2 * Copyright (c) 2016, 2017 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 java.io.DataInput;
12 import java.io.IOException;
13 import org.opendaylight.controller.cluster.access.ABIVersion;
14 import org.opendaylight.controller.cluster.access.concepts.Request;
15 import org.opendaylight.controller.cluster.access.concepts.RequestException;
16 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
19 * Abstract base class for {@link Request}s involving specific transaction. This class is visible outside of this
20 * package solely for the ability to perform a unified instanceof check.
22 * @param <T> Message type
24 public abstract class TransactionRequest<T extends TransactionRequest<T>> extends Request<TransactionIdentifier, T> {
25 protected interface SerialForm<T extends TransactionRequest<T>>
26 extends Request.SerialForm<TransactionIdentifier, T> {
28 default TransactionIdentifier readTarget(final DataInput in) throws IOException {
29 return TransactionIdentifier.readFrom(in);
34 private static final long serialVersionUID = 1L;
36 TransactionRequest(final TransactionIdentifier identifier, final long sequence, final ActorRef replyTo) {
37 super(identifier, sequence, replyTo);
40 TransactionRequest(final T request, final ABIVersion version) {
41 super(request, version);
45 public final TransactionFailure toRequestFailure(final RequestException cause) {
46 return new TransactionFailure(getTarget(), getSequence(), cause);
50 protected abstract SerialForm<T> externalizableProxy(ABIVersion version);