In order to use optimistic locking, hibernate recommends that you use an
integer version annotated with @Version on your entity.
@Entity
public class Person implements Serializable {
@Column
private String name;
@Version
@Column
private Integer version;
// getters and setters
}
Then you can submit the version as a hidden element on your form and
hibernate will throw an exception if the versions don't match.
<t:form>
<t:textfield t:value="person.name" />
<t:hidden t:value="person.value" />
<t:submit />
</t:form>
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