public void Log <TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func <TState, Exception, string> formatter)
{
if (!IsEnabled(logLevel))
{
return;
}
if (formatter == null)
{
throw new ArgumentNullException(nameof(formatter));
}
string message = formatter(state, exception);
if (!string.IsNullOrEmpty(message) || exception != null)
{
if (ParentLogger != null)
{
ParentLogger.WriteMessage(Name, logLevel, eventId.Id, message, exception);
}
else
{
WriteMessage(Name, logLevel, eventId.Id, message, exception);
}
}
}
public virtual void WriteMessage(string message)
{
ParentLogger.WriteMessage(message);
}