IndexFileWriter.java 文件源码

private Collection<Annotation> requiredMetaannotations(
        Collection<Annotation> annos) {
    Set<Annotation> results = new HashSet<Annotation>();
    for (Annotation a : annos) {
        String aName = a.def.name;
        if (aName.equals(Retention.class.getCanonicalName())
            || aName.equals(Target.class.getCanonicalName())) {
            results.add(a);
        }
    }
    return results;
}