org.apache.ignite.internal.processors.tracing

Class MTC

java.lang.Object

org.apache.ignite.internal.processors.tracing.MTC

public class MTC
extends Object

Mapped tracing context. Thread local context which holding the information for tracing.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MTC.TraceSurroundings Helper for managing of span life cycle.

Constructor Summary

Constructors

Constructor and Description
MTC()

Method Summary

Modifier and Type	Method and Description
static @NotNull Span	span()
static MTC.TraceSurroundings	support(Span startSpan) Attach given span to current thread if it isn't null or NOOP_SPAN.
static MTC.TraceSurroundings	supportContinual(Span startSpan) Attach given span to current thread if it isn't null or NOOP_SPAN.
static void	supportInitial(Span startSpan) Support initial span.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MTC

public MTC()

Method Detail

span

@NotNull
public static @NotNull Span span()

Returns:

Span which corresponded to current thread or null if it doesn't not set.

support

public static MTC.TraceSurroundings support(Span startSpan)

Attach given span to current thread if it isn't null or NOOP_SPAN. Detach given span, close it and return previous span when MTC.TraceSurroundings.close() would be called.

Parameters:

startSpan - Span which should be added to current thread.

Returns:

MTC.TraceSurroundings for manage span life cycle or null in case of null or no-op span.

supportInitial

public static void supportInitial(Span startSpan)

Support initial span.

Parameters:

startSpan - Span which should be added to current thread.

supportContinual

public static MTC.TraceSurroundings supportContinual(Span startSpan)

Attach given span to current thread if it isn't null or NOOP_SPAN.

Parameters:

startSpan - Span which should be added to current thread.

Returns:

MTC.TraceSurroundings for manage span life cycle or null in case of null or no-op span.