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.yang.data.util;
10 import static com.google.common.base.Preconditions.checkState;
12 import com.google.common.annotations.Beta;
13 import java.io.IOException;
14 import org.opendaylight.yangtools.yang.common.MountPointLabel;
15 import org.opendaylight.yangtools.yang.data.api.schema.MountPointContextFactory;
16 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
17 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter.MetadataExtension;
18 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
21 * A {@link CompositeNodeDataWithSchema} which can hold mount-point data. This data is manipulated through
22 * {@link #getMountPointData(MountPointLabel, MountPointContextFactory)}.
25 public abstract sealed class AbstractMountPointDataWithSchema<T extends DataSchemaNode>
26 extends CompositeNodeDataWithSchema<T> permits ContainerNodeDataWithSchema, ListEntryNodeDataWithSchema {
27 private MountPointData mountedData;
29 AbstractMountPointDataWithSchema(final T schema) {
34 public void write(final NormalizedNodeStreamWriter writer, final MetadataExtension metaWriter) throws IOException {
35 super.write(writer, metaWriter);
36 if (mountedData != null) {
37 mountedData.write(writer);
41 public final MountPointData getMountPointData(final MountPointLabel label, final MountPointContextFactory factory) {
42 if (mountedData != null) {
43 final var existing = mountedData.label();
44 checkState(label.equals(existing), "Mismatched mount label %s, already have %s", label, existing);
46 mountedData = new MountPointData(label, factory);