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 akka.actor.ActorRef;
13 import com.google.common.collect.ImmutableList;
14 import java.io.IOException;
15 import java.io.ObjectInput;
16 import java.io.ObjectOutput;
17 import java.util.ArrayList;
18 import java.util.List;
19 import java.util.Optional;
20 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
21 import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeDataInput;
22 import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeDataOutput;
23 import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeInputOutput;
24 import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeStreamVersion;
27 * Externalizable proxy for use with {@link ExistsTransactionRequest}. It implements the initial (Boron) serialization
30 * @author Robert Varga
32 final class ModifyTransactionRequestProxyV1 extends AbstractTransactionRequestProxy<ModifyTransactionRequest> {
33 private static final long serialVersionUID = 1L;
34 private List<TransactionModification> modifications;
35 private Optional<PersistenceProtocol> protocol;
36 private transient NormalizedNodeStreamVersion streamVersion;
38 // checkstyle flags the public modifier as redundant however it is explicitly needed for Java serialization to
39 // be able to create instances via reflection.
40 @SuppressWarnings("checkstyle:RedundantModifier")
41 public ModifyTransactionRequestProxyV1() {
45 ModifyTransactionRequestProxyV1(final ModifyTransactionRequest request) {
47 this.modifications = requireNonNull(request.getModifications());
48 this.protocol = request.getPersistenceProtocol();
49 this.streamVersion = request.getVersion().getStreamVersion();
53 public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
54 super.readExternal(in);
56 protocol = Optional.ofNullable(PersistenceProtocol.readFrom(in));
58 final int size = in.readInt();
60 modifications = new ArrayList<>(size);
61 final NormalizedNodeDataInput nnin = NormalizedNodeInputOutput.newDataInput(in);
62 for (int i = 0; i < size; ++i) {
63 modifications.add(TransactionModification.readFrom(nnin));
66 modifications = ImmutableList.of();
71 public void writeExternal(final ObjectOutput out) throws IOException {
72 super.writeExternal(out);
74 out.writeByte(PersistenceProtocol.byteValue(protocol.orElse(null)));
75 out.writeInt(modifications.size());
76 if (!modifications.isEmpty()) {
77 try (NormalizedNodeDataOutput nnout = NormalizedNodeInputOutput.newDataOutput(out, streamVersion)) {
78 for (TransactionModification op : modifications) {
86 protected ModifyTransactionRequest createRequest(final TransactionIdentifier target, final long sequence,
87 final ActorRef replyTo) {
88 return new ModifyTransactionRequest(target, sequence, replyTo, modifications, protocol.orElse(null));