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 akka.actor.ActorRef;
11 import com.google.common.base.MoreObjects.ToStringHelper;
12 import com.google.common.collect.ImmutableList;
13 import java.io.IOException;
14 import java.io.ObjectInput;
15 import java.io.ObjectInputStream;
16 import java.io.ObjectOutput;
17 import java.io.ObjectOutputStream;
18 import java.io.ObjectStreamException;
19 import java.util.ArrayList;
20 import java.util.List;
21 import java.util.Optional;
22 import org.opendaylight.controller.cluster.access.ABIVersion;
23 import org.opendaylight.controller.cluster.access.concepts.SliceableMessage;
24 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
25 import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeDataInput;
26 import org.opendaylight.yangtools.yang.data.impl.schema.ReusableImmutableNormalizedNodeStreamWriter;
29 * A transaction request to apply a particular set of operations on top of the current transaction. This message is
30 * used to also finish a transaction by specifying a {@link PersistenceProtocol}.
32 public final class ModifyTransactionRequest extends TransactionRequest<ModifyTransactionRequest>
33 implements SliceableMessage {
34 interface SerialForm extends TransactionRequest.SerialForm<ModifyTransactionRequest> {
38 default ModifyTransactionRequest readExternal(final ObjectInput in, final TransactionIdentifier target,
39 final long sequence, final ActorRef replyTo) throws IOException {
41 final var protocol = Optional.ofNullable(PersistenceProtocol.readFrom(in));
42 final int size = in.readInt();
43 final List<TransactionModification> modifications;
45 modifications = new ArrayList<>(size);
46 final var nnin = NormalizedNodeDataInput.newDataInput(in);
47 final var writer = ReusableImmutableNormalizedNodeStreamWriter.create();
48 for (int i = 0; i < size; ++i) {
49 modifications.add(TransactionModification.readFrom(nnin, writer));
52 modifications = ImmutableList.of();
55 return new ModifyTransactionRequest(target, sequence, replyTo, modifications, protocol.orElse(null));
59 default void writeExternal(final ObjectOutput out, final ModifyTransactionRequest msg) throws IOException {
60 TransactionRequest.SerialForm.super.writeExternal(out, msg);
62 out.writeByte(PersistenceProtocol.byteValue(msg.getPersistenceProtocol().orElse(null)));
64 final var modifications = msg.getModifications();
65 out.writeInt(modifications.size());
66 if (!modifications.isEmpty()) {
67 try (var nnout = msg.getVersion().getStreamVersion().newDataOutput(out)) {
68 for (var op : modifications) {
77 private static final long serialVersionUID = 1L;
79 private final List<TransactionModification> modifications;
80 private final PersistenceProtocol protocol;
82 private ModifyTransactionRequest(final ModifyTransactionRequest request, final ABIVersion version) {
83 super(request, version);
84 modifications = request.modifications;
85 protocol = request.protocol;
88 ModifyTransactionRequest(final TransactionIdentifier target, final long sequence, final ActorRef replyTo,
89 final List<TransactionModification> modifications, final PersistenceProtocol protocol) {
90 super(target, sequence, replyTo);
91 this.modifications = ImmutableList.copyOf(modifications);
92 this.protocol = protocol;
95 public Optional<PersistenceProtocol> getPersistenceProtocol() {
96 return Optional.ofNullable(protocol);
99 public List<TransactionModification> getModifications() {
100 return modifications;
104 protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
105 return super.addToStringAttributes(toStringHelper).add("modifications", modifications.size())
106 .add("protocol", protocol);
110 protected SerialForm externalizableProxy(final ABIVersion version) {
111 return new MTR(this);
115 protected ModifyTransactionRequest cloneAsVersion(final ABIVersion version) {
116 return new ModifyTransactionRequest(this, version);
120 private void readObject(final ObjectInputStream stream) throws IOException, ClassNotFoundException {
125 private void readObjectNoData() throws ObjectStreamException {
130 private void writeObject(final ObjectOutputStream stream) throws IOException {