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.controller.cluster.access.commands;
10 import java.io.IOException;
11 import java.io.ObjectInput;
12 import java.io.ObjectOutput;
13 import java.util.Optional;
14 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
15 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
16 import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeDataInput;
17 import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeDataOutput;
18 import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeStreamVersion;
21 * Externalizable proxy for use with {@link ReadTransactionSuccess}. It implements the initial (Boron) serialization
24 * @author Robert Varga
26 final class ReadTransactionSuccessProxyV1 extends AbstractTransactionSuccessProxy<ReadTransactionSuccess> {
27 private static final long serialVersionUID = 1L;
29 private Optional<NormalizedNode<?, ?>> data;
30 private transient NormalizedNodeStreamVersion streamVersion;
32 // checkstyle flags the public modifier as redundant however it is explicitly needed for Java serialization to
33 // be able to create instances via reflection.
34 @SuppressWarnings("checkstyle:RedundantModifier")
35 public ReadTransactionSuccessProxyV1() {
39 ReadTransactionSuccessProxyV1(final ReadTransactionSuccess request) {
41 this.data = request.getData();
42 this.streamVersion = request.getVersion().getStreamVersion();
46 public void writeExternal(final ObjectOutput out) throws IOException {
47 super.writeExternal(out);
49 if (data.isPresent()) {
50 out.writeBoolean(true);
51 try (NormalizedNodeDataOutput nnout = streamVersion.newDataOutput(out)) {
52 nnout.writeNormalizedNode(data.get());
55 out.writeBoolean(false);
60 public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
61 super.readExternal(in);
63 if (in.readBoolean()) {
64 data = Optional.of(NormalizedNodeDataInput.newDataInput(in).readNormalizedNode());
66 data = Optional.empty();
71 protected ReadTransactionSuccess createSuccess(final TransactionIdentifier target, final long sequence) {
72 return new ReadTransactionSuccess(target, sequence, data);