com.google.instrumentation.trace

Class Link

java.lang.Object

com.google.instrumentation.trace.Link

@Immutable
public final class Link
extends Object

A link to a Span from a different trace.

It requires a Link.Type which describes the relationship with the linked Span and the identifiers of the linked Span.

Used (for example) in batching operations, where a single batch handler processes multiple requests from different traces.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Link.Type The relationship with the linked Span relative to the current Span.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
static Link	fromSpanContext(SpanContext context, Link.Type type) Returns a new Link.
SpanId	getSpanId() Returns the SpanId.
TraceId	getTraceId() Returns the TraceId.
Link.Type	getType() Returns the Type.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

fromSpanContext

public static Link fromSpanContext(SpanContext context,
                                   Link.Type type)

Returns a new Link.

Parameters:

context - the context of the linked Span.

type - the type of the relationship with the linked Span.

Returns:

a new Link.

getTraceId

public TraceId getTraceId()

Returns the TraceId.

Returns:

the TraceId.

getSpanId

public SpanId getSpanId()

Returns the SpanId.

Returns:

the SpanId

getType

public Link.Type getType()

Returns the Type.

Returns:

the Type.

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