private void onBallotRejected(LeaderState state, SolicitateBallotResponse response)
{
updateBallotNumber(state, response);
clearState(state);
state.BallotStatus = BallotStatus.Rejected;
BallotRejected?.Invoke(this, EventArgs.Empty);
}
private void onBallotApproved(LeaderState state, SolicitateBallotResponse response)
{
removeAcceptorFromWaitingQueue(state, response.MessageSender);
storePreviousAcceptedValuesFromAcceptors(state, response.Decision);
if (majorityOfAcceptorsReplied(state))
{
state.BallotStatus = BallotStatus.Adopted;
BallotApproved?.Invoke(this, EventArgs.Empty);
}
}
private void sendSolicitateBallotResponse(MessageSender sendTo, AcceptorState state)
{
SolicitateBallotResponse response = new SolicitateBallotResponse
{
BallotNumber = state.BallotNumber,
MessageSender = state.MessageSender,
Decision = state.LastAcceptedVote
};
this.broker.SendMessage(sendTo.UniqueId, response);
}
public void Execute(MessageStrategyExecuteArg <IMessage> obj)
{
if (!(obj.Message is SolicitateBallotResponse))
{
throw new MessageStrategyException("This strategy shouldn't be invoked with this message type");
}
SolicitateBallotResponse response = obj.Message as SolicitateBallotResponse;
LeaderState state = obj.RoleState as LeaderState;
if (ballotIsApproved(state.BallotNumber, response.BallotNumber))
{
onBallotApproved(state, response);
}
else if (higherBallotHasBeenApproved(state.BallotNumber, response.BallotNumber))
{
onBallotRejected(state, response);
}
}
private void updateBallotNumber(LeaderState state, SolicitateBallotResponse response)
{
state.BallotNumber = response.BallotNumber.Increment();
}
