45 lines
1.1 KiB
Java
Executable File
45 lines
1.1 KiB
Java
Executable File
package com.ankurm.hibernatedemo.naturalid;
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import jakarta.persistence.Entity;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.Id;
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import org.hibernate.annotations.NaturalId;
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/**
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* {@code @NaturalId} with NO {@code mutable} attribute -- defaults to {@code mutable = false}
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* (immutable). Deliberately does NOT add {@code @Column(updatable = false)}, so if Hibernate
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* lets an UPDATE through at the SQL level, that is Hibernate's own natural-id immutability
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* enforcement failing to stop it, not a JPA column-level guard doing the stopping.
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*
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* <p>Docs: docs/06-natural-ids.md, Topic 3.
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*/
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@Entity
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public class ImmutableNaturalIdEntity {
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@Id
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@GeneratedValue
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private Long id;
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@NaturalId // mutable defaults to false
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private String code;
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public ImmutableNaturalIdEntity() {
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}
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public ImmutableNaturalIdEntity(String code) {
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this.code = code;
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}
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public Long getId() {
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return id;
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}
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public String getCode() {
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return code;
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}
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public void setCode(String code) {
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this.code = code;
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}
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}
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