2 * Copyright (c) 2016 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.restconf.nb.rfc8040.rests.utils;
10 import java.util.ArrayList;
11 import java.util.Iterator;
12 import java.util.List;
13 import org.opendaylight.restconf.nb.rfc8040.rests.transactions.RestconfTransaction;
14 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
15 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
16 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
17 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
18 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
21 * Util class for common methods of transactions.
23 public final class TransactionUtil {
24 private TransactionUtil() {
29 * Merged parents of data.
31 * @param path path of data
32 * @param schemaContext {@link SchemaContext}
33 * @param transaction A handle to a set of DS operations
35 // FIXME: this method should only be invoked in MdsalRestconfStrategy, and even then only if we are crossing
37 public static void ensureParentsByMerge(final YangInstanceIdentifier path, final SchemaContext schemaContext,
38 final RestconfTransaction transaction) {
39 final List<PathArgument> normalizedPathWithoutChildArgs = new ArrayList<>();
40 YangInstanceIdentifier rootNormalizedPath = null;
42 final Iterator<PathArgument> it = path.getPathArguments().iterator();
44 while (it.hasNext()) {
45 final PathArgument pathArgument = it.next();
46 if (rootNormalizedPath == null) {
47 rootNormalizedPath = YangInstanceIdentifier.create(pathArgument);
51 normalizedPathWithoutChildArgs.add(pathArgument);
55 if (normalizedPathWithoutChildArgs.isEmpty()) {
59 final NormalizedNode parentStructure = ImmutableNodes.fromInstanceId(schemaContext,
60 YangInstanceIdentifier.create(normalizedPathWithoutChildArgs));
61 transaction.merge(rootNormalizedPath, parentStructure);