ColumnsBuilder.java 文件源码

Ejb3JoinColumn[] buildDefaultJoinColumnsForXToOne(XProperty property, PropertyData inferredData) {
    Ejb3JoinColumn[] joinColumns;
    JoinTable joinTableAnn = propertyHolder.getJoinTable( property );
    if ( joinTableAnn != null ) {
        joinColumns = Ejb3JoinColumn.buildJoinColumns(
                joinTableAnn.inverseJoinColumns(), null, entityBinder.getSecondaryTables(),
                propertyHolder, inferredData.getPropertyName(), mappings
        );
        if ( StringHelper.isEmpty( joinTableAnn.name() ) ) {
            throw new AnnotationException(
                    "JoinTable.name() on a @ToOne association has to be explicit: "
                            + BinderHelper.getPath( propertyHolder, inferredData )
            );
        }
    }
    else {
        OneToOne oneToOneAnn = property.getAnnotation( OneToOne.class );
        String mappedBy = oneToOneAnn != null ?
                oneToOneAnn.mappedBy() :
                null;
        joinColumns = Ejb3JoinColumn.buildJoinColumns(
                null,
                mappedBy, entityBinder.getSecondaryTables(),
                propertyHolder, inferredData.getPropertyName(), mappings
        );
    }
    return joinColumns;
}