public Proposer(Presence presence, Acceptor myAcceptor, Uri orignatorUri, Uri[] allAcceptors) : base(presence)
{
this.myAcceptor = myAcceptor;
this.orignatorUri = orignatorUri;
this.allAcceptors = allAcceptors;
ballotBase = base.GetHashCode()%25; // effectively a random choice
Register<Promise>(OnPromise);
Register<ProposalSubsumed>(OnProposalSubsumed);
Register<Accepted>(OnAccepted);
}
public Proposer(Presence presence, Acceptor myAcceptor, Uri orignatorUri, Uri[] allAcceptors) : base(presence)
{
this.myAcceptor = myAcceptor;
this.orignatorUri = orignatorUri;
this.allAcceptors = allAcceptors;
ballotBase = base.GetHashCode() % 25; // effectively a random choice
Register <Promise>(OnPromise);
Register <ProposalSubsumed>(OnProposalSubsumed);
Register <Accepted>(OnAccepted);
}
protected virtual void SelectNewMasterOnTopologyChanged(object sender, NodeMetadata nodeMetadata)
{
if (nodeMetadata.ChangeType == TopologyChangeType.MasterSelected)
return;//nothing to do here
MasterSelectedByQuorum = null; // Who is the master is in doubt, because the topology changed
var others = topologyState.Keys.ToArray();
var acceptor = new Acceptor(this, myAddress, others);
var proposer = new Proposer(this, acceptor, myAddress, others);
var learner = new Learner(this, others);
learner.OnAcceptedValue += LearnerOnOnAcceptedValue;
agents = new Agent[] { acceptor, proposer, learner };
proposer.StartProposing(new SwitchMasterCommand
{
NewMaster = others.OrderBy(x => x.AbsoluteUri).First()
});
}