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import javax.inject.Inject; import javax.persistence.Id; import javax.persistence.Column; import javax.validation.constraints.Max; public class OnXExample { private long unid; @Inject public OnXExample(long unid) { this.unid = unid; } @Id @Column(name="unique-id") public long getUnid() { return unid; } public void setUnid(@Max(10000) long unid) { this.unid = unid; } }