PropertyInfoImpl.java 文件源码

private ID calcId() {
    if(seed.hasAnnotation(XmlID.class)) {
        // check the type
        if(!nav().isSameType(getIndividualType(), nav().ref(String.class)))
            parent.builder.reportError(new IllegalAnnotationException(
                Messages.ID_MUST_BE_STRING.format(getName()), seed )
            );
        return ID.ID;
    } else
    if(seed.hasAnnotation(XmlIDREF.class)) {
        return ID.IDREF;
    } else {
        return ID.NONE;
    }
}