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 com.google.common.base.Preconditions;
12 import java.io.DataInput;
13 import java.io.IOException;
14 import org.opendaylight.controller.cluster.access.ABIVersion;
15 import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifier;
16 import org.opendaylight.controller.cluster.access.concepts.Request;
17 import org.opendaylight.controller.cluster.access.concepts.RequestException;
20 * Abstract base class for {@link Request}s involving specific local history. This class is visible outside of this
21 * package solely for the ability to perform a unified instanceof check.
23 * @param <T> Message type
25 public abstract class LocalHistoryRequest<T extends LocalHistoryRequest<T>> extends Request<LocalHistoryIdentifier, T> {
26 interface SerialForm<T extends LocalHistoryRequest<T>> extends Request.SerialForm<LocalHistoryIdentifier, T> {
28 default LocalHistoryIdentifier readTarget(final DataInput in) throws IOException {
29 return LocalHistoryIdentifier.readFrom(in);
34 private static final long serialVersionUID = 1L;
36 LocalHistoryRequest(final LocalHistoryIdentifier target, final long sequence, final ActorRef replyTo) {
37 super(target, sequence, replyTo);
38 Preconditions.checkArgument(target.getHistoryId() != 0, "History identifier must be non-zero");
41 LocalHistoryRequest(final T request, final ABIVersion version) {
42 super(request, version);
46 public final LocalHistoryFailure toRequestFailure(final RequestException cause) {
47 return new LocalHistoryFailure(getTarget(), getSequence(), cause);
51 protected abstract SerialForm<T> externalizableProxy(ABIVersion version);