public annotation OneToOne(
mappedBy as String = "",
fetch as FetchType = FetchType.EAGER,
optional as Boolean = true,
cascade as IList<CascadeType> = [],
orphanRemoval as Boolean = false
)

@OneToOne(
    fetch=FetchType.LAZY,
    cascade=[CascadeType.PERSIST, CascadeType.MERGE],
    orphanRemoval=true
)
public property profile as CustomerProfile