org.eclipse.microprofile.opentracing.Traced Java Examples

@GET
@Path("/randomDelay")
@Produces(MediaType.TEXT_PLAIN)
@Traced(operationName = "TracedEndpoint#demoRandomDelay")
public String randomDelay() {
    long start = System.currentTimeMillis();
    // 0-5 seconds random sleep
    long sleep = Math.round(Math.random() * 5000);
    try {
        Thread.sleep(sleep);
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    long end = System.currentTimeMillis();
    return String.format("TracedEndpoint.randomDelay[0-5000], elapsed=%d", (end - start));
}
 

@Traced
public String call() {
    // tag::client-registration[]
    Client client = ClientTracingRegistrar.configure(ClientBuilder.newBuilder()).build();
    // end::client-registration[]
    try {
        String response = client.target("http://localhost:8080")
                .path("/simple")
                .request()
                .get(String.class);
        return "Called an external service successfully, it responded: " + response;
    } finally {
        client.close();
    }
}
 

@GET
@Path("/bonjour")
@Produces(MediaType.TEXT_PLAIN)
@Traced(operationName = "bonjour")
public String bonjour() {
    return "bonjour";
}
 

protected Traced closestTracedAnnotation(ResourceInfo resourceInfo) {
    Traced tracedAnnotation = resourceInfo.getResourceMethod().getAnnotation(Traced.class);
    if (tracedAnnotation == null) {
        tracedAnnotation = resourceInfo.getResourceClass().getAnnotation(Traced.class);
    }

    return tracedAnnotation;
}
 

@Traced
@GET
@Path("/enabled")
public Response helloMethod() {
  assertActiveSpan();
  return Response.status(Response.Status.OK).build();
}
 

@GET
@Path("/tracedFalseIn")
@Traced(operationName = "renamedOperation", value = false)
public Response tracedFalse() {
    assertNoActiveSpan();
    return Response.status(Response.Status.OK).build();
}
 

@GET
@Path("/operation")
@Traced(operationName = "renamedOperation")
public Response operation(@Context HttpHeaders headers) {
    assertActiveSpan();
    return Response.status(Response.Status.OK).build();
}
 

/**
 * Traced with an explicit operation name.
 * @return OK response
 */
@Traced(operationName = REST_OPERATION_NAME)
@GET
@Path(REST_OPERATION_NAME)
@Produces(MediaType.TEXT_PLAIN)
public Response operationName() {
    return Response.ok().build();
}
 

/**
 * Shouldn't create a span.
 * @return OK response
 */
@Traced(value = false)
@GET
@Path(REST_NOT_TRACED)
@Produces(MediaType.TEXT_PLAIN)
public Response notTraced() {
    return Response.ok().build();
}
 

@GET
@Path("/untraced")
@Produces(MediaType.TEXT_PLAIN)
@Traced(false)
public String untraced() {
    return "No tracing";
}
 

@GET
@Traced
@Path(REST_EXPLICITLY_TRACED)
@Produces(MediaType.TEXT_PLAIN)
public Response explicitlyTraced() {
    return Response.ok().build();
}
 

/**
 * Test class and endpoint with Traced annotation and operation name.
 *
 * @return OK response
 */
@Traced(operationName = ENDPOINT_OPERATION_NAME)
@GET
@Path(REST_OPERATION_CLASS_AND_METHOD_OP_NAME)
@Produces(MediaType.TEXT_PLAIN)
public Response classAndMethodOperationName() {
    return Response.ok().build();
}
 

/**
 * Method that we expect to be Traced with an operation name.
 */
@Traced(operationName = "explicitOperationName3")
public void annotatedClassMethodExplicitlyTracedWithOperationName() {
    System.out.println("Called annotatedClassMethodExplicitlyTracedWithOperationName");
}
 

protected String operationName(ResourceInfo resourceInfo) {
    Traced traced = closestTracedAnnotation(resourceInfo);
    return traced != null && !traced.operationName().isEmpty()  ? traced.operationName() : null;
}
 

protected boolean tracingDisabled(ResourceInfo resourceInfo) {
    Traced traced = closestTracedAnnotation(resourceInfo);
    return traced == null ? !builder.allTraced : !traced.value();
}
 

@GET
@Traced
public String getTest() {
    return "TEST";
}
 

@Traced
public void foo() {
}
 

@Traced
public List<Fruit> getFruits() {
    return em.createNamedQuery("Fruits.findAll", Fruit.class).getResultList();
}
 

@GET
@Traced(false)
@Path(TestServerWebServices.REST_SIMPLE_TEST)
@Produces(MediaType.TEXT_PLAIN)
Response disabledTracing();
 

/**
 * Method that we expect to be Traced.
 */
@Traced
public void annotatedClassMethodExplicitlyTraced() {
    System.out.println("Called annotatedClassMethodExplicitlyTraced");
}
 

/**
 * Method that we expect to be Traced explicitly.
 */
@Traced(operationName = "explicitOperationName4")
public void annotatedClassMethodExplicitlyTraced() {
    System.out.println("Called annotatedClassMethodExplicitlyTraced");
}
 

/**
 * Method that we expect to not be Traced.
 */
@Traced(operationName = "disabledOperationName", value = false)
public void annotatedClassMethodExplicitlyNotTracedWithOpName() {
    System.out.println("Called annotatedClassMethodExplicitlyNotTracedWithOpName");
}
 

/**
 * Method that we expect to be Traced explicitly.
 */
@Traced(operationName = "explicitOperationName1")
public void annotatedClassMethodExplicitlyTraced() {
    System.out.println("Called annotatedClassMethodExplicitlyTraced");
}
 

/**
 * Method that we expect to not be Traced.
 */
@Traced(value = false)
public void annotatedClassMethodExplicitlyNotTraced() {
    System.out.println("Called annotatedClassMethodExplicitlyNotTraced");
}
 

/**
 * Method that we expect to not be Traced with operation name.
 */
@Traced(value = false, operationName = "disabledOperationName")
public void annotatedMethodExplicitlyNotTracedWithOpName() {
    System.out.println("Called annotatedMethodExplicitlyNotTracedWithOpName");
}
 

/**
 * Method that we expect to be Traced with operation name.
 */
@Traced(operationName = "explicitOperationName2")
public void annotatedMethodExplicitlyTracedWithOpName() {
    System.out.println("Called annotatedMethodExplicitlyTracedWithOpName");
}
 

/**
 * Method that we expect to not be Traced.
 */
@Traced(value = false)
public void annotatedMethodExplicitlyNotTraced() {
    System.out.println("Called annotatedMethodExplicitlyNotTraced");
}
 

/**
 * Method that we expect to be Traced.
 */
@Traced
public void annotatedMethodExplicitlyTraced() {
    System.out.println("Called annotatedMethodExplicitlyTraced");
}