Hi all,
I have this situation:
2 entities, country and state
country has code and name as fields, code is PK
state has code, name and country_code (linked to country code field) as fields,
code is PK and country_code should too.
| @Entity @Table(name="country")
| class Country implements Serializable{
| @Id @Column(name="code",length=2)
| private String code;
| @Column(name="name",length=50)
| private String name;
|
| //setters and getters here
| }
|
then
| @Entity @Table(name="state")
| class State implements Serializable{
| @Id @Column(name="code",length=2)
| private String state;
| @Column(length=50)
| private String name;
| @ManyToOne
| @JoinColumn(name = "countryCode", nullable = false)
| private Country country; //<-- should be PK too!!!
| //setters and getters here
| }
|
Can someone help me to understand this?
Thank you all in advance
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