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.Preconditions;
12 import com.google.common.collect.ImmutableList;
13 import java.io.IOException;
14 import java.io.ObjectInput;
15 import java.io.ObjectOutput;
16 import java.util.ArrayList;
17 import java.util.List;
18 import java.util.Optional;
19 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
20 import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeDataInput;
21 import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeDataOutput;
22 import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeInputOutput;
25 * Externalizable proxy for use with {@link ExistsTransactionRequest}. It implements the initial (Boron) serialization
28 * @author Robert Varga
30 final class ModifyTransactionRequestProxyV1 extends AbstractTransactionRequestProxy<ModifyTransactionRequest> {
31 private static final long serialVersionUID = 1L;
32 private List<TransactionModification> modifications;
33 private Optional<PersistenceProtocol> protocol;
35 // checkstyle flags the public modifier as redundant however it is explicitly needed for Java serialization to
36 // be able to create instances via reflection.
37 @SuppressWarnings("checkstyle:RedundantModifier")
38 public ModifyTransactionRequestProxyV1() {
42 ModifyTransactionRequestProxyV1(final ModifyTransactionRequest request) {
44 this.modifications = Preconditions.checkNotNull(request.getModifications());
45 this.protocol = request.getPersistenceProtocol();
49 public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
50 super.readExternal(in);
52 protocol = Optional.ofNullable(PersistenceProtocol.readFrom(in));
54 final int size = in.readInt();
56 modifications = new ArrayList<>(size);
57 final NormalizedNodeDataInput nnin = NormalizedNodeInputOutput.newDataInput(in);
58 for (int i = 0; i < size; ++i) {
59 modifications.add(TransactionModification.readFrom(nnin));
62 modifications = ImmutableList.of();
67 public void writeExternal(final ObjectOutput out) throws IOException {
68 super.writeExternal(out);
70 out.writeByte(PersistenceProtocol.byteValue(protocol.orElse(null)));
71 out.writeInt(modifications.size());
72 if (!modifications.isEmpty()) {
73 try (NormalizedNodeDataOutput nnout = NormalizedNodeInputOutput.newDataOutput(out)) {
74 for (TransactionModification op : modifications) {
82 protected ModifyTransactionRequest createRequest(final TransactionIdentifier target, final long sequence,
83 final ActorRef replyTo) {
84 return new ModifyTransactionRequest(target, sequence, replyTo, modifications, protocol.orElse(null));