void IAsyncLogProviderCommandHandler.ContinueAsynchronously(CommandContext ctx)
{
result = new DateBoundPositionResponseData();
result.Position = PositionedMessagesUtils.LocateDateBound(ctx.Reader, date, bound, ctx.Cancellation);
ctx.Tracer.Info("Position to return: {0}", result.Position);
if (result.Position == ctx.Reader.EndPosition)
{
result.IsEndPosition = true;
ctx.Tracer.Info("It is END position");
}
else if (result.Position == ctx.Reader.BeginPosition - 1)
{
result.IsBeforeBeginPosition = true;
ctx.Tracer.Info("It is BEGIN-1 position");
}
else
{
ctx.Cancellation.ThrowIfCancellationRequested();
if (userNeedsDate)
{
result.Date = PositionedMessagesUtils.ReadNearestMessageTimestamp(ctx.Reader, result.Position);
ctx.Tracer.Info("Date to return: {0}", result.Date);
}
}
dateBoundsCache.Set(date, result);
}
async Task IAsyncLogProviderCommandHandler.ContinueAsynchronously(CommandContext ctx)
{
result = new DateBoundPositionResponseData();
result.Position = await PositionedMessagesUtils.LocateDateBound(ctx.Reader, date, bound, ctx.Cancellation);
ctx.Tracer.Info("Position to return: {0}", result.Position);
if (result.Position == ctx.Reader.EndPosition)
{
result.IsEndPosition = true;
ctx.Tracer.Info("It is END position");
}
else if (result.Position == ctx.Reader.BeginPosition - 1)
{
result.IsBeforeBeginPosition = true;
ctx.Tracer.Info("It is BEGIN-1 position");
}
else
{
ctx.Cancellation.ThrowIfCancellationRequested();
if (messageRequested)
{
result.Message = await PositionedMessagesUtils.ReadNearestMessage(ctx.Reader, result.Position, MessagesParserFlag.HintMessageContentIsNotNeeed);
ctx.Tracer.Info("Details to return: {0} at {1}", result.Message?.Time, result.Message?.Position);
}
}
dateBoundsCache.Set(date, result);
}