FactoryProcessor.java 文件源码

private void checkScopeAnnotationValidity(TypeElement annotation) {
  if (annotation.getAnnotation(Scope.class) == null) {
    error(annotation, "Scope Annotation %s does not contain Scope annotation.", annotation.getQualifiedName());
    return;
  }

  Retention retention = annotation.getAnnotation(Retention.class);
  if (retention == null || retention.value() != RetentionPolicy.RUNTIME) {
    error(annotation, "Scope Annotation %s does not have RUNTIME retention policy.", annotation.getQualifiedName());
  }
}