public String cpu()

in quarkus-app/src/main/java/io/containerapps/javaruntime/workshop/quarkus/QuarkusResource.java [59:97]

34 lines of code
7 McCabe index (conditional complexity)


    public String cpu(@QueryParam("iterations") @DefaultValue("10") Long iterations,
                      @QueryParam("db") @DefaultValue("false") Boolean db,
                      @QueryParam("desc") String desc) {
        LOGGER.log(INFO, "Quarkus: cpu: {0} {1} with desc {2}", iterations, db, desc);
        Long iterationsDone = iterations;

        Instant start = Instant.now();
        if (iterations == null) {
            iterations = 20000L;
        } else {
            iterations *= 20000;
        }
        // tag::adocAlgoCPU[]
        while (iterations > 0) {
            if (iterations % 20000 == 0) {
                try {
                    Thread.sleep(20);
                } catch (InterruptedException ie) {
                }
            }
            iterations--;
        }
        // end::adocAlgoCPU[]

        if (db) {
            Statistics statistics = new Statistics();
            statistics.type = Type.CPU;
            statistics.parameter = iterations.toString();
            statistics.duration = Duration.between(start, Instant.now());
            statistics.description = desc;
            repository.persist(statistics);
        }

        String msg = "Quarkus: CPU consumption is done with " + iterationsDone + " iterations in " + Duration.between(start, Instant.now()).getNano() + " nano-seconds.";
        if (db) {
            msg += " The result is persisted in the database.";
        }
        return msg;
    }