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 static java.util.Objects.requireNonNull;
12 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
13 import java.io.IOException;
14 import java.io.ObjectInput;
15 import java.io.ObjectOutput;
16 import java.util.Optional;
17 import org.opendaylight.controller.cluster.access.ABIVersion;
18 import org.opendaylight.controller.cluster.access.concepts.SliceableMessage;
19 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
20 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
21 import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeDataInput;
24 * Successful reply to an {@link ReadTransactionRequest}. It indicates presence of requested data via
27 public final class ReadTransactionSuccess extends TransactionSuccess<ReadTransactionSuccess>
28 implements SliceableMessage {
29 interface SerialForm extends TransactionSuccess.SerialForm<ReadTransactionSuccess> {
31 default ReadTransactionSuccess readExternal(final ObjectInput in, final TransactionIdentifier target,
32 final long sequence) throws IOException {
33 final Optional<NormalizedNode> data;
34 if (in.readBoolean()) {
35 data = Optional.of(NormalizedNodeDataInput.newDataInput(in).readNormalizedNode());
37 data = Optional.empty();
39 return new ReadTransactionSuccess(target, sequence, data);
43 default void writeExternal(final ObjectOutput out, final ReadTransactionSuccess msg) throws IOException {
44 TransactionSuccess.SerialForm.super.writeExternal(out, msg);
46 final var data = msg.getData();
47 if (data.isPresent()) {
48 out.writeBoolean(true);
49 try (var nnout = msg.getVersion().getStreamVersion().newDataOutput(out)) {
50 nnout.writeNormalizedNode(data.orElseThrow());
53 out.writeBoolean(false);
59 private static final long serialVersionUID = 1L;
61 @SuppressFBWarnings(value = "SE_BAD_FIELD", justification = "interface-based best effort")
62 private final Optional<NormalizedNode> data;
64 private ReadTransactionSuccess(final ReadTransactionSuccess request, final ABIVersion version) {
65 super(request, version);
69 public ReadTransactionSuccess(final TransactionIdentifier identifier, final long sequence,
70 final Optional<NormalizedNode> data) {
71 super(identifier, sequence);
72 this.data = requireNonNull(data);
75 public Optional<NormalizedNode> getData() {
80 protected SerialForm externalizableProxy(final ABIVersion version) {
81 return ABIVersion.MAGNESIUM.lt(version) ? new RTS(this) : new ReadTransactionSuccessProxyV1(this);
85 protected ReadTransactionSuccess cloneAsVersion(final ABIVersion version) {
86 return new ReadTransactionSuccess(this, version);