2 * Copyright (c) 2014 Brocade Communications 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.controller.cluster.datastore.node.utils.stream;
10 import static org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeStreamVersion.MAGNESIUM;
12 import java.io.DataInput;
13 import java.io.DataOutput;
14 import java.io.IOException;
15 import java.util.Optional;
16 import org.eclipse.jdt.annotation.NonNull;
17 import org.eclipse.jdt.annotation.Nullable;
18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
19 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
20 import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeDataInput;
21 import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeDataOutput;
22 import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeStreamVersion;
25 * Provides various utility methods for serialization and de-serialization.
27 * @author Thomas Pantelis
29 public final class SerializationUtils {
30 private SerializationUtils() {
35 public interface Applier<T> {
36 void apply(T instance, YangInstanceIdentifier path, NormalizedNode node);
39 public static Optional<NormalizedNode> readNormalizedNode(final DataInput in) throws IOException {
40 if (!in.readBoolean()) {
41 return Optional.empty();
43 return Optional.of(NormalizedNodeDataInput.newDataInput(in).readNormalizedNode());
46 public static void writeNormalizedNode(final DataOutput out, final @Nullable NormalizedNode node)
48 writeNormalizedNode(out, MAGNESIUM, node);
51 public static void writeNormalizedNode(final DataOutput out, final NormalizedNodeStreamVersion version,
52 final @Nullable NormalizedNode node) throws IOException {
54 out.writeBoolean(true);
56 try (NormalizedNodeDataOutput stream = version.newDataOutput(out)) {
57 stream.writeNormalizedNode(node);
60 out.writeBoolean(false);
64 public static YangInstanceIdentifier readPath(final DataInput in) throws IOException {
65 return NormalizedNodeDataInput.newDataInput(in).readYangInstanceIdentifier();
68 public static void writePath(final DataOutput out, final @NonNull YangInstanceIdentifier path)
70 writePath(out, MAGNESIUM, path);
73 public static void writePath(final DataOutput out, final NormalizedNodeStreamVersion version,
74 final @NonNull YangInstanceIdentifier path) throws IOException {
75 try (NormalizedNodeDataOutput stream = version.newDataOutput(out)) {
76 stream.writeYangInstanceIdentifier(path);
80 public static <T> void readNodeAndPath(final DataInput in, final T instance, final Applier<T> applier)
82 final NormalizedNodeDataInput stream = NormalizedNodeDataInput.newDataInput(in);
83 NormalizedNode node = stream.readNormalizedNode();
84 YangInstanceIdentifier path = stream.readYangInstanceIdentifier();
85 applier.apply(instance, path, node);
88 public static void writeNodeAndPath(final DataOutput out, final NormalizedNodeStreamVersion version,
89 final YangInstanceIdentifier path, final NormalizedNode node) throws IOException {
90 try (NormalizedNodeDataOutput stream = version.newDataOutput(out)) {
91 stream.writeNormalizedNode(node);
92 stream.writeYangInstanceIdentifier(path);
96 public static void writeNodeAndPath(final DataOutput out, final YangInstanceIdentifier path,
97 final NormalizedNode node) throws IOException {
98 writeNodeAndPath(out, MAGNESIUM, path, node);
101 public static <T> void readPathAndNode(final DataInput in, final T instance, final Applier<T> applier)
103 final NormalizedNodeDataInput stream = NormalizedNodeDataInput.newDataInput(in);
104 YangInstanceIdentifier path = stream.readYangInstanceIdentifier();
105 NormalizedNode node = stream.readNormalizedNode();
106 applier.apply(instance, path, node);
109 public static void writePathAndNode(final DataOutput out,
110 final org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeStreamVersion version,
111 final YangInstanceIdentifier path, final NormalizedNode node) throws IOException {
112 try (NormalizedNodeDataOutput stream = version.newDataOutput(out)) {
113 stream.writeYangInstanceIdentifier(path);
114 stream.writeNormalizedNode(node);
118 public static void writePathAndNode(final DataOutput out, final YangInstanceIdentifier path,
119 final NormalizedNode node) throws IOException {
120 writePathAndNode(out, MAGNESIUM, path, node);