JPAOverriddenAnnotationReader.java 文件源码

private void buildMapKeyJoinColumns(List<Annotation> annotationList, Element element) {
    MapKeyJoinColumn[] joinColumns = getMapKeyJoinColumns( element );
    if ( joinColumns.length > 0 ) {
        AnnotationDescriptor ad = new AnnotationDescriptor( MapKeyJoinColumns.class );
        ad.setValue( "value", joinColumns );
        annotationList.add( AnnotationFactory.create( ad ) );
    }
}