2 * Copyright (c) 2014 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.controller.sal.dom.broker.util;
10 import static com.google.common.base.Preconditions.checkArgument;
12 import java.util.HashMap;
13 import java.util.List;
15 import java.util.concurrent.ConcurrentHashMap;
17 import org.opendaylight.yangtools.yang.common.QName;
18 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
19 import org.opendaylight.yangtools.yang.data.api.SimpleNode;
21 public final class YangDataUtils {
23 private YangDataUtils() {
24 throw new UnsupportedOperationException("Utility class");
27 public static Map<Map<QName,Object>,CompositeNode> toIndexMap(final List<CompositeNode> nodes,final List<QName> keys) {
28 ConcurrentHashMap<Map<QName,Object>,CompositeNode> ret = new ConcurrentHashMap<>();
29 for(CompositeNode node : nodes) {
30 Map<QName, Object> key = getKeyMap(node,keys);
36 public static Map<QName,Object> getKeyMap(final CompositeNode node, final List<QName> keys) {
37 Map<QName,Object> map = new HashMap<>();
38 for(QName key : keys) {
39 SimpleNode<?> keyNode = node.getFirstSimpleByName(QName.create(node.getNodeType(), key.getLocalName()));
40 checkArgument(keyNode != null,"Node must contains all keys.");
41 Object value = keyNode.getValue();