<DOMDataTreeIdentifier>, Serializable, Comparable<DOMDataTreeIdentifier> {
25 private static final long serialVersionUID = 1L;
26 private final YangInstanceIdentifier rootIdentifier;
27 private final LogicalDatastoreType datastoreType;
29 public DOMDataTreeIdentifier(final LogicalDatastoreType datastoreType, final YangInstanceIdentifier rootIdentifier) {
30 this.datastoreType = Preconditions.checkNotNull(datastoreType);
31 this.rootIdentifier = Preconditions.checkNotNull(rootIdentifier);
35 * Return the logical data store type.
37 * @return Logical data store type. Guaranteed to be non-null.
39 public @Nonnull LogicalDatastoreType getDatastoreType() {
44 * Return the {@link YangInstanceIdentifier} of the root node.
46 * @return Instance identifier corresponding to the root node.
48 public @Nonnull YangInstanceIdentifier getRootIdentifier() {
49 return rootIdentifier;
53 public boolean contains(final DOMDataTreeIdentifier other) {
54 return datastoreType == other.datastoreType && rootIdentifier.contains(other.rootIdentifier);
58 public int hashCode() {
61 result = prime * result + datastoreType.hashCode();
62 result = prime * result + rootIdentifier.hashCode();
67 public boolean equals(final Object obj) {
71 if (!(obj instanceof DOMDataTreeIdentifier)) {
74 DOMDataTreeIdentifier other = (DOMDataTreeIdentifier) obj;
75 if (datastoreType != other.datastoreType) {
78 return rootIdentifier.equals(other.rootIdentifier);
82 public int compareTo(final DOMDataTreeIdentifier o) {
83 int i = datastoreType.compareTo(o.datastoreType);
88 final Iterator<PathArgument> mi = rootIdentifier.getPathArguments().iterator();
89 final Iterator<PathArgument> oi = o.rootIdentifier.getPathArguments().iterator();
91 while (mi.hasNext()) {
96 final PathArgument ma = mi.next();
97 final PathArgument oa = oi.next();
104 return oi.hasNext() ? -1 : 0;
108 public String toString() {
109 return MoreObjects.toStringHelper(this).add("datastore", datastoreType).add("root", rootIdentifier).toString();