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.concepts;
10 import java.io.Externalizable;
11 import java.io.IOException;
12 import java.io.ObjectInput;
13 import java.io.ObjectOutput;
14 import org.opendaylight.yangtools.concepts.WritableObjects;
16 abstract class AbstractEnvelopeProxy<T extends Message<?, ?>> implements Externalizable {
17 private static final long serialVersionUID = 1L;
20 private long sessionId;
21 private long txSequence;
23 AbstractEnvelopeProxy() {
27 AbstractEnvelopeProxy(final Envelope<T> envelope) {
28 message = envelope.getMessage();
29 txSequence = envelope.getTxSequence();
30 sessionId = envelope.getSessionId();
34 public void writeExternal(final ObjectOutput out) throws IOException {
35 WritableObjects.writeLongs(out, sessionId, txSequence);
36 out.writeObject(message);
39 @SuppressWarnings("unchecked")
41 public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
42 final byte header = WritableObjects.readLongHeader(in);
43 sessionId = WritableObjects.readFirstLong(in, header);
44 txSequence = WritableObjects.readSecondLong(in, header);
45 message = (T) in.readObject();
48 @SuppressWarnings("checkstyle:hiddenField")
49 abstract Envelope<T> createEnvelope(T wrappedNessage, long sessionId, long txSequence);
51 final Object readResolve() {
52 return createEnvelope(message, sessionId, txSequence);