Java 类javax.persistence.MapKeyJoinColumns 实例源码

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 ) );
    }
}

public XAnnotation<?> createMapKeyJoinColumns(
        Collection<MapKeyJoinColumn> source) {
    return transform(
            MapKeyJoinColumns.class,
            javax.persistence.MapKeyJoinColumn.class,
            source,
            new Transformer<MapKeyJoinColumn, XAnnotation<javax.persistence.MapKeyJoinColumn>>() {
                public XAnnotation<javax.persistence.MapKeyJoinColumn> transform(
                        MapKeyJoinColumn input) {
                    return createMapKeyJoinColumn(input);
                }
            });
}

@OneToMany(mappedBy="portfolio",cascade = {CascadeType.ALL}, fetch = FetchType.EAGER, orphanRemoval=true)
@Fetch(FetchMode.SUBSELECT)
@MapKeyJoinColumns({
    @MapKeyJoinColumn(name="symbol",referencedColumnName="symbol"),
    @MapKeyJoinColumn(name="isin",referencedColumnName="isin")
})
public Map<Stock, PortfolioShare> getListShares() {
    return listShares;
}