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:

ContainerRequestFilter, 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(ResourceInfo resourceInfo)	Create a new instance by JAX-RS.

Method Summary

Modifier and Type	Method	Description
void	postConstruct()	Post construct method, initialization procedures.
protected String	spanName(ContainerRequestContext context)	Create name of the newly created span.
protected boolean	tracingEnabled(ContainerRequestContext context)	Whether this tracing filter is enabled.
protected String	url(ContainerRequestContext requestContext)	Resolves host name based on the "host" header.

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

configureSpan, filter, filter

Methods inherited from class java.lang.Object

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

Constructor Details

MpTracingFilter

public MpTracingFilter(@Context
 ResourceInfo resourceInfo)

Create a new instance by JAX-RS.

Parameters:

resourceInfo - injected by JAX-RS implementation

Method Details

postConstruct

@PostConstruct
public void postConstruct()

Post construct method, initialization procedures.

tracingEnabled

protected boolean tracingEnabled(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(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

url

protected String url(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