package misc.migration.v1_0; import javax.persistence.Entity; import javax.persistence.Id; import javax.persistence.ManyToOne; import javax.persistence.Table; @Entity @Table(name = "drop_ref_one") public class DropRefOne { @Id Integer id; @ManyToOne(cascade = {}) DropMain parent; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public DropMain getParent() { return parent; } public void setParent(DropMain parent) { this.parent = parent; } }