com.google.instrumentation.trace

Class SpanContext

java.lang.Object

com.google.instrumentation.trace.SpanContext

@Immutable
public final class SpanContext
extends Object

A class that represents a span context. A span context contains the state that must propagate to child Spans and across process boundaries. It contains the identifiers (a trace_id and span_id) associated with the Span and a set of options.

Field Summary

Fields

Modifier and Type	Field and Description
static SpanContext	INVALID The invalid SpanContext.

Method Summary

Modifier and Type	Method and Description
static SpanContext	create(TraceId traceId, SpanId spanId, TraceOptions traceOptions) Creates a new SpanContext with the given identifiers and options.
boolean	equals(Object obj)
SpanId	getSpanId() Returns the span identifier associated with this SpanContext.
TraceId	getTraceId() Returns the trace identifier associated with this SpanContext.
TraceOptions	getTraceOptions() Returns the trace options associated with this SpanContext.
int	hashCode()
boolean	isValid() Returns true if this SpanContext is valid.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

INVALID

public static final SpanContext INVALID

The invalid SpanContext.

Method Detail

create

public static SpanContext create(TraceId traceId,
                                 SpanId spanId,
                                 TraceOptions traceOptions)

Creates a new SpanContext with the given identifiers and options.

Parameters:

traceId - the trace identifier of the span context.

spanId - the span identifier of the span context.

traceOptions - the trace options for the span context.

getTraceId

public TraceId getTraceId()

Returns the trace identifier associated with this SpanContext.

Returns:

the trace identifier associated with this SpanContext.

getSpanId

public SpanId getSpanId()

Returns the span identifier associated with this SpanContext.

Returns:

the span identifier associated with this SpanContext.

getTraceOptions

public TraceOptions getTraceOptions()

Returns the trace options associated with this SpanContext.

Returns:

the trace options associated with this SpanContext.

isValid

public boolean isValid()

Returns true if this SpanContext is valid.

Returns:

true if this SpanContext is valid.

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object