August 2019
Intermediate to advanced
256 pages
6h 43m
English
book
Hands-On Enterprise Java Microservices with Eclipse MicroProfile
by Cesar Saavedra, Heiko W. Rupp, Jeff Mesnil, Pavol Loffay, Antoine Sabot-Durand, Scott Stark
Content preview from Hands-On Enterprise Java Microservices with Eclipse MicroProfile
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@Traced annotation
MicroProfile OpenTracing defines an @Traced annotation that can be used to enable tracing on CDI beans or disable tracing on automatically traced interfaces. The annotation can also be used to override the operation name on other automatically traced components – JAX-RS endpoints.
The following code example shows how the @Traced annotation can be used to enable tracing on a CDI bean. (1) enables tracing for all methods the bean defines. (2) overrides the default operation name (package.className.method) to get_all_users. (3) disables tracing of the health method:
@Traced (1)@ApplicationScopedpublic class Service { @Traced(operationName = "get_all_users") (2) public void getUsers() { // business code } @Traced(false) (3) ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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