private Meta find()

in geronimo-metrics/src/main/java/org/apache/geronimo/microprofile/metrics/cdi/ConcurrentGaugeInterceptor.java [82:115]
33 lines of code
9 McCabe index (conditional complexity)

    private Meta find(final Executable executable) {
        if (gauges == null) {
            synchronized (this) {
                if (gauges == null) {
                    gauges = new ConcurrentHashMap<>();
                }
            }
        }
        Meta meta = gauges.get(executable);
        if (meta == null) {
            final AnnotatedType<?> type = beanManager.createAnnotatedType(bean.getBeanClass());
            final org.eclipse.microprofile.metrics.annotation.ConcurrentGauge concurrentGauge = Stream.concat(type.getMethods().stream(), type.getConstructors().stream())
                    .filter(it -> it.getJavaMember().equals(executable))
                    .findFirst()
                    .map(m -> m.getAnnotation(org.eclipse.microprofile.metrics.annotation.ConcurrentGauge.class))
                    .orElse(null);
            final String name = Names.findName(
                    Modifier.isAbstract(executable.getDeclaringClass().getModifiers()) ? type.getJavaClass() : executable.getDeclaringClass(),
                    executable, concurrentGauge == null ? null : concurrentGauge.name(),
                    concurrentGauge != null && concurrentGauge.absolute(),
                    ofNullable(extension.getAnnotation(type, org.eclipse.microprofile.metrics.annotation.ConcurrentGauge.class))
                            .map(org.eclipse.microprofile.metrics.annotation.ConcurrentGauge::name)
                            .orElse(""));

            final ConcurrentGauge gauge = registry.getConcurrentGauge(
                    new MetricID(name, extension.createTags(concurrentGauge == null ? new String[0] : concurrentGauge.tags())));
            if (gauge == null) {
                throw new IllegalStateException("No counter with name [" + name + "] found in registry [" + registry + "]");
            }
            meta = new Meta(gauge);
            gauges.putIfAbsent(executable, meta);
        }
        return meta;
    }