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.yangtools.yang.model.immutable;
10 import static java.util.Objects.requireNonNull;
12 import java.util.Collection;
14 import java.util.Optional;
15 import org.opendaylight.yangtools.yang.common.QName;
16 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
17 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
19 abstract class AbstractDataNodeContainer implements DataNodeContainer {
21 abstract Map<QName, DataSchemaNode> children();
24 public final Collection<DataSchemaNode> getChildNodes() {
25 return children().values();
29 public final Optional<DataSchemaNode> findDataChildByName(final QName name) {
30 return Optional.ofNullable(children().get(requireNonNull(name)));