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.tree.spi;
10 import com.google.common.collect.Collections2;
11 import java.util.Collection;
12 import java.util.Optional;
13 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
14 import org.opendaylight.yangtools.yang.data.api.schema.DistinctNodeContainer;
15 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
16 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeCandidateNode;
18 abstract class AbstractRecursiveCandidateNode extends AbstractDataTreeCandidateNode {
19 AbstractRecursiveCandidateNode(final DistinctNodeContainer<PathArgument, NormalizedNode> data) {
24 public final Optional<DataTreeCandidateNode> getModifiedChild(final PathArgument identifier) {
25 return data().findChildByArg(identifier).map(this::createChild);
29 public final Collection<DataTreeCandidateNode> getChildNodes() {
30 return Collections2.transform(data().body(), this::createChild);
33 abstract DataTreeCandidateNode createContainer(DistinctNodeContainer<PathArgument, NormalizedNode> childData);
35 abstract DataTreeCandidateNode createLeaf(NormalizedNode childData);
37 @SuppressWarnings("unchecked")
38 private DataTreeCandidateNode createChild(final NormalizedNode childData) {
39 if (childData instanceof DistinctNodeContainer) {
40 return createContainer((DistinctNodeContainer<PathArgument, NormalizedNode>) childData);
42 return createLeaf(childData);