ISpan LogImpl(DateTimeOffset?timestamp, IEnumerable <KeyValuePair <string, object> > fields)
{
ThrowDisposed();
if (fields == null)
{
return(this);
}
var map = fields.ToDictionary(c => c.Key, c => c.Value);
if (map.TryGetValue("event", out var @event) && @event != null && map.Count == 1)
{
if (timestamp.HasValue)
{
zipkinSpan.Annotate(timestamp.Value, @event.ToString());
}
else
{
zipkinSpan.Annotate(@event.ToString());
}
return(this);
}
var aggregage = map.Aggregate((string)null,
(current, value) => current == null
? $"{value.Key}={value.Value}"
: current + $" {value.Key}={value.Value}"
);
if (timestamp.HasValue)
{
zipkinSpan.Annotate(timestamp.Value, aggregage);
}
else
{
zipkinSpan.Annotate(aggregage);
}
return(this);
}
