AbstractPropertyHolder.java 文件源码

private void buildHierarchyColumnOverride(XClass element) {
    XClass current = element;
    Map<String, Column[]> columnOverride = new HashMap<String, Column[]>();
    Map<String, JoinColumn[]> joinColumnOverride = new HashMap<String, JoinColumn[]>();
    Map<String, JoinTable> joinTableOverride = new HashMap<String, JoinTable>();
    while ( current != null && !mappings.getReflectionManager().toXClass( Object.class ).equals( current ) ) {
        if ( current.isAnnotationPresent( Entity.class ) || current.isAnnotationPresent( MappedSuperclass.class )
                || current.isAnnotationPresent( Embeddable.class ) ) {
            //FIXME is embeddable override?
            Map<String, Column[]> currentOverride = buildColumnOverride( current, getPath() );
            Map<String, JoinColumn[]> currentJoinOverride = buildJoinColumnOverride( current, getPath() );
            Map<String, JoinTable> currentJoinTableOverride = buildJoinTableOverride( current, getPath() );
            currentOverride.putAll( columnOverride ); //subclasses have precedence over superclasses
            currentJoinOverride.putAll( joinColumnOverride ); //subclasses have precedence over superclasses
            currentJoinTableOverride.putAll( joinTableOverride ); //subclasses have precedence over superclasses
            columnOverride = currentOverride;
            joinColumnOverride = currentJoinOverride;
            joinTableOverride = currentJoinTableOverride;
        }
        current = current.getSuperclass();
    }

    holderColumnOverride = columnOverride.size() > 0 ? columnOverride : null;
    holderJoinColumnOverride = joinColumnOverride.size() > 0 ? joinColumnOverride : null;
    holderJoinTableOverride = joinTableOverride.size() > 0 ? joinTableOverride : null;
}