[google-appengine] How to build one to one relationship using JPA?

[Partha]

I have two entity class, Tenant  and Contact. is it the right way? if
not can anyone share a sample.

@Entity
public class Tenant {

        @Version()
        private Long version;
        @Id
        @GeneratedValue(strategy = GenerationType.IDENTITY)
        private Long tenantId;

       @OneToOne(cascade=CascadeType.ALL)
        private Contact contact;
.......
}


@Entity
public class Contact {

        @Version
        private Long version;
        @Id
        @GeneratedValue(strategy = GenerationType.IDENTITY)
         private Long contactId;

.....
}





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