NOTE_BEGIN
LoggingSpanHandler
NOTE_END
LoggingSpanHandler
NULL
LoggingSpanHandler
name
CoreSpan
CoreSpanInfo
newCachedThreadPool
TraceFriendlyThreadPoolExecutor
newFixedThreadPool
TraceFriendlyThreadPoolExecutor
newSpan
CoreSpanFactory
DisabledSpanFactory
notes
CoreSpanInfo
nullValue
SpanLogFormatter