public override int GetHashCode()
{
unchecked
{
return(((TokenAtReset != null ? TokenAtReset.GetHashCode() : 0) * 397) ^ (CurrentToken != null ? CurrentToken.GetHashCode() : 0));
}
}
public ITrackingToken AdvancedTo(ITrackingToken newToken)
{
if (TokenAtReset == null ||
(newToken.Covers(this.TokenAtReset) && !TokenAtReset.Covers(newToken)))
{
// we're done replaying
return(newToken);
}
else if (TokenAtReset.Covers(newToken))
{
// we're still well behind
return(new ReplayToken(TokenAtReset, newToken));
}
else
{
// we're getting an event that we didn't have before, but we haven't finished replaying either
return(new ReplayToken(TokenAtReset.UpperBound(newToken), newToken));
}
}
private bool IsReplay() => CurrentToken == null || TokenAtReset.Covers(CurrentToken);