/**
* Copyright (c) 2002-2012 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.cluster.protocol.atomicbroadcast.multipaxos;
import java.io.Serializable;
import org.neo4j.cluster.com.message.MessageType;
/**
* Coordinator state machine messages
*/
public enum ProposerMessage
implements MessageType
{
join, leave,
phase1Timeout,
propose, // If no accept message is sent out, it means not enough promises have come in
promise, rejectPrepare, rejectPropose2, // phase 1b
phase2Timeout,
accepted, rejectAccept; // phase 2b
public static class PromiseState
implements Serializable
{
private long ballot;
private Object value;
public PromiseState( long ballot, Object value )
{
this.ballot = ballot;
this.value = value;
}
public long getBallot()
{
return ballot;
}
public Object getValue()
{
return value;
}
}
public static class RejectPrepare
implements Serializable
{
private long ballot;
public RejectPrepare( long ballot )
{
this.ballot = ballot;
}
public long getBallot()
{
return ballot;
}
}
public static class RejectAcceptState
implements Serializable
{
public RejectAcceptState()
{
}
}
public static class AcceptedState
implements Serializable
{
public AcceptedState()
{
}
}
}