Module io.helidon.microprofile.tracing

Package io.helidon.microprofile.tracing

Class MpTracingFilter

java.lang.Object

io.helidon.tracing.jersey.AbstractTracingFilter

io.helidon.microprofile.tracing.MpTracingFilter

All Implemented Interfaces:

javax.ws.rs.container.ContainerRequestFilter, javax.ws.rs.container.ContainerResponseFilter

@ConstrainedTo(SERVER)
@Priority(-2147483643)
@ApplicationScoped
public class MpTracingFilter
extends AbstractTracingFilter

Adds tracing of Jersey calls using a post-matching filter. Microprofile Opentracing implementation.

Constructor Summary

Constructors

Constructor	Description
MpTracingFilter()

Method Summary

Modifier and Type	Method	Description
protected void	configureSpan(io.opentracing.Tracer.SpanBuilder spanBuilder)	Configure additional properties of a span that is named and has a parent.
void	postConstruct()	Post construct method, initialization procedures.
protected String	spanName(javax.ws.rs.container.ContainerRequestContext context)	Create name of the newly created span.
protected boolean	tracingEnabled(javax.ws.rs.container.ContainerRequestContext context)	Whether this tracing filter is enabled.
protected String	url(javax.ws.rs.container.ContainerRequestContext requestContext)	Resolves host name based on the "host" header.

Methods inherited from class io.helidon.tracing.jersey.AbstractTracingFilter

filter, filter

Methods inherited from class java.lang.Object

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

Constructor Detail

MpTracingFilter

public MpTracingFilter()

Method Detail

postConstruct

@PostConstruct
public void postConstruct()

Post construct method, initialization procedures.

tracingEnabled

protected boolean tracingEnabled(javax.ws.rs.container.ContainerRequestContext context)

Description copied from class: AbstractTracingFilter

Whether this tracing filter is enabled.

Specified by:

tracingEnabled in class AbstractTracingFilter

Parameters:

context - request context

Returns:

true if filter should trigger and start a new span

spanName

protected String spanName(javax.ws.rs.container.ContainerRequestContext context)

Description copied from class: AbstractTracingFilter

Create name of the newly created span.

Specified by:

spanName in class AbstractTracingFilter

Parameters:

context - request context

Returns:

name of the span to be created

configureSpan

protected void configureSpan(io.opentracing.Tracer.SpanBuilder spanBuilder)

Description copied from class: AbstractTracingFilter

Configure additional properties of a span that is named and has a parent.

Specified by:

configureSpan in class AbstractTracingFilter

Parameters:

spanBuilder - builder of the new span

url

protected String url(javax.ws.rs.container.ContainerRequestContext requestContext)

Description copied from class: AbstractTracingFilter

Resolves host name based on the "host" header. If this header is not set, then URI.toString() is called.

Overrides:

url in class AbstractTracingFilter

Parameters:

requestContext - request context

Returns:

resolved url