CanBeAnnotated.java 文件源码

private static void checkAnnotationHasReasonableRetention(Class<? extends Annotation> annotationType) {
    if (isRetentionSource(annotationType)) {
        throw new InvalidSyntaxUsageException(String.format(
                "Annotation type %s has @%s(%s), thus the information is gone after compile. "
                        + "So checking this with ArchUnit is useless.",
                annotationType.getName(), Retention.class.getSimpleName(), RetentionPolicy.SOURCE));
    }
}