onotoone一对一主键关联，懒加载

@Cascade({org.hibernate.annotations.CascadeType.ALL})    @OneToOne(orphanRemoval=true, fetch = FetchType.LAZY, mappedBy = "oldCadre",optional = false)    private DeathInfoEntity death ;

    private static final long serialVersionUID = 4219381763005008712L;    private String cadreId;    @Id      @GenericGenerator(name = "pkGenerator", strategy = "foreign", parameters = @Parameter(name = "property", value = "oldCadre"))      @GeneratedValue(generator = "pkGenerator")      @Column(name = "cadre_id", unique = true, nullable = true)      public String getCadreId() {        return cadreId;    }``

@OneToOne(fetch = FetchType.LAZY, cascade = CascadeType.ALL, optional = false)
@PrimaryKeyJoinColumn
public OldCadreRecordEntity getOldCadre() {
return oldCadre;
}

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