2 * Copyright (c) 2019 PANTHEON.tech, s.r.o. 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.rfc7952.data.api;
10 import com.google.common.annotations.Beta;
11 import java.util.Optional;
12 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
13 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodeContainer;
16 * RFC7952 metadata counterpart to a {@link NormalizedNodeContainer}.
18 * @author Robert Varga
21 public interface NormalizedMetadataContainer extends NormalizedMetadata {
23 * Returns child node identified by provided key.
25 * @param child Path argument identifying child node
26 * @return Optional with child node if child exists, {@link Optional#empty()} if it does not.
28 Optional<? extends NormalizedMetadata> getChild(PathArgument child);