com.vmware.vapi.tracing

Interface Tracer

public interface Tracer

An interface for the creation of TracingSpan spans used by the vapi stack

Field Summary

Fields

Modifier and Type	Field and Description
static Tracer	NO_OP

Method Summary

Modifier and Type	Method and Description
com.vmware.vapi.internal.tracing.TracingSpan	attachServerSpan(javax.servlet.http.HttpServletRequest request) Creates a new server span and attaches it to the tracer propagated with the http request.
com.vmware.vapi.internal.tracing.TracingSpan	createClientSpan(java.lang.String name) Creates a new client span and associates it with the current tracing context.

Field Detail

NO_OP

static final Tracer NO_OP

Method Detail

createClientSpan

com.vmware.vapi.internal.tracing.TracingSpan createClientSpan(java.lang.String name)

Creates a new client span and associates it with the current tracing context. If there is no current tracing context, then the newly created span becomes the root.

TracingSpan.makeCurrent() must be called to activate the span.

Returns:

the created TracingSpan

attachServerSpan

com.vmware.vapi.internal.tracing.TracingSpan attachServerSpan(javax.servlet.http.HttpServletRequest request)

Creates a new server span and attaches it to the tracer propagated with the http request. If there is no tracer propagated with the request, then the newly created span becomes the root.

TracingSpan.makeCurrent() must be called to activate the span.

Parameters:

request - the request to extract the tracer ID from

Returns:

the attached TracingSpan