AbstractPropertyHolder.java 文件源码

/**
 * Get column overriding, property first, then parent, then holder
 */
private JoinColumn[] getExactOverriddenJoinColumn(String propertyName) {
    JoinColumn[] override = null;
    if ( parent != null ) {
        override = parent.getExactOverriddenJoinColumn( propertyName );
    }
    if ( override == null && currentPropertyJoinColumnOverride != null ) {
        override = currentPropertyJoinColumnOverride.get( propertyName );
    }
    if ( override == null && holderJoinColumnOverride != null ) {
        override = holderJoinColumnOverride.get( propertyName );
    }
    return override;
}