/*
* Copyright (c) 2016 Brocade Communications Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.controller.cluster.raft.persisted;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.io.Serializable;
/**
* Internal message that is stored in the akka's persistent journal to delete journal entries.
*
* @author Thomas Pantelis
*/
public class DeleteEntries implements Serializable {
private static final class Proxy implements Externalizable {
private static final long serialVersionUID = 1L;
private DeleteEntries deleteEntries;
// checkstyle flags the public modifier as redundant which really doesn't make sense since it clearly isn't
// redundant. It is explicitly needed for Java serialization to be able to create instances via reflection.
@SuppressWarnings("checkstyle:RedundantModifier")
public Proxy() {
// For Externalizable
}
Proxy(final DeleteEntries deleteEntries) {
this.deleteEntries = deleteEntries;
}
@Override
public void writeExternal(final ObjectOutput out) throws IOException {
out.writeLong(deleteEntries.fromIndex);
}
@Override
public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
deleteEntries = new DeleteEntries(in.readLong());
}
private Object readResolve() {
return deleteEntries;
}
}
private static final long serialVersionUID = 1L;
private final long fromIndex;
public DeleteEntries(final long fromIndex) {
this.fromIndex = fromIndex;
}
public long getFromIndex() {
return fromIndex;
}
private Object writeReplace() {
return new Proxy(this);
}
@Override
public String toString() {
return "DeleteEntries [fromIndex=" + fromIndex + "]";
}
}